GasesDeviation of Real Gases from Ideal Behaviour26Choose the best answerReal gases deviate significantly from ideal behaviour at high pressure mainly because:AMolecular volume and intermolecular interactions become significantBMolecules move only in one directionCMolecular volume becomes zeroDIntermolecular forces disappear completely Like 1 Discuss 0Share
GasesRoot Mean Square Speed27Choose the best answerFor a fixed gas, the root mean square speed is proportional to:ATB√TC1/TDT² Like 0 Discuss 0Share
Gasesvan der Waals Volume Correction28Choose the best answerWhy is nb subtracted from V in the van der Waals equation?AThe volume available for molecular motion is less than the container volumeBMolecules have no volumeCGas pressure becomes zeroDTemperature decreases Like 0 Discuss 0Share
GasesReal Gases and van der Waals Equation29Choose the best answerApproximate van der Waals constant a values are: O₂ = 1.36, N₂ = 1.39, NH₃ = 4.17, CH₄ = 2.25. Which gas has the strongest intermolecular attraction and can be liquefied most easily?AO₂BN₂CNH₃DCH₄ Like 0 Discuss 0Share
GasesAvogadro's Law and Molar Mass30Choose the best answerEqual 1 L samples of O₂, H₂, Cl₂ and H₂O vapour are compared at the same temperature and pressure. Which has the greatest mass?AO₂BH₂CCl₂DH₂O vapour Like 0 Discuss 0Share