Stoichiometry In physical adsorption, as compared to chemisorption, the Quantity adsorbed per unit mass is higher Rate of adsorption is controlled by the resistance to surface reaction Heat of adsorption is very large Activation energy is very high Quantity adsorbed per unit mass is higher Rate of adsorption is controlled by the resistance to surface reaction Heat of adsorption is very large Activation energy is very high ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm. 0.65 65 0.065 6.5 0.65 65 0.065 6.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor. Dry gaseous Saturated Superheated Unsaturated Dry gaseous Saturated Superheated Unsaturated ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of calorific value. 1 BTU/lb = 2.3 kcal/kg 1 kcal/m³ = 0.1124 BTU/ft³ 1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³ 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg 1 BTU/lb = 2.3 kcal/kg 1 kcal/m³ = 0.1124 BTU/ft³ 1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³ 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg 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 Increase in average molecular speed Increased collision rate among molecules Increase in molecular attraction Decrease in mean free path Increase in average molecular speed Increased collision rate among molecules Increase in molecular attraction Decrease in mean free path ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The combustion equations of carbon and carbon monoxide are as follows: C + O₂ = CO₂, ΔH = - 394 kJ/kg . mole CO + 1/2 O₂ = CO₂, ΔH = - 284.5 kJ/kg. mole. The heat of formation of CO is __________ kJ/kg. mole. +109.5 -109.5 +180 +100 +109.5 -109.5 +180 +100 ANSWER DOWNLOAD EXAMIANS APP
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