GasesBoyle's Law91Choose the best answerFor a fixed amount of an ideal gas at constant temperature:AP/V = constantBV = constantCP = constantDPV = constant Like 0 Discuss 0Share
GasesElastic Collisions92Choose the best answerAn elastic collision between gas molecules means that:ATheir velocities never changeBTotal kinetic energy is conservedCTheir directions never changeDPotential energy remains permanently zero Like 0 Discuss 0Share
GasesIdeal Behaviour of Helium93Choose the best answerHelium behaves very nearly as an ideal gas because:AIt has strong intermolecular attractionsBIts atoms have very large volumeCIt has a high boiling pointDIntermolecular attractions between He atoms are very weak Like 0 Discuss 0Share
GasesBoyle's Law Isotherms94Choose the best answerFor a fixed amount of an ideal gas, why does a Boyle's law isotherm at higher temperature lie farther from the origin?AMolecular mass increasesBNumber of moles increasesCThe gas constant increasesDThe value of PV = nRT is greater Like 0 Discuss 0Share
GasesDensity of Gases#Gas Density95Choose 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