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I observed that different water temperatures can act as a catalyst or hindrance.

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Observation
Diffusion started quite instantaneously in the glass of hot water, less rapidly in the glass of tap water and least rapidly in the glass of cold water. Approximately five (5) minutes into the experiment the solution in the glass of hot water was almost completely diffused, followed by the solution in the glass of tap water and the solution in the glass of cold water had the least amount of diffusion occurring. By the end of the experiment (10 minutes), the solution in the glass of hot water was completely and uniformly diffused and formed the colour purple; the solution in the glass of tap water was purple (at about the top half of the solution) but hints of blue and red were visible at the bottom of the glass; the solution in the glass of cold water had only just began to look purple on the surface but very little diffusion occurred below the surface of the solution.

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Within seconds, the colouring from the Hot began diffusing, into a nice light purple. The red and blue colour did not reach the bottom of the glass. Whereas the colour from the Cold and Tap remain separated and some reached the bottom of their glass.

2-3 min in- The Tap colours still remained separated but moved about the glass. The Cold colours showed streaks of blue, red, and purple, but more centralized from top to bottom of the glass. While the hot mix almost reached the bottom of the glass.

5-7 min in- The Tap seemed to keep the red and blue clours apart, but they we not as vibrant as before, they seem to be getting lighter/fading away. The Cold looked like diffusion progressed, you saw more purple emerging, but still centralized. The Hot entire glass was visibly a light purple.

9-10 min in- The Tap colours showed less red, and a lighter to clear blue showed, throughout the glass. The Cold showed more purple mix, with hints of blue, still centralized but fanned out more from the middle to the top of the glass. The Hot remain completely purple.

16 min after, however. The Hot remained a light purple. The Tap a light blue to clear, and The Cold a light purple but closer to the middle and top of the glass, you saw clear water at the bottom.

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I observed that in the hot water the food coloring diffuses through the water very quickly  and in the tap water it diffused less faster but in the cold water the food coloring diffuses the slowest.

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In this experiment I observed that the food colorings, had a different reaction to the different temperatures. Diffusion took place fastest in Hot Water, less faster in Tap Water and the slowest in Cold Water. Based on my observations from this experiment it is proven that, at higher temperatures molecules have more energy causing diffusion to occur faster.

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First Minute - I observed at the beginning of the ten minute time stamp that after simultaneously adding the red and blue coloring, the process of diffusion immediately commenced. The red and blue dyes added into the cup with hot water was the first to rapidly begin its process of diffusion.

Fifth Minute - At the five minute time stamp, the dyes in the cups filled with cold and room temperature tap water were still seen as mostly separate colours while the cup with the hot water was mostly combined.

Tenth Minute - At the end of the tenth minute time stamp, the cup most diffused was the cup filled with hot water while the dyes in the cup that contained room temperature water was mostly diffused but the colours were still separate. It was also observed that the cup filled with cold water, the dyes were barely evenly distributed and the separate colours were seen.

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In this chemical experiment, I observed that diffusion started occurring in the glass of heated water practically right away. The food colouring dispersed more rapidly in the glass of hot water than in the glasses of tap water and cold water.

The food colouring in the glass of tap water began to dissolve after about 3 minutes, but there was still some segregation and faint colouring at the bottom of the glass. There were noticeable amounts of colourants at the bottom of the glass of cold water, and the food colourants were still somewhat separated from one another.

After 6 minutes, I noted that the coloration in the heated glass of water had taken on a lilac-purple hue and was almost entirely dissolved. The tap water began transforming into a deeper purple, but there was still some division where the red and blue food colorings were still discernible. Despite the separation of the food colourants still being apparent, the cold water glass exhibited a slight purple hue.

This experiment's hot water glass uniformly diffused and acquired a lilac or lavender colour after ten minutes. Despite the presence of a few red and blue colorants, the tap water glass was nearly completely dissolved and purple in color, while the cold water glass gradually continued to change to a purple tint.

After 30 minutes, the glass of tap water had a mid-purple tint and no separations, whereas a dark purple tinge and virtually no partitioning could be seen in the cold water glass.

