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jesus hernandez
1) a chemical rwaction is wehen chemicals bond to make substance.
2)a exothermic raction is when energy is relesed by a source of heat or light.
3)its important to  balance equations because because it fills up all the shells wich stables atoms.
4)the

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Elyssa Terrazas
1 .A chemical reaction is when the reactants form in compunds .
2. Exothermic is engery released and endothermic is adorbed
3. they need to be balanced  atoms  levels to be stable .
4. The lab on monday i observed that when we added a tsp of baking soda with vinegar the bubbles would rise up and this created carbon dioxide and soduim .

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RILeslie Mendoza
1)  A chemical reaction is when chemicals combine to make new substances
2)  An exothermic reaction is when energy is released by and source of heat or light and an endothermic reaction is when energy is being absorbed.
3) It's important to balance out chemical equations because it fills up all the shells which makes the atom stable .
4) The lab on Monday our reactants where sodium bicarbonate and vinegar which made our product carbon dioxide. Our hypothesies was that every time we added a tablespoon of vinegar the bubbles would increase a rise and we we're correct from our onversations .

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Evany Marquez
1) A chemical reaction is when reactants form into new compounds.
2)  An exothermic reaction is when energy is released by heat or light. An endothermic reaction is when energy is absorbed.
3) The reason chemical equations need to be balance is so the compounds and atoms levels are filled up or else its an unstable atom.
4) The chemical reaction in our lab on Monday was the reactants Sodium Bicarbonate, and acetic acid (Vinegar) bonded to create new compounds such as Carbon dioxide , water, sodium ion, and acetate. Our hypothesis was that the rise in bubbles would go up every time we added a tsp of baking soda. our hypothesis was correct because when we graphed our data the graph was increasing eat time we added a tsp.

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cerena gonzalez 1 a chemical reaction when 2 chemical are combine. 2) exothermic reaction is when energy is released a endothermic reaction energy is absorbed. 3) they need to be balanced  so the atoms levels are filled up to be stable.4) was not here

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Krystal Rodriguez
1.) A Chemical Reaction is when two chemicals combine to make a new substance.
2.) An exothermic reaction is when energy gets released by heat or light. An endothermic reaction is when energy get absorbed
3.) They need to be balanced for the atoms levels to stay stable.
4.) The lab we did on Monday was the react

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Angelica DeHaro
1 . A Chemical reaction is when 2 chemical make a new substance
2.  exothermic reaction is when energy gets released  .
3. They have to be balanced because the atoms will be unstable
4 Absent

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Miriam Contreras
1) a chemical reaction is when reactants form to make a new substance
2)an exothermic reaction is when energy is released and endothermic is when energy is absorbed
3)chemical equations need to be balanced so that compounds and atoms don't become unstable
4)the lab on Monday was reactants baking soda and vinegar bonding together to create new compounds my hypothesis was that the bubbles would keeping rising every time we add more baking soda it was right because on the graph it showed it was increasing with each added tsp of baking soda

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Richard Gonzalez
1.A chemical reaction is when two chemicals combine to create a new substance

2. An exothermic reaction releases energy and an endothermic reaction absorbs energy.

3. The connection

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Alyssa Villanueva
1)  its when 2 chemicals combine to make a new substance
2) exothermic is when it releases energy endothermic is when energy is absorbed
3) because the compound and atoms have to be the same or else the atom wont be stable
4)our lab Monday showed how baking soda and vinegar made new compounds from combining with each other. My hypothesis was that bubble would keep going up every time we added more baking soda, it wasn't right because when we put three scoops it was not as high as the others.

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Justin Morris
1.) a chemical reaction is something that happens when you combine 2 or more chemicals.
2.) An Exothermic reaction is when energy is released with heat or light.
3.)Chemical Equation need to be balanced.
4.) when we added baking soda and vinegar it started to bubble up that was the chemical reaction.

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Alvin Camacho
1.)a chemical reaction is when atoms are changed into different things
2.)An exothermic reaction is when energy is realeased  with heat or with light and endothermic reaction is when energy is absorbed during time
3.)The reason why chemical equations need to balance if they are not balanced then it will be unstable
4.)The chemical reaction we did on monday was the reactants Sodium bicarbonate, and acetic acid otherwise known as Vinegar

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Jose Coyote
1. A Chemical Reaction is when Atoms or groups of substances are into different substance.
2. Exothermic is formed from its constituent elements with a net net release of heat
3.If they are not balanced they wont be stable
4.Mixing baking soda and vinegar caused it to bubble and rise.

