SINDH MDCAT 2019 CHEMISTRY#Gases#Pressure Conversion161Choose the best answerHow many atmospheres correspond to 1050 torr? (Sindh MDCAT 2019)A1.050B10.38C1.380D2.750 Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Gases#Ideal Gas Equation162Choose the best answerThe value of R (the gas constant) is: (Sindh MDCAT 2019)A0.0821 dm³ atm K mole⁻¹B803143 Nm K⁻¹ moleC0.0821 dm³ atm K⁻¹ mole⁻¹D8.3143 dm³ atm K⁻¹ mole⁻¹ Like 0 Discuss 0Share
GasesElastic Collisions163Choose 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
Sindh MDCAT 2022 Chemistry#Gases#Graham’s Law164Choose the best answerQ.85 The comparison of rate of diffusion of H₂ & O₂ is in the ratio of:A2 : 1B1 : 4C3 : 2D4 : 1 Like 0 Discuss 0Share
GasesGas Density165Choose the best answerAt constant temperature and fixed molar mass, the density of an ideal gas is directly proportional to:ATemperatureBVolumeCPressureDAbsolute temperature squared Like 0 Discuss 0Share