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10 August, 21:44

During a chemical change, substances react to form a new substance. Some signs of chemical change are gas formation, a change in color, or the production of heat. Do you think the reaction between calcium carbonate and vinegar is a chemical change? Why?

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  1. 11 August, 00:43
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    Reaction : -

    CaCO3 + CH3COOH → Ca (CH3COO) 2 + H2O + CO2

    Yes it is a chemical change as we know that chemical changes result in formation of new substances, and in this reaction calcium acetate, carbon dioxide, and water are produced.
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