Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Do work equal to loss in kinetic energy Are above the inversion temperature Exert no attractive force on each other Collide without loss of energy Do work equal to loss in kinetic energy Are above the inversion temperature Exert no attractive force on each other Collide without loss of energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to Increased collision rate among molecules Decrease in mean free path Increase in average molecular speed Increase in molecular attraction Increased collision rate among molecules Decrease in mean free path Increase in average molecular speed Increase in molecular attraction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vessel of volume 1000 m³ contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately 20 25 17 34 20 25 17 34 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis 1.2 1.25 1.3 1.35 1.2 1.25 1.3 1.35 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a temperature of 0°K, the molecules of a gas have only __________ energy. Rotational Vibrational None of these Translational Rotational Vibrational None of these Translational ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Heat conservation Yield enhancement None of these Product enrichment Heat conservation Yield enhancement None of these Product enrichment ANSWER DOWNLOAD EXAMIANS APP
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