GasesAbsolute Zero81Choose the best answerAbsolute zero on the Celsius scale is approximately:A0°CB−273.15°CC+273.15°CD−100°C Like 0 Discuss 0Share
GasesGas Density Relationship82Choose the best answerFor the same ideal gas at two different states, which relation is correct?AP₁T₁d₁ = P₂T₂d₂BP₁T₂d₂ = P₂T₁d₁CP₁d₁/T₂ = P₂d₂/T₁DP₁P₂ = d₁d₂ Like 0 Discuss 0Share
GasesGeneral Properties of Gases83Choose the best answerWhich statement is incorrect for a pure gas sample?AIt has no definite shapeBIt has no definite volumeCIt fills the containerDMolecules of the same pure gas have different molecular sizes Like 0 Discuss 0Share
GasesCharles's Law84Choose 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
GasesCharles's Law85Choose the best answerAccording to Charles's law, at constant pressure the volume of a fixed amount of gas is directly proportional to:ACelsius temperatureBAbsolute temperatureCPressureDDensity Like 0 Discuss 0Share