If a gas balloon has a volume of 106 L when the temperature is 45.0 °C and the pressure is 0.800 atm. What will the volume be at 20.0 °C and 1.20 atm? Can anybody help me with this problem it's due tonight?

How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.