Latent Heat: Definition, Formula & Examples


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What is the heat per unit mass required for a substance to change phases?

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1. The latent heat of sublimation refers to which phase change?

2. What two properties determine the amount of heat needed for a phase change to occur?

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About This Quiz & Worksheet

Latent heat is an important concept to know in the study of phase changes, and this quiz/worksheet will help you test your understanding of it as well as related scientific principles.

Quiz & Worksheet Goals

In these assessments you'll be tested on the effects, components and properties of:

  • Latent heat
  • Phase changes
  • Mass
  • Sublimation

Skills Practiced

  • Distinguishing differences - ensure that you can differentiate between properties that do and do not determine the amount of heat required for a phase change
  • Reading comprehension - ensure that you draw the most important information from the lesson regarding the effects and requirements of phase changes
  • Information recall - access the knowledge you've gained regarding the units of latent heat

Additional Learning

To learn more about latent heat and phase changes, review the accompanying lesson titled Latent Heat: Definition, Formula & Examples. This lesson covers the following objectives:

  • Understand what constitutes a phase change
  • Define and know the equation for latent heat
  • Differentiate between the latent heat of fusion, vaporization, and sublimation
  • Further understand latent heat through provided examples