Stoichiometry The combustion equations of carbon and carbon monoxide are as follows: C + O₂ = CO₂, ΔH = - 394 kJ/kg . mole CO + 1/2 O₂ = CO₂, ΔH = - 284.5 kJ/kg. mole. The heat of formation of CO is __________ kJ/kg. mole. +109.5 -109.5 +180 +100 +109.5 -109.5 +180 +100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is 18.11 kJ 18.33 kJ 10.73 kJ 16.15 kJ 18.11 kJ 18.33 kJ 10.73 kJ 16.15 kJ 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 170 85 15 30 170 85 15 30 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature at which a real gas obeys Boyle's law is termed as the Inversion temperature Boyle's temperature Triple point Eutectic point Inversion temperature Boyle's temperature Triple point Eutectic point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An aqueous solution of 2.45% by weight H₂SO₄ has a specific gravity of 1.011. The composition expressed in normality is 0.5 0.25 0.5055 0.2528 0.5 0.25 0.5055 0.2528 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of H₂SO₄ (5% concentration) is 5 > 7 7 < 7 5 > 7 7 < 7 ANSWER DOWNLOAD EXAMIANS APP