Stoichiometry The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K 273° 300° 300° 400° 273° 300° 300° 400° ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction None of these Temperature & pressure Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction None of these Temperature & pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be M M/2 2M M/4 M M/2 2M M/4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Weight of 56 litres of ammonia at N.T.P. is __________ gm. 2.5 2800 42.5 56 2.5 2800 42.5 56 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.2 0.4 0.1 0.6 0.2 0.4 0.1 0.6 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen. Lower than Same as Higher than Not related to Lower than Same as Higher than Not related to ANSWER DOWNLOAD EXAMIANS APP