Test – Chemical Energy Reactions

Table of Contents
Chemistry Questions – Chemical Energy Reactions

1 #

Give another term for thermal energy.

2 #

Define:

a an exothermic reaction

b an endothermic reaction

3 #

In reaction B, the water in the beaker gets warmer. Why?

4 #

In D, the water under the beaker freezes. Why?

5 #

Draw and label an energy level diagram for:

a an endothermic reaction

b an exothermic reaction

6 #

All chemicals contain chemical energy. Where is it stored?

7 #

In B some chemical energy is being changed into thermal energy. Do you think this statement is correct? Explain.

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