Stoichiometry A gaseous mixture contains 14 kg of N₂, 16 kg of O₂ and 17 kg of NH₃. The mole fraction of oxygen is 0.16 0.47 0.33 0.66 0.16 0.47 0.33 0.66 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The chemical nature of an element is independent of Its atomic number The number of neutrons present in it The number of protons or electrons present in it None of these Its atomic number The number of neutrons present in it The number of protons or electrons present in it None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Decreases Increases Varies linearly Does not vary Decreases Increases Varies linearly Does not vary ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of vapor-liquid equilibria, which of the following does not account for gas phase deviation from ideality? Activity co-efficient None of these Fugacity co-efficient Use of equation of state Activity co-efficient None of these Fugacity co-efficient Use of equation of state ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is 13728 J 4576 J 19206 J 12712 J 13728 J 4576 J 19206 J 12712 J ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Cv for monoatomic gases is equal to(where, R = gas constant) R 3R 2R 1.5 R R 3R 2R 1.5 R ANSWER DOWNLOAD EXAMIANS APP
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