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. 79.62 80 80.38 78.51 79.62 80 80.38 78.51 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assuming that CO₂ obeys perfect gas law, calculate the density of CO₂ (in kg/m³) at 263°C and 2 atm. 2 1 3 4 2 1 3 4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be -136.5°C 0°K -136.5°K 0°C -136.5°C 0°K -136.5°K 0°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal Intermolecular forces of attraction Total energy Potential energy Kinetic energy Intermolecular forces of attraction Total energy Potential energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor whose partial pressure is less than its equilibrium vapor pressure is called a __________ vapor. Superheated Saturated Supersaturated None of these Superheated Saturated Supersaturated None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of Combustion Formation Solution Fusion Combustion Formation Solution Fusion ANSWER DOWNLOAD EXAMIANS APP
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