Which of the following is an example of the conversion of kinetic energy into gravitational potential energy?
a) a person walking up a hill
b) a person parachuting out of an airplane
c) a person skiing down a hill
d) a car racing around a oval track

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral