Stoichiometry Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of Wetting Complete wetting Adsorption Mixing Wetting Complete wetting Adsorption Mixing 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 1/3 1/4 2/3 1/2 1/3 1/4 2/3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by Decrease in temperature Increasing the concentration of N₂ Decrease in pressure Increase in pressure Decrease in temperature Increasing the concentration of N₂ Decrease in pressure Increase in pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An equation for calculating vapour pressure is given by, log10 P = A - B(t + c). Trouton's rule Kistyakowsky equation Antonic equation Kopp's rule Trouton's rule Kistyakowsky equation Antonic equation Kopp's rule ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vessel of volume 1000 m³ contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately 20 17 25 34 20 17 25 34 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Increases with pressure rise Decreases with increasing pressure Both B & C Becomes zero at the critical point Increases with pressure rise Decreases with increasing pressure Both B & C Becomes zero at the critical point ANSWER DOWNLOAD EXAMIANS APP
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