Which law relates to the ideal gas law? P 1 T 1 =P 2 T 2 P 1 n 1 =P 2 n 2 V 1 Omega 1 = V 2 n 2 P 1 V 1 = P 2 V 2

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

Which statement best describes what happens when molecular compounds melt