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1. A chemical reaction is when atoms change into different substances.
2. exo. is a chemical rxn that releases heat and creates a new element
3. The conservation is not destroyed or created so that means that the equations have to be balanced.
4.

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so whos dick yall suckin tm

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so whos dick you guys suckkin tomorrow

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Period 2
Genesis Marcial
For our lab we had to put baking soda and vinegar together. Our hypothesis was the more baking soda, the bigger the reaction will be between vinegar and baking soda.It came out to be correct vinegar and baking soda had to break some atoms so new one can be changed

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Period:2
Genesis Marcial
The connection between conservation of Mass and balancing equations is since mass can never be created or destroyed, your equation must be balanced.

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period: 2
Name: abby perez
1. a chemical reaction is when atoms change into different substances .
2. An exothermic reaction is when it absorbs heat .
3.Conservation of mass says matter is never created or destroyed .
4. on Monday we saw a chemical reaction with vinegar and baking soda

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1. A chemical reaction describes the affect in the reaction, the arrows indicate the changing in the equation.
2. Exothermic is when it released energy, the products have less energy than reactants. Endothermic asorbes energy, and products have more energy than reactants.
3. You need conversation of mass for balancing matter because it cannot be created or destroyed, and that's what you need in a chemical reaction.
4. We saw the two chemicals sodium bicarbonate and acetic acid changed into a product.

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Period:2
Genesis Marcial
A endothermic reaction requires activation energy,energy being released, and products have more energy than reactants. Exothermic reaction also needs activation energy, energy is also released, and products have less energy than reactants.

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period 2

1. a chemical reaction is  two atoms going together and making a reaction

2. an endothermic reaction is when energy is absorbed and an exothermic reaction is  when energy is released

3. conversation of mass means matter cant be destroyed or created. balancing equations is when  you make both sides even

4

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Chapter 6
Name ; Fanny Velasquez
1. A chemical reaction is when atoms change into different substances.
2. Exothermic is a chemical reaction which has negative energy,
Endothermic is more of a positive energy.
3.

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b

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1. A chemical reaction is when atoms change into different substances.
2.Exothermic is a reaction that releases energy by light or heat . Endothermic is requiring the absorption of heat.
3.conservation of mass cant be destroyed or created so it has to be balanced.
4. for our lab on monday we had to combine sodium bicarbonate and acetic acid , chemical bonds break and form new ones.

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1.) Chemical Reaction is when things change into different other substances. 2.) Exothermic is when energy is released and products have less energy than reactants while Endothermic is when energy is absorbed and products have more energy than reactants.         3.) Conservation of mass and Balancing equations are similar because you can't take away anything or in other words destroy.   4.) So in the lab as we predicted that if we increased the amount of baking soda that the Bubbles were also increasing it's length which was correct because after we repeated the lab and increased the amount of baking soda then we had graph are results and sure enough our hypothesis was correct because when we had graphed we saw the length of bubbles increased

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1. A chemical reaction is when an atom or a group of atoms change into different  substances.
2.Both endothermic and exothermic reactions require activation energy,But Endothermic absorbs energy and has more and in exothermic energy is released and has less energy
3.

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jasmin casaneda

1. A chemical reaction is atoms turning in to different substances.
2. exothermic  reaction is a chemical reaction where energy is released and products  have less energy than reactants
3. endothermic reaction is absorbed energy  and products have more energy than reactants.
4.In Mondays lab m group and i

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Name :Eileen Guevara
1.A chemical reaction is when atoms change into other substances.
2.  An exothermic reaction releases heat , while endothermic absorbs heat and cools surroundings.
3.

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p.2

1. a chemical reaction is when bonds groups together and create a new element
2. exo: releases heat and creates activation energy endo: absorbs heat
3. same number of atoms in each element to be stable
4. ik the bubbles would die off after some time because you can't always expect it to last

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Period 2
1. Chemical Reaction is a reaction with elements with only two or more.
2. Exothermic is energy that releases and the products have less energy. Endothermic is energy that is absorbed and the products have more than the reactant.
3.  The Conservation of  mass and balancing equations is that Conservation matter is no t destroyed or either created. This is having to balance out chemical equations.
4. In Monday's lab my group had to combine both sodium and Bicarbonate and Acetic Acid . Which had a chemical reaction had happen, and formed into a substance called carbon dioxide. Our data showed every time we had a table spoon if would rise higher and higher in Cm.

