Chemical Reactions
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Use the image below to answer questions 1
1.  What did experiment #1 show about DISSOLVING sugar? *
Use this equation to answer question 2
2.  Which are the REACTANTS in this reaction?       *
Use the image below to answer the next 2 questions.
3.  How can this reaction be described in terms of ENERGY? *
4.  What evidence from the graph shows that the baking soda was added to the vinegar at minute 2? *
5.  Kelley mixes and stirs two chemical solids together. While stirring she notices that the BEAKER IS GETTING HOT. What is happening to the beaker? *
6.  Which plastic would be unsafe to use to store products that contain acetone? *
7.  If FOUR carbon atoms undergo a chemical reaction with oxygen to form CO2 molecules, how many carbon atoms will be found in the PRODUCT? *
8.  Which substance would be considered the MOST REACTIVE with acid? *
9.  A biologist studies photosynthesis and describes it as a biological process. A chemist studies photosynthesis and describes it as a chemical reaction. Which scientist is correct? *
10.  A student uses clay to model the CONSERVATION OF MASS. First, she weighs a block of clay on a balance. Then she molds the clay into a different shape, without adding or removing clay. She weighs it again. How will her results model this law? *
ANSWER THE FOLLOWING TWO QUESTIONS USING THE SCENARIO BELOW
Acid rain is found in parts of the country where there are many cars and power plants. Water in the form of rain is chemically combined with sulfur dioxide and oxygen to create sulfuric acid, which becomes acid rain.

11.  Which substance is considered the PRODUCT of the reaction? *
12.  Which substances are considered the REACTANTS?
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13.  The LAW OF CONSERVATION OF MASS states that matter is not gained or lost in a chemical reaction. Which of the following correctly restates this law? In a chemical reaction *
Use this image to answer the question below:
14.  Which of the equations above is balanced?
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