Stoichiometry A gaseous mixture contains 14 kg of N₂, 16 kg of O₂ and 17 kg of NH₃. The mole fraction of oxygen is 0.33 0.47 0.16 0.66 0.33 0.47 0.16 0.66 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules Do not exert attractive force on each other Do work equal to loss in kinetic energy Are above the inversion temperature Do not lose energy on collision Do not exert attractive force on each other Do work equal to loss in kinetic energy Are above the inversion temperature Do not lose energy on collision ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes 1 8 4 2 1 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids of similar chemical nature at any particular temperature __________ with increase in the molecular weight. Decreases Either A or B; depends on the liquid Increases Remains unchanged Decreases Either A or B; depends on the liquid Increases Remains unchanged 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 4576 J 13728 J 19206 J 12712 J 4576 J 13728 J 19206 J 12712 J ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Osmotic pressure of the solution can be increased by Diluting the solution None of these Decreasing its temperature Increasing the volume of the vessel containing the solution Diluting the solution None of these Decreasing its temperature Increasing the volume of the vessel containing the solution ANSWER DOWNLOAD EXAMIANS APP