Stoichiometry Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is 80.1°C Less than 80.1°C Greater than 80.1°C but less than 100°C 100°C 80.1°C Less than 80.1°C Greater than 80.1°C but less than 100°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively? 780.5 801.5 880.5 756.2 780.5 801.5 880.5 756.2 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. 10 10000 1000 100 10 10000 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 43834 √2 4 43832 43834 √2 4 43832 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction) >ΔH Δ H >ΔH Δ H ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Kinetic theory of gases stipulates that, the None of these Energy is lost during molecular collisions Absolute temperature is a measure of the kinetic energy of molecules Molecules possess appreciable volume None of these Energy is lost during molecular collisions Absolute temperature is a measure of the kinetic energy of molecules Molecules possess appreciable volume ANSWER DOWNLOAD EXAMIANS APP
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