Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 20 70 100 10 20 70 100 10 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? 756.2 880.5 801.5 780.5 756.2 880.5 801.5 780.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of a vapor gas mixture may be increased by increasing the Temperature and the humidity Humidity at constant temperature Temperature at constant humidity All of these Temperature and the humidity Humidity at constant temperature Temperature at constant humidity All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In the reaction, represented by Na₂CO₃ + HC₁ → NaHO₃ + NaCl, the equivalent weight of Na₂CO₃ is 106 10.6 5.3 53 106 10.6 5.3 53 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Becomes zero at the critical point Both B & C Decreases with increasing pressure Increases with pressure rise Becomes zero at the critical point Both B & C Decreases with increasing pressure Increases with pressure rise ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Validity of the relationship, inputs = outputs, holds good for the system at steady state Without chemical reaction & losses Without chemical reaction With chemical reaction None of these Without chemical reaction & losses Without chemical reaction With chemical reaction None of these ANSWER DOWNLOAD EXAMIANS APP
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