Use tabulated data to find the heat of combustion of 1 mole of propane, C 3 H

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Use tabulated data to find the heat of combustion of 1 mole of propane, C3H8, to form gaseous carbon dioxide and liquid water.

Strategy We will need values for the heats of formation of the reactants and products to determine the desired heat of combustion. First, we must write a balanced chemical equation for the process. Then, we can use Equation 9.12 to calculate the heat of the reaction (in this case the heat of combustion) by looking up heats of formation in the table in Appendix

Equation 9.12

= ; (product); - , (reactant); 1

E. The stoichiometric coefficients needed will be obtained from the balanced equation. Remember that the heat of formation of an element in its standard state—like the O2 in this equation—will always be zero.

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Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

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