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95. Solving a chemistry problem
Content: 24.rar 88,72 kB
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24. At temperature T, calculate according to the Kirchhoff equation using true and average isobaric heat capacities, the thermal effect of the reaction and the change in entropy as a result of the reaction (see table).
2. At temperature T and total pressure P (see table), calculate by the entropy method the equilibrium constant of the reaction Kp and the composition of the equilibrium mixture, if the amounts of substances in the initial mixture (in mol) are equal to their stoichiometric coefficients in the reaction equation.
3. Explain in which direction the equilibrium of the reaction under consideration shifts:
a) when the temperature rises;
b) with increasing pressure.
Instruction. When calculating the Gibbs energy, use the values of the thermal effect of the reaction and the change in the entropy of the reaction, obtained using the average heat capacities.
Option T, K P*10-5, Pa Reaction
24 800 1.013 C2H4* 3O2 ↔ 2CO2 2H2O
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