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I observed that when the food colorings was added into the different glasses of water it diffused at  different rates. It diffused  faster in warm water where as in tap water it diffused slower and   in cold water it diffused the slowest. In higher temperatures ,the particles have high energy and in lower temperature the particles have less energy.

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in this experiment I observe that different temperatures of water has different rates of diffusion and I observed the the hot water with food coloring diffused faster than the rest. The cold water and tap water diffused at approximately the same time.

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In this chemical experiment, I observed that diffusion happens at different rates based on the temperature of the water. The food colouring diffused the fastest in the hot water, less fast in tap water and the slowest in the cold water.

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HOT: I observed that the coloring diffuses the fastest in this glass.

TAP: I notice diffusion is also take place at a great speed in this glass but not as rapid as in the hot glass

COLD: This glass had the least diffusion going on

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Emmerson Springer

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Findings of the experiement:

.The yellow cap represented the room temperature water.
.The red cap represented the hot water.
.The blue cap represented the cold water.

The colors were first able to completely disperse in the hot water. It took about two minutes for the new color (purple) to completely appear.

At the 10 minute mark, the water in the room temperature glass was almost mixed, but there was still a clear indicator of the two colors in the glass of cold water.

The color in the room temperature glass mixed almost completely at around 15 minutes. The color in the cold glass took around 20 minutes to completely mix.

In this experiment we can determine that the higher temperature aids in the dispersal of the molecules, whereas at a lower temperature the molecules will take longer to bond with each other.

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Hi guys, sorry about the link I was trying to upload but keeps getting file too large.

In this experiment, I observed hot water diffuses the fastest instantly, with tap water also diffusing but not as fast as hot water. Finally, with cold water, it diffuses the slowest of all.

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Each observation recorded is done at 1-minute intervals. From this experiment I concluded that food coloring diffuses in different temperatures at different rates.

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In the experiment I observed Diffusion taking place. The purpose of this experiment is to show how temperature affects diffusion. As shown in the pictures, diffusion takes place almost immediately in the glass with the warm water; while in the glass with the cold water after the 10mins has elapsed the colorings still have not mixed together evenly. This is because when the temperature is increased the participles gain energy and move faster thus diffusion happens at a quicker rate. While, in the glasses with the tap and cold water, the particles slows down due to the drop in temperature and diffusion take longer to happen.

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In this experiment, I observed the following;

Hot : The blue and red dyes diffused quickly and almost completely by the 2 minute mark, leaving the water a deep purple colour. The hot water aided in a faster diffusion than the other two glasses.

Room Temperature : The blue and red dyes diffused quickly in the room temperature water, but less so than the hot water. It took a total of 5 minutes for complete diffusion to take place.

Cold : The blue and red dyes remained separate for quite some time and took a total of 8 minutes to diffuse. However the colours were still not entirely diffused even past the 10 minute mark. (I added ice to already cold water, so I believe that the water was too cold.)

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In this experiment i observed that the food coloring had different reaction to different temperature. In hot water diffusion took place the fastest, whereas with tap water it was slower and cold water the process was the slowest. My observation from this experiment, it is proven based on the temperature there is a higher reaction on molecules causing diffusion to occur faster.

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In this experiment, it shows evidence that diffusion happens at different rates. In a matter of seconds, the red and blue food colouring turned purple in hot water. The tap water showed evidence of diffusion in four minutes while the cold water diffused closer to the end of ten minutes. The video shows a clear example that different temperatures have an effect on the rate of diffusion.

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In this experiment I observed the rate of diffusion at different temperatures. In higher temperatures (hot water) , the particles have more kinetic energy than the other glasses which makes the dye distribute faster. In the tap water the dye diffused a little slower than the hot water, but faster than the cold water. In lower temperatures (cold water), the particles have small amounts of kinetic energy, causing the dye distribution to be much slower.

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I observed that the food coloring diffuses the fastest in the hot water as opposed to the tap and cold water. It took the longest to diffuse into the cold water.

