(15 points) clouds form when

a. water vapor condenses to become a liquid
b. liquid water evaporates and becomes a gas
c. liquid water freezes and becomes a solid
d. water vapor evaporates and becomes a gas

How many miles of water are produced if 5.43 mol pbo2 are consumed

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.