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Edith Perez
1. A chemical reaction is when atoms change into different substances.
2.Exothermic reaction is a chemical reaction that releases energy by light or heat. Endothermic reaction is when it absorbs heat.
3.The connection between conservation mass and balancing is  there must be the same number of atoms of each element on each side of a chemical equation.
4. The chemical reaction that happened on Mondays Lab was when we added vinegar to the baking soda it made all the chemical s make it bubbly

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PERIOD - 2
1. A chemical reaction is the process by which atoms or groups are changed into different substances.
2.Endothermic reaction requires a lot of energy, the energy is absorbed. In an Exothermic reaction energy is released and products have less energy than reactants.
3. The Conservation Mass cannot be destroyed or created, it has to remain balanced.
4. On Monday's lab the reactant was the Vinegar to the Baking Soda. When the baking soda and vinegar met it made the bubbles rise and different lengths depending how much vinegar was added. My hypothesis was correct because I knew that there would be a high outcome.The lab was also able to work because they each released atoms.This released the Carbon
Dioxide.

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Period:2
Genesis Marcial
A chemical reaction is when atoms or groups change into different substances

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1.)  a chemical reaction is when a atom or groups  of atoms are being changed .
2.) an exothermic is when the product has less energy than the reactants, it is being released  . endothermic is when energy is absorbed during a reaction , products having more energy than reactants .
3 .) in the conservation of mass mater can never be created or destroyed , making the chemical equation to be balanced .
4 . ) on Mondays lab we combined sodium and acetic acid , the chemical bonds break and would form a new product ( carbon dioxide )

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Period: 2
Name: Ruby Cortez
1.   A chemical reaction is when atoms get changed into different substances.
2.  The reaction of an exothermic is when the energy gets released and it has less products. The endothermic reaction is when it absorbed and have more energy.
3. The conservation of mass is never created or destroyed, meaning equations should be balanced.
4. What happened on Monday's lab the once the vinegar was put in the cup of baking soda it created bubbles and created carbon dioxide.

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Period:2
Name: Sandra Salazar

1) A chemical reaction is when atoms change into different substances.
2)An exothermic is when it releases heat and an endothermic absorbs heat
3) In the Conservation of mass matter is never destroyed or created that is why it needs to be balanced
4)In Monday's lab we saw that when we put the vinegar on the making soda it started to bubble up.

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1.  A chemical reaction is a reaction between two or more elements, that change into other substances, when they are put together. The molecular or ionic structure is rearranged.

2. An endothermic reaction requires activation energy; energy is absorbed; more energy is needed to make the reaction start, than is released, and an exothermic reaction requires activation energy; more energy is released, than needed to start; products have less energy than reactants

3. Matter is never created or destroyed, which means equations must balance, because atoms can’t be created or destroyed randomly. They are just there.

4. Baking soda and vinegar react with each other because they exchange atoms. They exchange a proton. In this reaction, baking soda acts as a base, and takes a proton from vinegar, which is an acid. The reaction releases gas because when the baking soda receives the proton, it transforms into water and carbon dioxide. When they mix, gas (bubbles) are created. The more baking soda and vinegar, the more bubbles (gas).

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melissa piotrowski

1.A chemical reaction is a process where atoms or groups of atoms are being changed
2.A exothermic when energy is released and have less energy then reactant.Endothermic is when energy is absorbed and products have more energy then reactants.
3.Matter is never

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period 2
Valeria Gallo

1. A chemical reaction is the process by which atoms or groups of atoms are changed into different substances.

2. Exothermic releases in the for of heat and endothermic energy is absorbed heat.

3. In conservation of mass matter is never created nor destroyed this is why equations must be balanced.

4. In the lab we saw that when you put sodium bicarbonate and acetic acid the chemical bonds break and form new products like carbon dioxide, water, sodium ion and acetate. So when you mix the reactants together you also lost and electron which made Na become positive.

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Period: 2
Name: GISSELLE PEREZ
1. a chemical reaction is when it changes into a different substance
2. an exothermic reaction is when it releases heat and endothermic absorbs it.
3.Conservation of mass means matter is into balanced equations
4. In Monday's lab i created a hypothesis that it was gonna bubble up mixing the vinegar and baking soda into the plastic cup, I also realized that the cup began to become more fragile. The reactants were it bubbling up and the product is the fizzling water/ soda type esque.

