Stoichiometry In the reaction, represented by Na₂CO₃ + HC₁ → NaHO₃ + NaCl, the equivalent weight of Na₂CO₃ is 5.3 53 106 10.6 5.3 53 106 10.6 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of vapor-liquid equilibria, which of the following does not account for gas phase deviation from ideality? Use of equation of state Fugacity co-efficient None of these Activity co-efficient Use of equation of state Fugacity co-efficient None of these Activity co-efficient ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The evaporation of aqueous solution of sugar causes its molarity to Remain unchanged. increase. Decrease. Either A or B; depends on the concentration of the solution. Remain unchanged. increase. Decrease. Either A or B; depends on the concentration of the solution. ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is 0.5 0.2 1.72 0.58 0.5 0.2 1.72 0.58 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation. Relative saturation Humidity Dry bulb temperature Wet bulb temperature Relative saturation Humidity Dry bulb temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 Pascal (unit of pressure) is equal to __________ N/m². 0.1 1000 10 1 0.1 1000 10 1 ANSWER DOWNLOAD EXAMIANS APP