GasesElastic Collisions116Choose the best answerCollisions between ideal-gas molecules are considered:AInelastic with loss of kinetic energyBElastic with no net loss of kinetic energyCPartially elasticDCompletely attractive Like 0 Discuss 0Share
GasesMolecular Motions of Gases117Choose the best answerMolecules of a polyatomic gas can exhibit:ATranslational motion onlyBRotational motion onlyCTranslational, rotational and vibrational motionDVibrational motion only Like 0 Discuss 0Share
GasesCombined Gas Law118Choose 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
GasesKinetic Energy of Gases119Choose the best answerAt what temperature will the total kinetic energy of 0.3 mol He equal that of 0.4 mol Ar at 400 K?A400 KB300 KC346 KD533 K Like 0 Discuss 0Share
GasesReal Gases and van der Waals Equation120Choose the best answerGases show significant deviation from ideal behaviour at high pressure mainly because:AIntermolecular forces and molecular volume become significantBGas molecules begin to move only in one directionCThe actual volume of gas molecules becomes zeroDIntermolecular forces become completely negligible Like 0 Discuss 0Share