Solar cells convert what type of electrical energy? a. thermal b. elactromagnetic c. nuclear d. chemical

How are elements arranged in a periodic table

How many moles of al3+ ions are in 1.25 moles of al2o3

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.