How to Decrease Total Energy of a System with Water in a Jar

Decreasing Total Energy of a System with Water in a Jar

To decrease the total energy of a system consisting of a jar full of water, one effective method is to place the jar in the freezer.

When you place the jar in the freezer, the temperature of the water inside the jar will decrease. As the temperature decreases, the kinetic energy of the water molecules will also decrease. This results in the molecules moving around less and having lower energy levels.

By lowering the energy levels of the water molecules, the total energy of the system decreases. This is because energy is directly related to the motion of particles, and when the particles move less, the total energy of the system decreases.

On the other hand, placing the jar in sunlight or heating it in a microwave would increase the energy of the system as the water molecules gain energy and move more. Placing a lid on the jar and shaking it might result in some energy transfer, but it would not be as effective as placing it in the freezer to decrease the total energy of the system.

In conclusion, placing the jar in the freezer is the best option to decrease the total energy of a system consisting of a jar full of water, as it effectively reduces the energy levels of the water molecules by lowering their temperature.