Explain what is the enthalpy change

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Consider: 2 B5H9 (g) + 12 O2 (g) ? 5 B2O3 (g) + 9 H2O (g) ?H?reaction= - 8687 kJ. What is the enthalpy change when 0.2500 moles of B5H9 are combusted?

Reference no: EM13332524

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