Stoichiometry Concentration of a solution expressed in terms of __________ is independent of temperature. Normality Molarity Molality None of these Normality Molarity Molality None of these 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. 100 1000 10 10000 100 1000 10 10000 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is 4576 J 13728 J 19206 J 12712 J 4576 J 13728 J 19206 J 12712 J 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 XB.PvB (Patm - Pvw)xB XB.Patm PvB XB.PvB (Patm - Pvw)xB XB.Patm ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At room temperature, the product [H⁺] [OH⁻] in a solution is 10⁻¹⁴ moles/litre. If, [OH⁻] = 10⁻⁶ moles/litre, then the pH of the solution will be 12 8 6 10 12 8 6 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will Increase three fold Remain unaltered Decrease three fold Increase nine fold Increase three fold Remain unaltered Decrease three fold Increase nine fold ANSWER DOWNLOAD EXAMIANS APP
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