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Welcome to my rec of recorded video on my first lab assignment. Above are three bottles consisting of hot water, cold water and pipe water.
I observe within 2 minutes the first bottle with hot water the solution was dissolved, while the second bottle of cold water the solution was still dissolving.On the other hand the third bottle that contain pipe water did not dissolve.
After 4to 10 mins the first bottle had completely dissolve with hot water, the second bottle with cold water had completely dissolve and the third bottle with pipe waterdid not completely dissolve.
All three bottles the solution was the colour purple.

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In this experiment the following observations were made:

COLD WATER- The red and blue dyes were separated and took a while to dissolve. In the cold water, the food coloring went to the bottom of the cup because cold water/air sinks; cold water has a higher density.

HOT WATER- The red and blue dyes started to mix immediately after adding the coloring. This is because, in hot water, the water molecules have more energy and are moving faster than the molecules of cold water.

TAP WATER- The red and blue dyes diffused faster than the cold water but slower than the hot water.

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In this experiment, I observed the rates of diffusion at different temperatures using glasses of hot, cold, and room-temperature water. This was tested by placing drops of red and blue food coloring in each of the glasses. I noticed that the rate of diffusion was the fastest in hot water when a deep purple color was obtained within seconds, whereas, in the other glasses diffusion was considerably slower and took a few minutes before the colors were well distributed. Although the room temperature water diffused slower than the hot water it was still much faster dispersed than in the cold water and also obtained a dark purple color, however I noticed that some of the color settled at the bottom. In the cold water, the colors took the longest to diffuse and there were still hints of red and blue food coloring until the last few minutes, and a noticeable amount of color was settled at the bottom of the glass. From this experiment, it can be concluded that temperature has a direct effect on the rate of diffusion.

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In this experiment I observed that diffusion took place fastest in hot water, whereas it took a bit slower in the tap water and then it took the longest in cold water.

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I observed that the hot water diffused into the glass the fastest. The warm water diffused within the 10 minutes but at a slower rate than the hot water. The cold water took longer than ten minutes to diffuse in the glass.

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I observed immediately after dropping the coloring in the hot water, it started mixing while the cold and tap water remained together. After about 3- 5 minutes the tap and cold water were still separated while the hot water glass were mostly diffused. At the end of the full 10 minutes the hot water cup was fully diffused or purple in color while the tap were almost completed mixed or slight purple and the cold water process was really slow, and still not diffused.

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In this experiment I observed the food colorings had different reactions to the ranges of temperatures            Hot water The coloring diffused the fastest , Cold water the coloring diffused the slowest, Tap water the coloring diffused at a great speed but not as quickly.This experiment shows an example of diffusion occurring at different rates with the effect of temperature.Heat causes molecules to move faster…An increased in Temperature increases the rate of diffusion.   - Sodonia Swanson

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In this experiment I observed the food colorings had different reactions to the ranges of temperatures            Hot water The coloring diffused the fastest , Cold water the coloring diffused the slowest, Tap water the coloring diffused at a great speed but not as quickly.This experiment shows an example of diffusion occurring at different rates with the effect of temperature.Heat causes molecules to move faster…An increased in Temperature increases the rate of diffusion.   - Sodonia Swanson

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Observations.
1 Min- In the tap water, the red and blue coloring did not diffuse immediately. In the cold water, it slowly diffused, and in the hot water, the drops diffused immediately.
2 mins- In the tap water, the blue color dominated the water, with very little red to be seen, in the cold water, the blue coloring drops still stayed in the middle of the mixture, while the red fill the surrounding space. The mixture had completely diffused and turned purple.
3 mins- The solution in the tap water began diffusing but the blue and red color is still visible, the cold water is still diffusing slowly, the blue colour is spreading more and the colour is turning to light purple, the hot water has been completely diffused.
4 mins- The tap water solution is dominated by the blue color with a hue of red, the cold water is now light pink/purple with the blue hue lingering in the middle. The hot water remains the same.
5 mins- The tap water is now blue at the top half of the solution and the bottom half is dark purple, the cold water is slowly turning to purple. The hot water remains the same.
6 mins- The tap water is completely blue, with very little to no red present, the cold water continues to diffuse slowly, the blue is slowly spreading, the colour is light purple with blue, the hot water remains the same.
7 mins- The tap water is still blue at the top half whilst the bottom is a dark purple colour, the cold water is now dark purple with a hhue of blue to the center, the hot water remains the same.
8 mins- The tap water is blue to the top and dark purple at the bottom, the cold water is dark purple with a little hue of blue, the hot water is very dark purple.
9 mins- The top half of the tap water is blue with purple hue swirling in, the bottom is dark purple, the cold water is dark purple with very little blue in it, the hot water remains dark purple.
10 mins- The tap water is blue at the top half and the bottom half is dark purple, the cold water has turned purple with a blue hue in the middle while the hot water remains completely purple.

