9/6/2017 11:55 PM A 71.8/100 Gradebook Print Calculator-Periodic Table Question 18 of 20 Map Sapling Learning macmillan leaming For an ideal gas, classify the following pairs of properties as directly or inversely proportional. Directly Propnsely Proportional P and V Pand T Tand V P and n Vand n PreviousCheck Answer NextExit Y Hint