GasesReal Gases and van der Waals Equation1Choose 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
GasesCharles's Law2Choose the best answerA gas occupies 300 mL at 37°C. It is cooled to −3°C at constant pressure. What is its final volume?A350 mLB270 mLC261 mLD135 mL Like 0 Discuss 0Share
GasesReal Gases and van der Waals Equation3Choose 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
GasesDensity of Gases#Gas Density4Choose the best answerAt which condition is the density of NH₃ greatest?A1 atm, 500°CB2 atm, 300°CC3 atm, 200°CD4 atm, 100°C Like 3 Discuss 0Share