An increase in the pressure exerted on gas at a constant temperature results in

An increase in the pressure exerted on gas at a constant temperature results in a decrease in volume. This is due to the fact that gas molecules are constantly in motion and colliding with each other and with the walls of their container. When the pressure is increased, the gas molecules are pushed closer together, resulting in a decrease in the volume of the gas. Conversely, if the pressure is decreased, the gas molecules have more room to move around, resulting in an increase in volume. It's important to note that the temperature of the gas remains constant in this scenario, so the average kinetic energy of the gas molecules also remains constant.