Stoichiometry At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature. Increases linearly Decreases Increases Remains unchanged Increases linearly Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change. Enthalpy Gibbs free energy Entropy Internal energy Enthalpy Gibbs free energy Entropy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Volume percent for gases is equal to the Weight percent Weight percent only for ideal gases Mole percent only for ideal gases Mole percent Weight percent Weight percent only for ideal gases Mole percent only for ideal gases Mole percent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Vapor pressure of a solution is proportional to(where, Sv and St are mole fraction of solvent and solute respectively). 1/St St 1/Sv Sv 1/St St 1/Sv Sv 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. 92 -92 -23 46 92 -92 -23 46 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. +100 +180 -109.5 +109.5 +100 +180 -109.5 +109.5 ANSWER DOWNLOAD EXAMIANS APP
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