A gas is enclosed in a sealed container in a laboratory. The gas temperature rises. What occurs to the average speed, and what occurs to the total kinetic energy of the gas molecules?
- Aaverage speed does not change; total kinetic energy does not change
- Baverage speed does not change; total kinetic energy increases
- Caverage speed increases; total kinetic energy does not change
- Daverage speed increases; total kinetic energy increases