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Chemical changes result in a new substance, but keep in

Which statement best describes the difference between a physical change and a chemical change?Responses A chemical change does
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Chemical changes result in a new substance, but keep in mind that no new atoms are created. Existing atoms rearrange as chemical
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Which of the following best describes a mixture?a) A pure substance with a fixed composition. b) A combination of two or more
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Which answer choices best indicate that a substance has experienced a chemical change?Select all that apply. when the substance
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2. asked by Aubrea colbert
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In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B2A ---> 3B How many molecules
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2. asked by Mark
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Which answer choices best indicate that a substance has experienced a chemical change?• when the substance changes forms •
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Ethan is observing chemical and physical properties of a substance. He heats asubstance and observes that the substance turns
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2. asked by Ali
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Ethan is observing chemical and physical properties of a substance. He heats a substance and observes that the substance turns
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2. asked by SoAestheticallyPleasing
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A chemist is studying an unknown substance and could break the substance into its elemental components only by using chemical
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In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B.How many molecules of
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2. asked by bb
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