If one mole of copper chloride is dissolved in water how many moles are dissolved

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.

Which statement best describes what happens when molecular compounds melt

What does a numerical subscript following an element in a chemical formula mean?