Compare and contrast the average kinetic energy of 0.5 L of coffee at 34°C, 0.5 L of coffee at 38°C, and 0.25 L of tea at 43°C. 4. Compare the thermal energy of 0.5 L of coffee at 38°C and 0.25 L of coffee at 38°C. 5. Compare and contrast the shape and volume of water as it changes state: a. A 6 cm3 piece of ice is placed in a beaker. b. The beaker is heated to more than 0°C and the ice melts in the beaker. c. The liquid water is heated to above 100°C and eventually evaporates.