Stoichiometry For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by Decrease in pressure Increase in pressure Decrease in temperature Increasing the concentration of N₂ Decrease in pressure Increase in pressure Decrease in temperature Increasing the concentration of N₂ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 140 345 485 350 140 345 485 350 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Density of carbon dioxide is __________ kg/Nm³. 44/22400 None of these 22.4/44 44/22.4 44/22400 None of these 22.4/44 44/22.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases. Total energy Kinetic energy Intermolecular forces Potential energy Total energy Kinetic energy Intermolecular forces Potential energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become 9P 9P² 3P P/3 9P 9P² 3P P/3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Average molecular weight of air is about 79 21 23 29 79 21 23 29 ANSWER DOWNLOAD EXAMIANS APP