Problem 1. (Temperature and thermal equilibrium) Temperature is an indicator of: a. Total energy of the molecules in the system b. The average kinetic energy of the molecules in the system c. The average potential energy of the molecules in the system d. The average energy required to break the bonds between the molecules Problem 2. (Temperature and thermal equilibrium) Thermal equilibrium between two objects implies: a. There is no net heat flow between them b. They have the same temperature c. They have the same internal energy d. Both a and b