What happens to water before and after it has formed a cloud.

0.09 moles of sodium sulfate in 12 ml of solution

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

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.