a sealed rigid container contains a mixture of n2(g) and he(g) at 300 k. which of the following would double if the temperature of the gaseous mixture is increased to 600 k? a sealed rigid container contains a mixture of n2(g) and he(g) at 300 k. which of the following would double if the temperature of the gaseous mixture is increased to 600 k? partial pressure of each gas average kinetic energy of each gas molecule