Enthalpy: Energy Transfer in Physical and Chemical Processes


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question 1 of 3

_____ is a measure of the random motion of particles. _____ is the transfer of energy between two objects due to temperature difference.

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1. What is the main principle of the First Law of Thermodynamics?

2. Which statement is correct about heat?

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About This Quiz & Worksheet

Enthalpy refers to the transfer of energy during a chemical reaction. This quiz/worksheet combo will give you an overview of the process and how it works. You'll be tested on reactions and energy transfers.

Quiz & Worksheet Goals

Use these assessment tools to assess your knowledge of:

  • The definition of potential energy
  • What the First Law of Thermodynamics is
  • Specific characteristics of heat transfer
  • Exothermic reactions and what they do
  • How to calculate enthalpy change

Skills Practiced

This worksheet and quiz let you practice the following skills:

  • Defining key concepts - ensure that you can accurately define main terms such as potential energy and the First Law of Thermodynamics
  • Knowledge application - use your knowledge to answer questions about exothermic reactions and the transfer of heat during chemical reactions
  • Information recall - access the knowledge you've gained regarding the enthalpy change of reactions

Additional Learning

To learn more about the transfer of energy during chemical reactions, review the corresponding lesson called Enthalpy: Energy Transfer in Physical and Chemical Processes. This lesson covers the following objectives:

  • Introduces enthalpy change
  • Examines the characteristics of energy, heat, and temperature
  • Describes endothermic and exothermic reactions
  • Defines enthalpy