Which of the following is typically associated with acid precipitation over a body of water?
a decrease in ph
an increase in ph
a decrease in water temperature
an increase in water temperature
didn't know what subject to put this in lol sorry

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.

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.