GasesGas Density46Choose the best answerFor a fixed gas at constant pressure, density is inversely proportional to:AMolar massBPressureCNumber of molesDAbsolute temperature Like 0 Discuss 0Share
GasesKinetic Molecular Theory and Gas Pressure47Choose the best answerGas pressure is mainly produced by:AMolecular collisions with the walls of the containerBEmpty spaces between moleculesCGravitational attraction among moleculesDMolecular mass alone Like 0 Discuss 0Share
GasesKinetic Molecular Theory and Gas Pressure48Choose the best answerAccording to the Kinetic Molecular Theory, gas pressure results mainly from:ACollisions between gas molecules onlyBCollisions of gas molecules with the walls of the containerCGravitational attraction between moleculesDRepulsive forces between molecules Like 0 Discuss 0Share
GasesCombined Gas Law49Choose the best answerWhich change will NOT increase the volume of a fixed amount of gas to four times its initial value?ADoubling both absolute temperature and pressureBIncreasing absolute temperature fourfold at constant pressureCDoubling absolute temperature and halving pressureDReducing pressure to one-fourth at constant temperature Like 0 Discuss 0Share
GasesIdeal Gas Equation50Choose the best answerIn the ideal gas equation PV = nRT, V represents:AVolume occupied by one molecule onlyBVolume of one mole onlyCTotal volume occupied by n moles of gasDVolume of the gas only when n = 1 Like 0 Discuss 0Share