15mins later, the tap water, the cold water and the hot water, were all diffused, the colour in all the cups were the same dark purple colour with no other colour lingering.

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I observed in this experiment that the different temperature of waters each had a differert rate of diffusion.
The food colour in the hot water diffused the fastest. The food colouring in the tap water it diffused at a slower rate than the hot water and the food colour in the cold water diffused the slowest.
From this experiment i can determine that diffusion takes place differently depending on temperature.

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In this experiment I observed that diffusion takes place faster in hot water. The rate of diffusion was a little bit quicker in the room temperature water than the cold water. The food coloring took the longest to diffuse in the cold water. In this experiment I have observed that temperature is a big factor in the rate of diffusion.

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Chemistry in a Glass.

During this experiment, I observed that the food coloring began diffusing throughout the hot water almost instantaneously, the solution turned purple in color in no time, whereas it was slower in dispersing in the tap water. In the cold glass of water however, it took a lot longer for the food colorings to diffuse completely, ten minutes in an hints of blue and red dye could be seen in the cold water, not yet fully purple. It could be seen that higher the water temperature, the faster the food coloring was able to dissolve in the water.

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In this experiment I observed that temperature affects the rate of diffusion. The red and blue dye diffused rather quickly in the hot water compared to the tap and cold water.

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Hi everyone,
I am lutric Griffith,
Welcome to my presentation, chemistry in a glass, my observations were as follows the fastest moving diffusion took place in the glass with the hot water, because in concentrations with higher temperature the particles absorb energy and move faster fro from points of high concentrations to lower concentrations until the entire area is equal in concentration.
Cold temperature cause slow or very little movement of particles and moderate in warm temperatures.
From this I gathered that the main factors influencing the speed or rate of complete concentration are temperature and concentration volume in this instance.

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In this experiment, I observed how quickly the rate of diffusion is at different temperatures. The food colouring diffused within seconds in the hot water, as seen in the first glass. The rate of diffusion was much slower in cold water, as seen in the second glass, and took 6 minutes to be completely dissolved. Lastly, the tap water, as seen in the third glass, diffused the second fastest.
My conclusion is that the higher the temperature, the greater the rate of diffusion.

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In this experiment I observed the rates of diffusion in different temperatures of water. i noticed that when the food colouring hit the  surface of the hot water it took about 1 minute to diffuse. The tap and cold water took longer to diffuse as expected. However surprisingly the cold water diffused faster than the tap leaving the tap to be last to diffuse.

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In this experiment, I observed that diffusion took less time to diffuse in the hot water as the colouring moved from a region of high concentration to a region of low concentration until evenly distributed as compared to the tap water which took a little longer than the hot water the cold water which took longer than the both. So as more heat is added the faster the diffusion process occurs and when heat is removed the longer the diffusion process takes to occur.

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One of the main observation is diffusion taking place where the food coloring is distributed at different rates because of the temperature of the water.

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I observed that the colouring diffused quicker in the hot water than on the tap water and cold water. This is due to the higher temperature level of the hot water which increases the kinetic energy. In contrast, the lower temperature water i.e. the tap water and cold water diffused at a slower rate due to the lower temperature level which caused there to be a lower kinetic energy level. In the cold water, for diffusion to completely occur, the water had to be stirred in order for all the particles to collide since the rate of diffusion was slowest in this water. Red and yellow dye was used in this experiment.

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In this experiment i observe that using the three types of water tap, cold and hot water, along with the red and blue colouring. It was seen at different temperature changes especially the hot water diffusion took place the fastest at 2mins. However, the tap water and  cold took the slowest. Based on my experiment it is proven that with increase temperatures molecules react more and diffusion takes place more rapidly.

