Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Do work equal to loss in kinetic energy Are above the inversion temperature Collide without loss of energy Exert no attractive force on each other Do work equal to loss in kinetic energy Are above the inversion temperature Collide without loss of energy Exert no attractive force on each other ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the __________ temperature. Critical Inversion Boyle Reduced Critical Inversion Boyle Reduced ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At standard conditions, N₂ + 2O₂ ⇋ 2NO₂; ΔG° = 100 kJ/moleNO + ½O₂ ⇋ 2NO₂; ΔG° = -35 kJ/moleThe standard free energy of formation of NO in kJ/mole is 30 85 170 15 30 85 170 15 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. No change L/4th reduction Four fold increase Doubling No change L/4th reduction Four fold increase Doubling ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO₂, 0.05 gm mole of oxygen and 0.80 gm mole of N₂. What is its molecular weight? 30.6 30 28.6 32.6 30.6 30 28.6 32.6 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 80 kg of Na₂SO₄ (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na₂SO₄ .10H₂O crystals separate out. The weight fraction of Na₂SO₄ in the remaining solution is 0.18 0.24 1 0.18 0.24 1 ANSWER DOWNLOAD EXAMIANS APP
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