study guides for every class

that actually explain what's on your next test

∆Hfus

from class:

AP Chemistry

Definition

∆Hfus refers to the heat of fusion, which is the amount of energy required to change a substance from its solid state to its liquid state at its melting point. In other words, it is the heat absorbed or released when a substance undergoes fusion.

"∆Hfus" also found in:

Practice Questions (5)

Find energy needed to convert 36 g ice to water vapor given the following data about water: ∆Hfus = 334 J/g, ∆Hvap = 2260 J/g.
What's ∆Hfus in J/mol for water given ∆Hfus = 334 J/g, ∆Hvap = 2260 J/g?
How much energy needed to convert 20 g of solid gold to liquid gold given the following information? ∆Hfus = 13.2 kJ/mol, ∆Hvap = 310.9 kJ/mol.
Given the following data about gold: ∆Hfus = 13.2 kJ/mol, ∆Hvap = 310.9 kJ/mol, what would be the enthalpy change when gold transitions from a liquid to a solid phase?
Given the following data about water: ∆Hfus = 334 J/g, ∆Hvap = 2260 J/g. How much energy does the reaction release when converting 36g of liquid water to solid ice?

© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.

Back

Practice QuizGlossary

Practice Quiz Guides