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In this experiment I observed that diffusion occurs at different rates depending on temperature. In the hot water(left cup), diffusion occurred the fastest. In room temperature water (middle cup),diffusion occurred a bit slower than the hot water. In the cold water (right cup), diffusion occurred the slowest. So as the temperature increases, the particles obtain more energy and as the temperature decreases the particles obtain less energy so the red and blue coloring diffused slower.

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I observed that the colours diffused at different rates based on the temperatures they were placed in.

The fastest mixture occurred with the hot water, tuning completely purple after about a minute or two. While the slowest rate occurred with the cold water where it took the full length of time for the two colours to no longer appear distinguishable.

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Terry Paul:                                                         Separation in Science and Industry 

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Terry Paul:                                                         Separation in Science and Industry 

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Mixtures can be separated using methods that uses differences in physical properties to separate the components of a mixture either by filtration, distillation or chromatography.

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Separation Technique Assignment

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Separation Homework

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Chemistry in a glass experiment

After placing the food coloring in the hot water, it began diffusing faster than the coloring placed in the cold water and tap  water.
This occurred because molecules in hot water move faster and have more energy than that of cold or tap water; particles move faster at higher temperatures.
Food coloring placed in the tap water was diffused faster than the coloring placed in the cold water.

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Separation Methods Homework

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Separation Methods

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Separation Techniques

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Separation Methods

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CHEM090 Week 3 home work - Shyanne Bovell 

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Methods of Separation

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separation methods

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Separation Techniques.

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Filtration
filtration is used to separate liquid components from the solid components. The particles of the liquids are small enough to pass through the filter paper while those of solids are not. The solid left on the filter paper is called residue. The liquid that passes through is called Filtrate.

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Distillation
distillation can be used to purify a liquid from soluble solids. it can be used to separate different miscible liquids of different boiling points. For example a solution of salt was heated in a round bottom flask, the water boils first because it has a much lower boiling point than salt. The steam then goes into the condenser which has a lower temperature than the boiling water, the water is then collected in a flask , this is called the distillate. The salt remains in the round bottom flask, this is called the residue.

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Chromatography
paper chromatography is used to separate colored chemicals or substances. For example, the mixture of dyes in black ink or the different pigments in chlorophyll. A small drop of the mixture is placed on a strip of chromatography paper at the baseline. It is then dipped in a solvent like ethanol & H2O. The dye separates out based on their solubility in the solvent and their attraction to the paper. The dye separates out into its components forming chromatography.

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Filtration is used to separate an insoluble solid from a liquid. It is useful for separating sand from a mixture of sand and water or excess reactant from a solution. Filtration works because the filter paper has tiny holes or pores in it. The particles of the liquid are small enough to pass through the filter paper while those of solids are not. In this process we refer to the collected solid material as the residue AND the fluid the filtrate.

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Distillation is the method used for separating mixtures to change the phase of components of the mixture. To separate a mixture of liquids, the liquid can be heated to force components, which have different boiling points into the gas phase. In a distillation, a liquid is boiled in the distilling flask then the vapor travels to another section of the apparatus where they come into contact with a cool surface. The vapor condense on this cool surface and the condense liquid called the distillate drips into a separate flask from the original liquid. If distillation involves boiling a liquid then condensing the gas and collecting the liquid elsewhere.

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Chromatography is used to separate colored chemical or substances, which will travel through a material. The dissolved substances are separated based on their solubility in the solvent. The paper is then place in a healer containing a solvent ethanol, when the paper with due touches the solvent you will see the dye pigment traveling or moving that’s call chromatography.

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Filtration separates a mixture of a solid and a liquid where the solid does not dissolve in the liquid. The mixture is called a suspension

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Simple distillation is used to separate a solvent from a solution. It is useful for producing water from salt solution.

Simple distillation works because the dissolved solute has a much higher boiling point than the solvent. When the solution is heated, solvent vapour evaporates from the solution. The gas moves away and is cooled and condensed. The remaining solution becomes more concentrated in solute as the amount of solvent in it decreases.

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Paper chromatography is used to separate a mixture of different dissolved substances which will travel through a material.

