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AP Chem > Thermochemical Equations: Accepted Conventions > Flashcards

Thermochemical Equations: Accepted Conventions Flashcards

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1
Q

Coefficients

A

Refer to numbers of moles of reactants and products involved. Acceptable to have fractional coefficients

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2
Q

Numerical value of ΔHrxn, ΔGrxn, ΔSrxn

A

Refer to numbers of moles of substances specified by relevant equation. Changes in amount of substances corresponds to one mole of reaction.

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3
Q

Physical states

A

Must be specified. (Because heat is absorbed/released in physical state changes) Each physical state of substance has different energy content

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4
Q

ΔHrxn and ΔSrxn

A

Regarded as temperature-independent

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AP Chem (22 decks)

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