Gasesvan der Waals Equation111Choose the best answerThe van der Waals equation for one mole of a real gas is:A(P + a/V²)(V − b) = RTB(P − a/V²)(V + b) = RTCPV = RTD(P + a)(V − b) = RT Like 0 Discuss 0Share
GasesAbsolute Zero and Kinetic Molecular Theory112Choose the best answerAccording to the classical Kinetic Molecular Theory, the kinetic energy of an ideal gas becomes zero at:A0°CB273°CC−273.15°CD100°C Like 0 Discuss 0Share
GasesKinetic Molecular Theory and Gas Pressure113Choose 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
Gasesvan der Waals Constant a114Choose the best answerAmong H₂, He, Cl₂ and SO₂, which gas is expected to have the largest van der Waals constant a?ASO₂BHeCH₂DN₂ Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Combined Gas Law#Gases115Choose the best answer1 atm of nitrogen is at 25°C. Its pressure has increased to 2 atm at 50°C. Volume will change from 1 dm³ to: (MDCAT 2023)A0.542 dm³B2 dm³C3 dm³D4 dm³ Like 0 Discuss 0Share