Online Database of Chemicals

I just came back from the store and lifted the top on my laptop and see this thing that says Catalyst Control center. ATI and aks me to install.
What is this? is it bad for my computer?
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write the formulas and other symbols for these substances.
1.) sulfur trioxide gas
2.) potassium nitrate dissolved in water
3.) heat supplied to a chemical reaction
4.) metallic copper
5.) liquid mercury
6.) zinc chloride as a catalyst.
THANK U SOOO MUCHO
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I’m just wondering about that.
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Sparklers contain powdered iron. Why do sparklers burn more rapidly that a piece of iron wire?
(Select all that apply.)
1.) Smaller particles have a lower energy of activation than larger particles.
2.) Converting the iron to a powder makes it an ionic compound which reacts more rapidly.
3.) Larger particles react more rapidly than small particles.
4.) The larger [...]

Which of the following account(s) for why food cooks faster at 400°F than at 300°F?
(Select all that apply.)
1.) Increasing the temperature decreases the number of molecules with sufficient energy to react.
2.) Temperature is a catalyst for the reaction.
3.) Increasing the temperature increases the concentration of the molecules.
4.) Increasing the temperature increases the number of molecules [...]