posted by Wanda .
Which of the following procedures increases the average kinetic energy of the molecules in a beaker of water.
1. heating water from 0 degrees C to 100 degrees C.
2. Cooling steam at 100 degrees C to ice at 0 degrees C.
3. Changing ice at 0 degrees to liquid water at 0 degrees C.
4. Changing liquid water at 100 degrees C to steam at 100 degrees C.