Answered: Given that 158.05 g of solution…

Given that 158.05 g of solution increased in temperature by 4.82 "C. how much heat was gained by the solution? Assume the specific heat of the solution is the same as water, 4.184 J/g-°C.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

**Chemistry Experiment: Calorimetry and Dissolution Reaction**

**Problem Statement:**
A 8.05 g sample of an unknown salt (Molar Mass = 116.82 g/mol) is dissolved in 150.00 g of water in a coffee cup calorimeter. Before placing the sample in the water, the temperature of the salt and water is 23.72 °C. After the salt has completely dissolved, the temperature of the solution is 28.54 °C.

**Questions:**

**d.** Given that 158.05 g of solution increased in temperature by 4.82 °C, how much heat was gained by the solution? Assume the specific heat of the solution is the same as water, 4.184 J/g°C.

- *1 of 1 point earned*
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**e.** What is the total heat for the dissolution reaction of the 8.05 g of salt?

- *0 of 1 point earned*
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**f.** How many moles of the unknown salt were used in the reaction?

- *0 of 1 point earned*
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**g.** What is the enthalpy change in kJ/mol of salt for the dissolution reaction?

- *0 of 1 point earned*
- 10 attempts remaining

*Note: No graphs or diagrams are present in this section.*

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