Physical Science HELP

Can someone check if these are right:
Tell reaction rate
1.) one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. TEMPERATURE?
2.) a mixture of baking powder, flour, sugar, and eggs is placed in the oven. TEMPERATURE?
3.) a large medicine tablet is crushed before being swallowed. SURFACE AREA?
4.) Enzymes in the small intestine act on food as it is being digested. CATALYSTS?
5.) bellows are used to fan a fire in a fireplace SURFACE AREA?
6.) charcoal bricks are broken into smaller pieces before being placed I'm an outdoor grill. SURFACE AREA?
7.) a soft drink containing carbonic acid, which decomposes into carbon dioxide and water, is placed in the refrigerator. CONCENTRATION?

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asked by Julie
  1. See my response below.

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  2. Ms. Sue is no help!

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    posted by Taylor

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