Explain substances has a standard heat of formation of zero

Reference no: EM13337650

Which of the following substances has a standard heat of formation of zero? A. pb @ 1000 degrees C B. C3H8 @ 25.0 C and 1 ATM pressure C. Solid glucose @ room temperature D.N2 @ 25.0 and 1 atm pressure I know the answers are for sure not B (by itself) and C (byitself) and its not B and C together either

Reference no: EM13337650

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