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station 7

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Mole is a unit we use to count in chemistry

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Molar mass is the atomic masses of each element

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A combustion reaction is when a product has carbon dioxide and water. Then creates a reaction that comes out to be Combustion.

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Mole is a way to count in chemistry

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A decomposition reaction is when 1 compound is broken into 2 separate compounds.

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sup its me your favorite carbon atom, I'm here to tell you about my journey. One day i was relaxing in some fossil fuels when i was transferred to the atmosphere when those disgusting humans pumped fuel into me in order to power their cars. Once i got to the atmosphere i realized that my CO2 was moving all over the place so i was able to relax for a bit. Eventually while i was in the atmosphere i dissolved into the ocean or if you wanna be fancy then you can call it the hydrosphere because of weird process called gas exchange. Luckily i got to stay in the ocean for a little while and explore, but then an organism in the water inhaled me! Like literally! I was then inside of an animal which can be classified as the biosphere which is where i lived the rest of my happy life

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1) count the number of atoms on both sides of the equation
2) use coefficients to balance equation
- only add coefficients
3) check both sides are equal
*coefficients multiple with subscripts
lena truong period 7

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6.022x10^23 is avogadro’s number. it’s the number of molecules/particles/ atoms in a mole.
-lena t, period 7

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1. Write the equation
2. Separate each element with the number of how many there are
3.

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bella - first you multiply the oxygen on both sides so that theyre both six. then you take iron and multiply it by two on the left so its equal w oxygen. and multiply both carbons by 3 so theyre equal on both sides

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bella - first you multiply the oxygen on both sides so that theyre both six. then you take iron and multiply it by two on the left so its equal w oxygen. and multiply both carbons by 3 so theyre equal on both sides

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Combustion reaction- a reaction that involves oxygen which generates heat & light

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Mole- I would say a definition of it or in my words I would say it’s a very small atom

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Something that makes change in a reaction

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a chemical reaction is when 2 reactants combine to make a product

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its a process that leads to the chemical transformation of one set of chemical substances to another.

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When reactants come together in a type of reaction and make a compound product - Miriam C. period 3

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a chemical reaction involving oxygen that generates heat and light

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avogadro's #
6.022x10 ^23

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Combination - 2 atoms become 1 compound

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By me Brian hehe

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Alliyah and Isis

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Single Replacement - Fe2O3 + C -> Fe + CO
Breakdown the elements and count atoms:
Fe = 2   O = 3  C = 1
Fe = 1  O = 2  C = 1
Then try to balance the atoms to find your coefficients:
Fe = 2 * 2 = 4  O = 3*2 =6  C = 1*3=3
Fe = 1*4 = 4  O = 2*3=6  C = 1*3 = 3
Number your coeficients based on your balances:
2Fe2 O3 3C --> 4Fe + 3CO2
You find the coefficients by finding the balances and distributing the other coefficients that you find then multiply the number of atoms you are given

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Avogadro's number is a number that helps us determine what a mole is. The formula to find one mole is 6.022 x 10^25 atoms which is just a way to help us count since the number would be large

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Chemical reactions occur when chemical bonds between atoms are formed or broken. - kim a

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Mole- A way to count in chemistry.

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Decomposistion Reaction -n Velicia and Medline

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Decomposistion Reaction -n Velicia and Medline

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Decomposition reaction is when 1 compound breaks up into two sepreate compounds

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1) Compare amount of atoms of Oxygen on both sides
2) Balance Oxygen
3) Count number of Iron on both Sides
4) Balance Iron
5) Count number of Carbon on Right
6) Balance Carbon

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is a substance that is changed when it is combined with another substance in a chemical reaction

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JORDAYNE ISAAC

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Products: The end result of a chemical equation.

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Scientific Notation allows us to express very large or small numbers. Its typically expressed as e x or 10^x

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The avogrados number is a number used to find atoms in a chemical or element

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Mole - Another way to count in chemistry.

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Combustion Reaction:
when a substance reacts with oxygen and releases heat and light

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1. Count the # of atoms on both sides of the arrow
2. Balance FE
3. Balance O
4. Count the # of C Atoms on the right
5. Balance them on the left
6 Check Both sides are balanced.

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Products- are things formed/the product of a chemical reaction. Also are the products of the reactants in a chemical reaction.

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Law of conservation of Mass- Mass cannot be created or destroyed but it can be rearranged.

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Combustion is when the product is carbon dioxide and water.

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Single Replacement Reaction: When one atom switches places with another

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Molar Mass: the atomic masses of each element added up

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Chemical Reaction
A chemical reaction is a process that results in the transformation of one or more substances into new substances with different chemical and physical properties.

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combination reaction: 2 atoms become one compound.

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Combination reaction: when 2 atoms become 1 compound

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It is the mass of a m ole in a substance.

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A mole is a counting number. -Melanie & Mayreni

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Vocab Word Dimensional Analysis - Daniela O & Serenity S

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Vocab Word Dimensional Analysis - Daniela O & Serenity S

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Dimensional analysis is a way of converting in chemistry. You make a T-chart, on the top left you put what is given. On the top right is what you're solving for. And lastly, the bottom right is what you're converting. Nothing goes on the bottom left.

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1. Count number of atoms
2. Balance oxygen and add coefficient
3. then balance iron
4. lastly, balance carbon
5.check if they are balanced

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Two atoms swap places with another atom

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Combustion reaction- A chemical reaction involving oxygen that generates heat.

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Combination Reaction -Myjanniea Baptist 

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Combination Reaction -Myjanniea Baptist 

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When two atoms become 1 compound.

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Decomposition (Alejandra) when 1 compound become 2 atoms

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when one compound becomes 2 atoms (atoms separates)

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A reactant causes reactions .

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Thomas johnson and tamera brown molar mass is the amount of gram in one mole substance

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A combustion reaction is the product of carbon dioxide and water that generates heat and light

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Is when you are able to convert grams to moles to atoms. You then are able to mulitply the top and divide the bottom to get your conversion. The table is the ratios.

-Alfredo T., & Emily R.