Thermochemical Equations: Accepted Conventions Flashcards
1
Q
Coefficients
A
Refer to numbers of moles of reactants and products involved. Acceptable to have fractional coefficients
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.
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
4
Q
ΔHrxn and ΔSrxn
A
Regarded as temperature-independent