Stoichiometry During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change. Entropy Enthalpy Gibbs free energy Internal energy Entropy Enthalpy Gibbs free energy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Cp is expressed in S.I. unit as 0°K J/kg.°K W/m. °K W/m². °C 0°K J/kg.°K W/m. °K W/m². °C 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 0.67 0.40 0.19 0.33 0.67 0.40 0.19 0.33 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. Doubling L/4th reduction No change Four fold increase Doubling L/4th reduction No change Four fold increase ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is 3 2 1 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry S.T.P. corresponds to 1 atm. absolute pressure & 15.5°C 760 mm Hg gauge pressure & 15.5°C 101.325 kPa gauge pressure & 15.5°C 760 torr & 0°C 1 atm. absolute pressure & 15.5°C 760 mm Hg gauge pressure & 15.5°C 101.325 kPa gauge pressure & 15.5°C 760 torr & 0°C ANSWER DOWNLOAD EXAMIANS APP