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03-01-2018
Chemistry

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If a chemical change requires energy, which of the following could be the source of the energy? Select one: a. Settling the mixture for 20 minutes b. Adding more substance to the observed material c. Measuring mass from a beam balance d. Heating with a flame

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carlafossil320 carlafossil320

03-01-2018

d. Heating with a flame, as this would provide thermal energy to the solution/substance

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