20. Решение задачки по химии №20

2. The heat effects of reactions at 298 K and a constant pressure of 1.013*105 Pa are:
C O2=CO2 ΔH=-405.8 kJ
CO 1|2O2=CO2 ΔH=-284.5 kJ
H2 1/2=H2O(g) ΔH=-246.8 kJ
Calculate the heat effects of the following reactions under the same conditions:
C 2H2O(g)=Co2 2H2 ΔH1
C H2O(g)=CO H2 ΔH1

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