Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. -2448.45 +816.15 +1632.3 -1632.3 -2448.45 +816.15 +1632.3 -1632.3 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 2M M M/4 M/2 2M M M/4 M/2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry According to Raoult's law, "The vapor pressure exerted by component in a solution is proportional to the mole fraction of that component." Raoult's law is not applicable under the following assumption/condition. In the formation of solution, chemical combination/molecular association between unlike molecules takes place The attractive forces between like and unlike molecules are almost equal No component is concentrated at the surface of the solution The component molecules are non polar and are of almost equal size In the formation of solution, chemical combination/molecular association between unlike molecules takes place The attractive forces between like and unlike molecules are almost equal No component is concentrated at the surface of the solution The component molecules are non polar and are of almost equal size ANSWER DOWNLOAD EXAMIANS APP
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° 400° 300° 273° 300° 400° 300° ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry S.T.P. corresponds to 760 torr & 0°C 101.325 kPa gauge pressure & 15.5°C 1 atm. absolute pressure & 15.5°C 760 mm Hg gauge pressure & 15.5°C 760 torr & 0°C 101.325 kPa gauge pressure & 15.5°C 1 atm. absolute pressure & 15.5°C 760 mm Hg gauge pressure & 15.5°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen. Same as Higher than Not related to Lower than Same as Higher than Not related to Lower than ANSWER DOWNLOAD EXAMIANS APP
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