If you only wanted to increase the particle motion of a gas without increasing any of it's other properties, which would the most correct situation? a Keep the gas at a constant pressure and keep the temperature constant, but increase the volume of the gas b Keep the gas in a fixed container at constant pressure and increase the temperature c Keep the gas in a fixed container at constant pressure and decrease the temperature d Keep the gas at a constant volume and keep the temperature constant, but decrease the pressure of the gas