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Chemistry, 24.03.2021 16:10 Worksmarter1703
Substance A and substance B were dissolved in two separate 100 mL beakers of water, which each started at a temperature of 25.1°C. The mixtures' temperatures were measured and recorded as shown in the table below. Substance Initial Temp. Final Temp. A 25.1°C 30.2°C B 25.1°C 20.0°C Which statement is a correct interpretation of the data? A. The dissolving of substance A released heat and the dissolving of substance B absorbed heat. B. The dissolving of substance B released heat and the dissolving of substances A absorbed heat. C. Only the dissolving of substance A absorbed heat. D. Only the dissolving of substance B released heat.
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