Record whether each of these statements is true or false. Provide your reasoning.
(a) Heat is possessed by a chemical system.
(b) For an exothermic change, energy exits from the surroundings and enters the chemical system.
(c) The change in enthalpy of a chemical system is measured in kilojoules per mole (kJ/mol).
(d) The change in thermal energy of the surroundings can be calculated using Q =mΔct.
(e) Temperature is the measure of the average kinetic energy of the entities in a chemical system.