What Is the Enthalpy Change (In KJ)of a Chemical Reaction

question 8

Multiple Choice

What is the enthalpy change (in kJ) of a chemical reaction that raises the temperature of 250.0 mL of solution having a density of 1.25 g/ml by 7.80°C? (The specific heat of the solution is 3.74 J/g∙K.)

• A) -7.43 kJ
• B) -12.51 kJ
• C) 8.20 kJ
• D) -9.12 kJ
• E) 6.51 kJ

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