Is the heat required to convert 1 gram of a solid to a liquid at the melting point.
A Heat of condensation
B. Heat of fusion
C. Heat of vaporization
D. Heat of sublimation

80 cal · Answer · Solution Heat required = Mass of ice [latent heat of fusion + 8 profit of heat × temp change + Latent heat of boiling ] ⇒ΔH=1g[Lf​+8(ΔT)+Lv​] ΔH ...

Explanation:

C

B

Explanation:

The enthalpy of fusion of a substance, also known as heat of fusion is the change in its enthalpy resulting from providing energy, typically heat, to a specific quantity of the substance to change its state from a solid to a liquid, at constant pressure.

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.