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At 25°C, the Following Heats of Reaction Are Known:

question 76

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At 25°C, the following heats of reaction are known: H (kJ/mol)
2ClF + O2 Cl2O + F2O
167.4
2ClF3 + 2O2 Cl2O + 3F2O
341.4
2F2 + O2 2F2O
-43.4
At the same temperature, calculate H for the following reaction: At 25°C, the following heats of reaction are known: <font face= symbol ></font>H (kJ/mol)  2ClF + O<sub>2</sub> <font face= symbol ></font> Cl<sub>2</sub>O + F<sub>2</sub>O 167.4 2ClF<sub>3</sub> + 2O<sub>2</sub> <font face= symbol ></font> Cl<sub>2</sub>O + 3F<sub>2</sub>O 341.4 2F<sub>2 </sub>+ O<sub>2</sub> <font face= symbol ></font> 2F<sub>2</sub>O -43.4 At the same temperature, calculate <font face= symbol ></font>H for the following reaction:   A)  -217.5 kJ/mol B)  -108.7 kJ/mol C)  +217.5 kJ/mol D)  -130.2 kJ/mol E)  none of these


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