Hess's Law Practice Problems
Hess's Law practice with 15 problems in which students combine given reactions and their ΔH° values to find the heat of reaction at 298 K for each target equation.

- Grades
- Grades 8–12, Middle School, High School
- File type
- Microsoft Word
- Subject
- Science, Chemistry
- Topic
- chemistry practice, Hess's Law
- Resource types
- Worksheets & Printables, Worksheets
About this resource
What's inside this resource
This resource includes:
- 15 problems covering Hess's Law
- Students will be given equation: ΔHo/kJ values to determine the heat of reaction (kJ) at 298 K for the reactions listed.
Answers are included.
In the classroom
Teaching tips & learning objectives
Learning objectives
- Apply Hess's Law to combine reactions and calculate an overall heat of reaction
Skills covered
- Manipulating equations — arranging given reactions so they add up to the target equation
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Resource details
Concepts & topics
Core concepts
- Hess's Law
- Heat of reaction
- Enthalpy
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