🧪 TheChemSolverUSNCO / General Chemistry
ThermodynamicsMCQ

The enthalpy of formation, ∆Hf˚, equals zero at 25 °C for which of the following in their standard sThermodynamics Chemistry Question

Question

The enthalpy of formation, ∆Hf˚, equals zero at 25 °C for which of the following in their standard states?

A.

elements

✓ Correct
B.

compounds

C.

gases

D.

solids

💬
Still have doubts about this question?
Practice more questions like this, completely free.

Practice USNCO / General Chemistry questions like this — free

4,000+ questions across AP Chemistry, USNCO, and IChO — all free, no signup required.