8. Thermochemistry
Hess's Law
Problem 63
Textbook Question
Textbook QuestionCalculate the enthalpy change for the reaction P4O61s2 + 2 O21g2 ¡ P4O101s2 given the following enthalpies of reaction: P41s2 + 3 O21g2 ¡P4O61s2 H = -1640.1 kJ P41s2 + 5 O21g2 ¡P4O101s2 H = -2940.1 kJ
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