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# Multi-Step Problems with Changes of State

## Explains the calculation process when multiple changes of state are involved

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Multi-Step Problems with Changes of State

Explains the calculation process when multiple changes of state are involved.
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• Video

## Specific Heat, Heat of Fusion, and Heat of Vaporization

Indepth video explaining specific heat, heat of fusion, and heat of vaporization.
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## Enthalpy and Phase Changes

Illustrates the areas of a heating curve where phase changes occur. Discusses heat of fusion, heat of vaporization, and how to solve for the energy needed for phase changes.
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## Multi-Step Problems with Changes of State Quiz

Quiz on Multi-Step Problems with Changes of State Quiz
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