Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 6 - Sections 6.1-6.10 - Exercises - Review Questions: 29

Answer

To calculate $\Delta$$H$$^{\circ}_{rxn}$, subtract the enthalapies of formation of the reactants multiplied by the stoichiometric coefficients from the enthalpies of formation of the prodcuts multiplied by their stoichiometric coefficients.

Work Step by Step

$\Delta$$H$$^{\circ}_{rxn}$ $=$ $\Sigma n_p \Delta H^0_f$ $-$$\Sigma n_r \Delta H^0_f$
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