The dissolved substances are separated based on their solubility in the solvent.

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CHEM090 Week 3 home work on separation in industry (3) new

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Vanessa Kennedy

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CHEM090 Week 3 on Separation in Industry

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CHEM090 Week 3 home work on separation in industry

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Methods of separation - Filtration

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Methods of separation - Distillation

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Methods of separation - Chromatography

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CHEM090 Week 3 home work on separation in industry

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Separation Technique

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Module 2: Week 3 Homework

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CHEM090 Week 3 home work on separation in industry

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Kristin Mark
00066992

Write ONE description of how EACH of the following separation methods is used in science and industry. Include a picture of each separation method.

1. Filtration

filtration: is a separation technique used to separate the components of a mixture containing an undissolved solid in a liquid by using a funnel lined with filter paper to retain the solids while letting the liquid through.

2. Distillation

Distillation is a physical separation based on the vaporisation of the different components of the mixture to be separated. Typically, a mixture is heated, vapors are produced, separated, and then condensed back into a liquid. As a result, each component can be separately recuperated in different fractions.

3. Chromatography

Chromatography is based on the principle where molecules in mixture applied onto the surface or into the solid, and fluid stationary phase (stable phase) is separating from each other while moving with the aid of a mobile phase.

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Filtration

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Week 3 homework

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Filtration:
Industrial filtration involves the removal of contaminating particles from air and other gases. Many industrial processes require air filtration and separation systems not only to protect equipment, but to also protect the work environment. (SOLBERG, 2022)

The mixtures are of two main types: homogeneous mixtures is uniform throughout and heterogeneous mixtures are not uniform throughout (ingredients are distributed unequally). Air is a homogeneous mixture of different gases, including oxygen, nitrogen, carbon dioxide, and water vapor. Concrete is a heterogeneous mixture of cement, aggregates, sand and water. (BYJU'S, 2023)

Filtration is used in water treatment and sewage treatment plants. Looking at the water treatment plant, on an industrial level during filtration, the clear water passes through filters that have different pore sizes and are made of different materials (such as sand, gravel, and charcoal). These filters remove dissolved particles and germs, such as dust, chemicals, parasites, bacteria, and viruses. Activated carbon filters also remove any bad odors. (CDC, 2022)

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DISTILLATION:
Distillation is used in the industry for a variety of purposes, including oil refining, water purification, and the creation of alcoholic beverages, to extract desirable pure chemicals from an original source, depending on their boiling points. Chemicals with variable boiling points, such as gasoline, diesel, and jet fuel, boil at various temperatures. Separating mixed input streams into their own unique products is done using distillation columns.  (ALAQUE, 2023)

To separate a mixture of liquids, the liquid can be heated to force components, which have different boiling points, into the gas phase. The gas is then condensed back into liquid form and collected. Repeating the process on the collected liquid to improve the purity of the product is called double distillation. Although the term is most commonly applied to liquids, the reverse process can be used to separate gases by liquefying components using changes in temperature and/or pressure.

A plant that performs distillation is called a distillery. The apparatus used to perform distillation is called a still.  (Anne Marie Helmenstine, 2020)

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Chromatography:
Chromatography plays a vital role in the chemical industry for the testing of water samples for purity or used as a technique to purify something from a mixture. The testing of air samples for their purity is also accomplished by chromatographic techniques in the chemical industry.  (BYJU'S, 2023)

Chromatography is vital for any chemical research, because a chemical reaction rarely gives us 100 % pure product; we usually get some side-products, and some unreacted starting material that we need to separate from our desired product.

Pharmaceutical companies use chromatography both to prepare large quantities of extremely pure materials, and also to analyze the purified compounds for trace contaminants. Chromatography is used for quality control in the food industry, by separating and analyzing additives and proteins.  (ChemBAM, n.d.)

Like in CSI and Law and Order, forensic testing utilizes chromatography in the form of crime scene testing (the analysis of blood or cloth samples), arson verification (identifying the chemicals responsible for a fire to see whether there was foul play) or blood testing after death to determine levels of alcohol, drugs or poisonous substances in the body.  (Chromatography Today, 2014)