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Chemistry
Marley Chapman
22 July, 09:03
What happens during every chemical change?
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Deangelo Peck
22 July, 11:03
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The molecules in the reactants interact to form new substances. In a physical change, like a state change or dissolving, no new substance is formed. Explain that another way to say that no atoms are created or destroyed in a chemical reaction is to say, "Mass is conserved."
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Declan Hurst
22 July, 11:28
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The chemical make-up changes.
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