Worksheet

Introduction to Heat Calculations (Hfus and Hvap)

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About:

This printable thermochemistry worksheet walks high school students through heat calculations for phase changes. It includes a specific-heat review problem, guided notes on heat of fusion and heat of vaporization with formulas and step-by-step solving, and two practice problems (melting water and vaporizing water). Useful as in-class lesson notes, homework, or exam prep for chemistry units on energy and thermodynamics.

Subject:: Science
Topic:: Chemistry
Grade Level:: 9th – 12th Grades
Updated May 2026

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