Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Decreases with increasing pressure Increases with pressure rise Both B & C Becomes zero at the critical point Decreases with increasing pressure Increases with pressure rise Both B & C Becomes zero at the critical point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of transition is the heat evolved or absorbed, when a substance is converted from Vapor to liquid Solid to liquid One allotropic form to another allotropic form Vapor to solid Vapor to liquid Solid to liquid One allotropic form to another allotropic form Vapor to solid ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation. Dry bulb temperature Wet bulb temperature Relative saturation Humidity Dry bulb temperature Wet bulb temperature Relative saturation Humidity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50% H₂O condenses, the final mole percent of H₂ in the gas on a dry basis will be be 0.1 0.05 0.1818 0.2 0.1 0.05 0.1818 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 80 78.51 79.62 80.38 80 78.51 79.62 80.38 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of H₂SO₄ (5% concentration) is 7 > 7 < 7 5 7 > 7 < 7 5 ANSWER DOWNLOAD EXAMIANS APP
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