Question

What is the unit of standard enthalpy of fusion or molar enthalpy of fusion?

• A. KJ Mol
• B. KJ per Mol
• C. Mol per KJ
• D. 1/KJ Mol

Answer 1

Answer:

B. KJ per Mol

The enthalpy change that occurs during melting of one mole of a solid substance in the standard state is called standard enthalpy of fusion or molar enthalpy of fusion, it is represented by the symbol ΔfusH–, the units of this are KJ per Mol.