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Period:2

1) A chemical reaction is when the atoms in a substance change  and make a new substance.
2) An exothermic reaction is when energy is absorbed and the products have more energy than reactants. An endothermic reaction is when energy is released and has less energy than the reactants.
3)Conservation of mass and balancing equations are alike since in conservation of energy energy can't be created or destroyed. which causes us to have to balance out equations
4)On Mondays lab we combined sodium Bicarbonate and acetic acid and predicted that a chemical reaction would occur. We were correct since new substances were formed such as carbon dioxide. our data supported us by showing how ever time we added baking soda more carbon dioxide was produced.

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Chapter 6 Padlet 1 Period:2         Samantha Graham

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Chapter 6 Padlet 1 Period:2         Samantha Graham

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1) A chemical reaction has atoms and the atoms are changed into different things.
2) Both endothermic and exothermic reactions require an activation energy. But in exothermic energy is released and products have less energy than reactants. While in endothermic energy is absorbed and products have more energy than reactants.
3) In the conservation of mass it says that mass can not be created or destroyed so because of that it has to be balanced.
4) The lab that we did on Monday we saw that when we put baking soda and vinegar together it rises up. The more baking soda you add the more it rises.

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Period: 2
Name: Katie Dietrich
1. A chemical reaction is when atoms  or a group of atoms change into different substances.
2. An exothermic reaction is when it releases heat. An endothermic reaction is when it absorbs heat.
3. Conservation of mass says matter in never created nor destroyed and because of this you must have balanced equations.
4. In Monday's lab we saw the reactants, sodium bicarbonate and acetic acid, be changed into the products, carbon dioxide, water, sodium ion, and acetate; this happened because the reactant's bonds were broken so they could change. My hypothesis was that it would release carbon dioxide and it ended up being correct. I knew it was correct because the bubbles that were caused by the chemical reaction was carbon dioxide.

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I EAT PUSSY

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Period: 2

1. A chemical reaction is a process when atoms change into different substances.
2. An exothermic reaction has energy released and the products have less energy than the reactants.An endothermic reaction has energy that is absorbed and the products have more energy than the reactants.
3. Conservation of mass is when matter is neither created or destroyed that means that the equations must balance.
4. On Monday's lab we had made the hypothesis that the baking soda and vinegar will rise every time more baking soda was added and the outcome proved our hypothesis right. The product fizzed up more and more as more baking soda was added each time.

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Marlene Gomez period 2
1. A chemical reaction is  when atoms or a group of atoms are changed  into a different substance
2. Endothermic and Exothermic reaction need activation energy. Endothermic reaction absorbs more energy and the products have more energy than reactants. Exothermic reaction is when energy is released and the products have less energy than the reactants
3. Conservation mass and balancing equations have a connection because in the conservation of mass it states that there has to be the same number of atoms of each element on each side of an equation
4.On Monday during the lab we saw that when you combine Sodium Bicarbonate and acetic acid, chemical bonds break and form new products, like carbon dioxide (the bubbles), water, sodium ion and acetate.

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hate this class

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Alex Rubio
Period.2
1.A chemical reaction is when atoms become negative or positive when they give give or take electrons.also when atoms are changed into different substances.
2.exothermic is the energy released during a chemical reaction. the products have less energy than the reactants.
endothermic is energy is absorbed during a reaction and products have more energy than reactants.
3.conservation of mass means than matter can never be created or destroyed so the chemical equation must be balanced.
4.Mondays lab was mixing sodium bicarbonate(baking soda)with acetic acid(vinegar) each test we did we added another table spoon of vinegar our hypothesis was that each time we added more the releasing of carbon dioxide would increase and we were right the more vinegar we added the more carbon dioxide was released. our data did support our hypothesis because we suggested how many trials we would do and how much we would add.

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whats up peeps

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Period ______
Name ___________________________

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Use your notes and assignments from Ch. 6 to do the following:

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Use your notes and assignments from Ch. 6 to do the following:

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1. In your own words, explain what a chemical rxn is and how you know.
2. In your own words, describe an exothermic vs an endothermic reaction.
3. Explain the connection between conservation of mass and balancing equations.
4. Explain the chemical reaction in Monday's lab with regard to reactants and products, your hypothesis, and outcome; and how you knew whether or not your data supported your hypothesis.