Stoichiometry The heat of vaporisation __________ with increase in pressure. Becomes zero at critical pressure Decreases Both B and C Increases Becomes zero at critical pressure Decreases Both B and C Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will Increase nine fold Increase three fold Remain unaltered Decrease three fold Increase nine fold Increase three fold Remain unaltered Decrease three fold ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c. 566 141.5 293 283 566 141.5 293 283 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about 0.19 0.67 0.40 0.33 0.19 0.67 0.40 0.33 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor that exists above its critical temperature is termed as a __________ vapor. Sub-cooled Gaseous Unsaturated Saturated Sub-cooled Gaseous Unsaturated Saturated ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In physical adsorption, as compared to chemisorption, the Heat of adsorption is very large Activation energy is very high Rate of adsorption is controlled by the resistance to surface reaction Quantity adsorbed per unit mass is higher Heat of adsorption is very large Activation energy is very high Rate of adsorption is controlled by the resistance to surface reaction Quantity adsorbed per unit mass is higher ANSWER DOWNLOAD EXAMIANS APP