In an __________ reaction, the products are more stable than the reactants; in an __________ reaction the reactants are more stable than the products.

Which of the following are endothermic?

Consider the following spontaneous reaction:

What can you conclude about the enthalpy change in this reaction?

Which of the following is true regarding an exothermic reaction?

I. Entropy always increases

II. It is always spontaneous

III. It can facilitate other energy-consuming reactions