Stoichiometry In physical adsorption, as compared to chemisorption, the Rate of adsorption is controlled by the resistance to surface reaction Activation energy is very high Heat of adsorption is very large Quantity adsorbed per unit mass is higher Rate of adsorption is controlled by the resistance to surface reaction Activation energy is very high Heat of adsorption is very large Quantity adsorbed per unit mass is higher ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the 'corresponding states'. At equal reduced conditions i.e., at the corresponding state, the __________ of different gases are nearly the same. Humidity None of these Molecular weight Compressibility Humidity None of these Molecular weight Compressibility ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole. -23 92 46 -92 -23 92 46 -92 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half, will result in __________ in the volume of the gas. L/4th reduction Doubling No change Four fold increase L/4th reduction Doubling No change Four fold increase ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is 18.33 kJ 10.73 kJ 18.11 kJ 16.15 kJ 18.33 kJ 10.73 kJ 18.11 kJ 16.15 kJ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is Independent of temperature Increased with decrease in pressure Unchanged with pressure changes Increases with rise in pressure Independent of temperature Increased with decrease in pressure Unchanged with pressure changes Increases with rise in pressure ANSWER DOWNLOAD EXAMIANS APP
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