24. Solution to Chemistry Problem
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- Using reference data (see appendix) on standard enthalpies of formation, standard entropies and standard Gibbs energies of formation, calculate for the reaction
NO2(g) H2(g)=N2(g) H2O(g)
at 298 K kJ/mol):
- Heat of reaction (ΔrН298),
- Change in entropy (ΔrS298),
- Change in Gibbs energy (ΔrG298) (through enthalpy and entropy),
- Value of the equilibrium constant (Kp).
Based on the obtained data, draw conclusions:
- On the nature of the reaction (endothermic or exothermic),
- On the direction of the reaction in an open system,
- On the shift in chemical equilibrium with increasing temperature,
- On the shift in chemical equilibrium with increasing pressure,
- On the nature of the change in the equilibrium constant with increasing temperature.
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