Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Are above the inversion temperature Do work equal to loss in kinetic energy Collide without loss of energy Exert no attractive force on each other Are above the inversion temperature Do work equal to loss in kinetic energy Collide without loss of energy Exert no attractive force on each other ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Concentration of a solution expressed in terms of __________ is independent of temperature. Molality Normality None of these Molarity Molality Normality None of these Molarity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The amount of water vapour condensed (in kg) is 0.065 1 0.1 0.065 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 40 gms each of the methane and oxygen are mixed in an empty container maintained at 40°C. The fraction of the total pressure exerted by oxygen is 1/2 1/4 2/3 1/3 1/2 1/4 2/3 1/3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K 400° 273° 300° 300° 400° 273° 300° 300° ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Viscosity of atmospheric air may be about __________ centipoise. 1.5 150 0.015 15 1.5 150 0.015 15 ANSWER DOWNLOAD EXAMIANS APP
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