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Review 1.A.5 Multiple Choice Test

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Review 1.A.5

9-12.PS1.A.5 Develop a model to illustrate that the release or absorption of energy from a chemical reaction system depends upon the changes in total bond energy.

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Products have lower chemical energy than the reactants

A reaction that gives off energy

A reaction that absorbs energy

Products have a higher chemical energy

Which of the following is exothermic

Energy is _______ when bonds break

Energy is _______ when bonds are formed

A student mixes baking soda and vinegar in a cup. They notice the cup feels cold to the touch. This reaction is _____

A student burns a strip on magnesium. The magnesium gives of a bright flame and heat. This reaction is ______.

When reactants have higher chemical energy than products the reaction is ______

Exothermic reaction containers will feel

Endothermic reaction containers will feel

Breaking bonds is ______

Making bonds is __________

If products have lower chemical energy than the reactants, the container will feel ____.

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