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
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 -23 46 92 -92 -23 46 92 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Do work equal to loss in kinetic energy Exert no attractive force on each other Collide without loss of energy Are above the inversion temperature Do work equal to loss in kinetic energy Exert no attractive force on each other Collide without loss of energy Are above the inversion temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A very dilute solution is prepared by dissolving 'x1' mole of solute in 'x2' mole of a solvent. The mole fraction of solute is approximately equal to 1 - (x1/x2) X2/x1 1/x2 X1/x2 1 - (x1/x2) X2/x1 1/x2 X1/x2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Varies linearly Does not vary Increases Decreases Varies linearly Does not vary Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is 0.6 0.8 0.4 0.2 0.6 0.8 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
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