Which thermodynamic quantity measures the randomness of a system?

What is Hess's Law used for?

Gibbs free energy determines the spontaneity of a reaction; a negative value indicates the reaction is:

According to the second law of thermodynamics, entropy of an isolated system tends to:

What is the standard enthalpy of formation of an element in its most stable state?

What is the enthalpy change called when one mole of a compound forms from its elements?

Which process describes a reaction that absorbs heat from its surroundings?

What is an exothermic reaction?

What does the term 'activation energy' refer to?

Which law states that heat energy is conserved in all processes?

Which factor does not affect the rate of a chemical reaction?