# chemistry

posted by
**Leslie** on
.

Can someone help me with this question?

what two conditions must be met by a thermochemical equation so that its standard enthalpy change can be given the symbol delta Hf?

posted by
**Leslie** on
.

Can someone help me with this question?

what two conditions must be met by a thermochemical equation so that its standard enthalpy change can be given the symbol delta Hf?