Stoichiometry At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature. Increases linearly Increases Remains unchanged Decreases Increases linearly Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One Newton is equal to __________ dynes. 10² 10³ 10⁴ 10⁵ 10² 10³ 10⁴ 10⁵ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kgf/cm² is not equal to 100 KPa = 100 000 N/m² 1 torr 10000 mm wc 1 bar 100 KPa = 100 000 N/m² 1 torr 10000 mm wc 1 bar 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 8 6 12 10 8 6 12 10 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 19206 J 13728 J 12712 J 4576 J 19206 J 13728 J 12712 J ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies Xw = 0.5 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 1.0 Xw = 0.5 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 1.0 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS