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
Stoichiometry 6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H₂ produced will be __________ gm. gm. 5 1 0.5 3 5 1 0.5 3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K 400° 300° 300° 273° 400° 300° 300° 273° ANSWER DOWNLOAD EXAMIANS APP
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 Quantity adsorbed per unit mass is higher Heat of adsorption is very large Rate of adsorption is controlled by the resistance to surface reaction Activation energy is very high Quantity adsorbed per unit mass is higher Heat of adsorption is very large ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is Not a function of the composition of gas mixture Termed as relative saturation Not a function of the nature of vapor Called percentage saturation Not a function of the composition of gas mixture Termed as relative saturation Not a function of the nature of vapor Called percentage saturation ANSWER DOWNLOAD EXAMIANS APP