The van der Waals equation for real gases recognizes that __________. 15) A) molar volumes of gases of different types are different B)the non-zero volumes of gas particles effectively decrease the...

B)the non-zero volumes of gas particles effectively decrease the amount of "empty space"between them

C)the molecular attractions between particles of gas decreases the pressure exerted by the gas

D)gas particles have non-zero volumes and interact with each other