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swantusch,jeremy
1.a chemical reaction is a reaction when two or more chemicals combine  and make something new. 2.an exothermic reaction is a reaction that releases energy while an endothermic reaction absorbs energy. 3.mass can never be lost or gained just changed. 4. absent.

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Dallas Jeffcoat
1.a chemical reaction is when something changes by cemicals .

2.an exothermic reaction is when energy is released endothermic is when energy combines.

3.the reason chemical equations need to balance is so that they will be stable.

4.on monday in the lab the chemicals reacted by fizzing up .

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Prillwitz Justin

1) A chemical reaction is when you create a different substance
2) An exothermic reaction is when light or heat is released, An endothermic reaction takes in heat or light unlike exothermic which releases it
3) They must be balanced because mass cant be destroyed nor created
4) In our lab on Monday I predicted that the bubbles were going to overflow but the bubbles only went up a couple centimeters each scoop

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Brandon Almeida
1.A chemical reaction is when 2 or more elements combine to create a new substance
2. An exothermic is when reaction is when energy is released such as heat. Endothermic reactions absorb energy
3. The conservation of mass is a prinicple that there alway has to be the same # of atons on both sides of the equation
4.Our lab on Monday consisted of Baking Soda and Vinegar that when combined led to an exothermic reaction when fizzing. Our hypothesis was either it would fiz or break down inside the vinegar. Everytime we added baking soda we added a tsp. Whe ln graphing our results on our graph, the results always increased on the size or height of the bubbling every time we added baking

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reina wooten
1.a chemical reaction is when you combine two or more chemicals that change into a new substance
2. exothermic reaction releases heat while endothermic absorbs heat and cool down the surroundings
3. chemical equations need to be balanced so the compounds and the atoms are filled in order for it to be stable
4. the lab we had on monday showed a chemical reaction with vinegar (acetic acid) and sodium bicarbonate bounded to make carbon dioxide, water, sodium ion, and acetate. our hypotheses was that the bubbles would rise more everytime we added a tablesoon of baking soda the hypothesis is correct because on the graph it shows it going up every added tablespoon

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Isaac Cazares
1. A chemical reaction is when 2 or more chemicals make a new chemical.
2. An exothermic reaction is when energy is released. An exothermic reaction is when energy is absorbed.
3. They need to be balenced because mass is never destroyed or created.
4.The lab on Monday showed vinegar and baking soda the reactants made a product bubbles and made new compounds.My hypothesis was wrong because I thought it would make more bubbles.

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David Contreras
1.A chemical reaction is when 2 or more substances combined to make a new substance.2.An exothermic reaction  is when energy is released by light or heat and a endothermic reaction is when energy is absorbed.3.The reason that chemical equation are need to be equal on both sides is to  balanced.4.The chemical reaction that occurred on Mondays lab was when the vinegar and baking soda was that it started to bubble. Then the more baking soda that we added the higher the bubbles got.The graph proved my hypothesis that the more baking soda added the higher the bubbles got.

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Rylee Alawa
1.a chemical reaction is when something changes by a chemical or chemicals.
2.Exothermic reaction is when energy is released and Endothermic reaction is when energy is absorbed.
3.The chemical equations need to be balanced so the compounds and atoms are stable.
4.Absent

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Delilah Vela
1. A chemical reaction is when two elements combine and create a substance.
2. An exothermic reaction is when energy is released by heat or by light. But, the endothermic reaction is when the energy is absorbed.
3. The chemical Equations need to be balanced because compounds and atoms will not became unstable.

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Jonathan Hernandez
1. A chemical reaction is when a reaction forms a new compound
2. An exothermic reaction is energy being released an endothermic reaction is when energy is being absorbed
3. Chemical equations need to be balanced because then the atoms would be unstable
4. The chemical reaction for our lab is the reaction between baking soda and vinegar to make carbon dioxide and sodium iron my hypothesis was that there would be more bubbles the more we put

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Christian Moreno
1. A chemical reaction is when atoms change into different substances.
2. An exothermic reaction is when energy is being released by heat.
3. Chemical equations need to be balanced to have the same mass and be stable.
4. The lab we did on Monday showed how Baking Soda and Vinegar reacted when they are combined. The reactants Baking soda and vinegar reacted to make a new product.

