Explaining Why Reactions Occur
Scientists use theories to explain natural phenomenon. These explanations are a result of many experimental observations. Theories can be modified or discarded if the experimental evidence requires.
In this lesson we will study the best theory scientists have that explains why chemical reactions occur and the energy changes during reactions.
In this lesson we will study the best theory scientists have that explains why chemical reactions occur and the energy changes during reactions.
Take notes on the following videos.
Read and take notes on the document to the right.
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Complete the following exercise.
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