Question

The temperature of a sample of liquid water changes from 50°C to 30°C. Which statemen

happen at the molecular level?
The molecules move more quickly and their average kinetic energy increases
The molecules move more slowly and their average kinetic energy decreases.
The molecules move more quickly and their average kinetic energy decreases
The molecules move more slowly and their average kinetic energy increases

Answer 1

The molecules move more quickly and their average kinetic energy decreases