91. AG(s) = Ag(t), T = 1234K; ?H = 11300 J.mol-1 ?CP = Cp(t) - Cp(s) = 0
When one mole of super cooled liquid silver freezes at an ambient temperature of 1000 K, the total entropy change of the system (Ag) and the surroundings is . . . . . . . . J.K-1.
When one mole of super cooled liquid silver freezes at an ambient temperature of 1000 K, the total entropy change of the system (Ag) and the surroundings is . . . . . . . . J.K-1.
92. The heat capacity of diatomic ideal gas
93. For the reaction, A = X + Y, the respective concentrations are CA, CX and CY. The forward reaction rate constant is kf and the backward reaction rate constant is kb. Choose the correct statement from the following:
P. At equilibrium, kf CA > kB CxCy
Q. If the reaction is irreversible than, kb CXCY = 0
R. The backward reaction rate will essentially be first order, if the forward reaction rate is first order.
S. Activation energy for the first order forward reaction will be independent of temperature.
P. At equilibrium, kf CA > kB CxCy
Q. If the reaction is irreversible than, kb CXCY = 0
R. The backward reaction rate will essentially be first order, if the forward reaction rate is first order.
S. Activation energy for the first order forward reaction will be independent of temperature.
94. If, $$Y = {k_1}\left[ {1 - \exp \left( {\frac{{{k_2}\Delta x}}{{{k_3}x}}} \right)} \right],$$ where k1, k2 and k3 are constants. If k2ΔX < ΔX, the value of γ up to first order of approximation would be
95. Consider the reaction:
Fe3O4 (solid, pure) + CO (gas, 1 atm) → 3FeO (solid, pure) + CO2 (gas, 1 atm)
For this reaction, ΔG1200 = -8000 joules per mole of CO and R = 8.314 J mol-1 K-1.
The equilibrium ratio, $$\frac{{pc{o_2}}}{{pco}}$$ reaction at 1200 K and 1 atm is . . . . . . . .
Fe3O4 (solid, pure) + CO (gas, 1 atm) → 3FeO (solid, pure) + CO2 (gas, 1 atm)
For this reaction, ΔG1200 = -8000 joules per mole of CO and R = 8.314 J mol-1 K-1.
The equilibrium ratio, $$\frac{{pc{o_2}}}{{pco}}$$ reaction at 1200 K and 1 atm is . . . . . . . .
96. The activation energy for a reaction is 100 kJ/mole. The approximate increase in temperature required for doubling the rate of reaction from that at 25°C, is . . . . . . . . °C.
97. The concentration of a dissolved gas is directly proportional to the partial pressure of that gas
98. For a binary solution A - B, the α-function is given by $$\alpha = \frac{{\exp \left( x \right) - 1}}{X}$$ Where, X is the mole fraction of component A. The limiting value of a when X approaches zero, is
99. The portion or quantity of the universe/matter that is selected for study are separated from surrounding is
100. If a solid is compressed adiabatically in its elastic range, its
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