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Thermochemical Equations

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Is the following reaction endothermic or exothermic? Why?

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1. Is the following endothermic or exothermic? Why?

2.

What is the energy change of the following reaction?

Enthalpy of formation:

Liquid water: -285 kJ/mol

Solid water: -292 kJ/mol

Gaseous water: -242 kJ/mol

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About This Quiz & Worksheet

This quiz/worksheet assessment tool has been designed to help you quickly gauge your understanding of thermochemical equations. You must be able to explain different types of reactions and know how to write thermochemical equations to answer all questions on this quiz.

Quiz & Worksheet Goals

When you take this quiz, you will be measuring your ability to:

  • Differentiate between endothermic and exothermic equations
  • Understand the energy change of a given reaction
  • Relate how the enthalpy of combustion is measured for compounds
  • Recognize how a thermochemical equation would be written for a given example

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the lesson, such as details about endothermic and exothermic equations
  • Information recall - access the knowledge you've gained regarding the writing of thermochemical equations
  • Knowledge application - use your knowledge to answer a question about measuring the enthalpy of combustion for a compound

Additional Learning

If you're ready to learn more, you can do so with the lesson called Thermochemical Equations. This lesson provides the following information:

  • What a calorimeter is
  • What is considered when calculating how much energy has been transferred in a reaction
  • Examples of reaction calculations
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