A Sample of Ammonium Chloride Dissolves in Water,absorbing Heat from the Surrounding

question 34

Multiple Choice

A sample of ammonium chloride dissolves in water,absorbing heat from the surrounding water and causing the temperature to drop by 15 °C.If the heat change for the reaction is +200 J,what is the heat change for the surrounding water?

• A) 3,000 J·°C
• B) + 15 °C
• C) +200 J
• D) -200 J

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