An example of a physical property of an element is the element's ability to what?

Based on the equation and the information in the table, what is the enthalpy of the reaction?

What overall charge must all compounds have

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.