GasesAvogadro's Law151Choose the best answerAt the same temperature and pressure, equal volumes of gases contain:AEqual numbers of moleculesBEqual massesCEqual molar massesDEqual densities Like 0 Discuss 0Share
GasesUniversal Gas Constant152Choose the best answerThe value of the universal gas constant R is 0.0821 in which units?AJ mol⁻¹ K⁻¹Batm·dm³·mol⁻¹·K⁻¹Ccal mol⁻¹ K⁻¹DPa·m³ only Like 0 Discuss 0Share
GasesDensity of Gases#Gas Density153Choose 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
GasesAvogadro's Law154Choose the best answerIf more gas is added while temperature and pressure remain constant, the volume:ADecreasesBRemains unchangedCIncreases in direct proportion to the number of molesDBecomes zero Like 0 Discuss 0Share
GasesBoyle's Law155Choose the best answerFor a fixed amount of an ideal gas at constant temperature:AP/V = constantBV = constantCP = constantDPV = constant Like 0 Discuss 0Share