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Chemistry, 28.01.2021 01:50 sabrikat

Two chemicals are combined in a beaker and react. What data would provide the best evidence for determining if the reaction absorbed or released thermal energy? A The masses of the substances before and after the reaction

B The temperature inside the beaker before and after the reaction

C Whether or not light and sound were produced during the reaction

D How long it took for the reaction to take place once the chemicals combined

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