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dora urena
1. a  chemical reaction is when 2 reactants mix together and form a different  substance
2. exothermic- when energy is released
endothermic- when energy is observed
3. chemical equations need to be balanced  to be stable
4. on mondays lab we mixed vinegar and baking soda. my hypothesis was that it would rise up and it did. \

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Walters Kevin
1.)A chemical reaction is when 2 or more elements combine
2.)an Exothermic reaction is when energy is released by heat
an endothermic reaction is when energy is absorbed
3.)chemical equations so the atoms and compound levels will be filled up otherwise it will become unstable
4.)the chemical reaction in our lab on Monday was the reactants sodium bicarbonate and acetic acid or vinegar bonded to create carbon dioxide, water sodium ion, and acetate my hypothesis was that the bubbles would keep rising with every tsp of baking soda

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Oscar Castrejon
1. A chemical reaction is when two or more elements are combined and new substances.
2.During an exothermic reaction energy is released unlike an endothermic reaction where energy is being absorbed.
3.Conservation of mass means that matter can not be created or destroyed and when you are balancing and equation you can not destroy elements that are already there.
4.The chemical reaction that we did show an example of a chemical reaction by having to starting reactants there was the same amount of elements that there were when you first started.

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Lucero Najera

1. A chemical reaction is when atoms combine to make something different.
2. An exothermic reaction is when energy is released and endothermic is when energy is absorbed.
3. The connection between the conversation of mass and balancing equations is that they need to balanced.
4. The chemical reaction in Monday's lab had sodium bicarbonate and acetic acid and we combined it together to form a new compound. When we combined them together they had bubbles forming. We predicted that once we combined the two, we wouldn't have as much bubbles form the other times as much as the first. Our outcome was that each time we poured baking soda to the vinegar, the bubbles rose up more. I knew that our outcome did not support our hypothesis because we thought the bubbles wouldn't form more each time we poured the baking soda into the vinegar, but each time we poured the baking soda, the bubbles rose up more.

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Julian almaraz
1.a chemical reaction is when elements combine to make a substance.
2.an exothermic reaction is when energy is being released and an endothermic is when energy is being absorbed.
3.the conservation of mass is when the chemicals have to be balanced.
4.the chemical reaction in mondays lab showed us that baking soda and vinegar made new compounds by combining them together my hypothesis was that it would make a lot of bubbles.

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christian porras

1) A chemical reaction is when two or more atoms combine to form new substances.

2) Exothermic is when energy is being released in a reaction and endothermic is when energy is being absorbed and has more energy them it started with.

3) In conservation of mass nothing can be created or destroyed  and in balancing equations you cant get rid of the atom or make a new one.

4)In the lab we where mixing baking soda and vinegar to for bubbles my hypothesis support what we did because I said every time we add more baking soda the bubbles would go higher and it did.

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valerie sharpless
1 a chemical reaction is when a chemical causes another chemical to change
2 exothermic reaction releases heat and causes the temperature to rise while endothermic absorbs the heat and makes things cooler
3 chemical reactions need to be balanced because if they are not the atoms will be unstable
4  absent

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Natalie Robles
1.)A chemical  reaction is when two reactants form together and produce new compounds.
2.)Endothermic reactions absorb energy. Exothermic reactions release energy through heat or light.
3.)You need to balance out the mass but it could not be created nor destroyed.
4.)Well when mixing the vinegar and baking soda it made compounds. The compounds made carbon dioxide and made bubbles that got higher each time we added more baking soda except for the last time.

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Luiza Castaneda
1. Is two chemicals combined
2. exothermic is when energy is released by light or heat , and endothermic is when energy is absorbed
3.  chemical equations need to be balanced is so the compounds and atoms level are filled up or else its an unstable atom
4.The chemical reaction that we did on monday was baking soda and vinegar ,i observed that everytime we put a tsp. of vinegar the baking soda made bubbles and it would rise
5.

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Eber coss

1. A chemical reaction is when two chemicals combine to make new substance.

2. An exothermic reaction is when energy is released or products have less energy than reactants. An endothermic reaction is when energy is being absorbed.

3. The reason why chemical reaction need to be balance because it needs to be stable to balance the compounds.

4. On Mondays lab there was vinegar and baking soda when you combine them together they made bubbles and when doing that it makes a new compound.

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Rayne Breonis.
1. a chemical reaction is the process when atoms are changed into different substances.
2 In an Exothermic reaction energy is being released. In an endothermic reaction, energy is being absorbed.
3.They need to be balanced so they are stable.
4. absent.

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