Stoichiometry In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is 200 60.3 720 180 200 60.3 720 180 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 34 25 20 17 34 25 20 17 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________ 1019 1020 1026 1023 1019 1020 1026 1023 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of reaction is not influenced by The route/method through which final products are obtained The physical state (e.g., solid, liquid or gaseous) of reactants and products Whether the reaction is carried out at constant temperature or constant pressure None of these The route/method through which final products are obtained The physical state (e.g., solid, liquid or gaseous) of reactants and products Whether the reaction is carried out at constant temperature or constant pressure None of these ANSWER DOWNLOAD EXAMIANS APP
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 Adsorption Complete wetting Mixing Wetting Adsorption Complete wetting Mixing ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times. 1000 10000 100 10 1000 10000 100 10 ANSWER DOWNLOAD EXAMIANS APP
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