7.2 Evidence of a Chemical Reaction
7.2 Evidence of a Chemical Reaction
7.2 Evidence of a Chemical Reaction
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<strong>7.2</strong> <strong>Evidence</strong> <strong>of</strong> a <strong>Chemical</strong> <strong>Reaction</strong><br />
• The molecules<br />
embedded in the plastic<br />
<strong>of</strong> a child’s<br />
temperature-sensitive<br />
spoon transform upon<br />
warming, and the color<br />
<strong>of</strong> the spoon changes.<br />
• Color changes are<br />
evidence that a<br />
chemical reaction has<br />
occurred.
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