Need help it’s a potential energy quiz

In which phase(s) do the molecules take the shape of the container?

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

What volume would 2.25 moles of ne has occupy at stp?