Lecture 20. The d-Block Elements. VII-VIII B groups PhD. Halina Falfushynska.
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.
