Stoichiometry Measurement of the amount of dry gas collected over water from volume of moist gas is based on the Dalton's law of partial pressures Avogadro's hypothesis Charle's law Boyle's law Dalton's law of partial pressures Avogadro's hypothesis Charle's law Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are PvB and Pvw respectively. The partial pressure of benzene in air-vapour mixture is PvB (Patm - Pvw)xB XB.Patm XB.PvB PvB (Patm - Pvw)xB XB.Patm XB.PvB ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole. 92 -23 -92 46 92 -23 -92 46 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 centipoise is equivalent to 2.42 lb/ft.hr 1 centistoke 1 gm/cm.second 2.42 lb/ft.second 2.42 lb/ft.hr 1 centistoke 1 gm/cm.second 2.42 lb/ft.second ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic heat capacities of all solid elements __________ with decrease in temperature. Increases Approach zero at 0°C Remains unchanged Decreases Increases Approach zero at 0°C Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state. Either A or B; depends on the nature of the substance Same More Less Either A or B; depends on the nature of the substance Same More Less ANSWER DOWNLOAD EXAMIANS APP
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