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Chemistry
Aryana Cowan
13 July, 09:23
What is conserved in physical changes
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Juan Guerrero
13 July, 12:16
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Mass because Mass is always conserved in a physical change. Energy may be released or absorbed when a substance changes from one physical state to another. In a chemical change, a chemical reaction yields a completely new substance. A substance's particles are changed during a chemical reaction.
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