GasesAverage Kinetic Energy of Gases101Choose the best answerEqual numbers of moles of H₂ and He are present at the same temperature. Which property is the same for both gases?AMassBAverage kinetic energyCMolar massDRoot mean square speed Like 0 Discuss 0Share
GasesGas Density102Choose the best answerUnder which condition is the density of O₂ greatest?A273 K and 1 atmB273 K and 2 atmC546 K and 1 atmD546 K and 2 atm Like 0 Discuss 0Share
GasesIdeal Gas Equation and Gas Concentration103Choose the best answerFor n moles of an ideal gas, its concentration n/V is:AP/RTBRT/PCPT/RDR/PT Like 0 Discuss 0Share
GasesPressure–Temperature Relationship104Choose the best answerA gas occupies 10 L at 273 K and 1 atm. Which new condition will keep its volume unchanged?A273 K and 2 atmB546 K and 2 atmC819 K and 0.5 atmD273 K and 0.5 atm Like 0 Discuss 0Share
GasesAverage Kinetic Energy of Gases105Choose the best answerThe average kinetic energy of gas molecules is directly proportional to:APressureBVolumeCAbsolute temperatureDNumber of moles Like 0 Discuss 0Share