The standard enthalpies of formation of gaseous propyne (C3H4), propylene (C3H6), and propane (C3H8) are + 185.4,

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The standard enthalpies of formation of gaseous propyne (C3H4), propylene (C3H6), and propane (C3H8) are + 185.4, +20.4, and -103.8 kJ/mol, respectively.
(a) Calculate the heat evolved per mole on combustion of each substance to yield CO2(g) and H2O(g).
(b) Calculate the heat evolved on combustion of 1 kg of each substance.
(c) Which is the most efficient fuel in terms of heat evolved per unit mass?
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Chemistry The Central Science

ISBN: 978-0321696724

12th edition

Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward

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