A crystal that absorbs water vapor from the air is
C. hygroscopic

Sugar is dissolved in water. which is the solute? sugar neither both water

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.

The sum of the oxidation numbers in a neutral compound is always