thermochemistry. second law of thermodynamics phd. halina falfushynska

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Rules for Manipulating Thermochemical Equations 1)If a reaction is reversed, the sign of ΔH rxn changes. 2)Changing the coefficients by a constant factor also changes ΔH rxn by the same factor. 3)The ΔH rxn can be used in a stoichiometric ratio.

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