General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN: 9781305580343
Author: Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher: Cengage Learning
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Question

For the experiment of Investigating Entropy

Trail 1: NaOH: 2.037g, H2O: 50.038mL, inital temperature: 21.4°C, and final temperature: 29.2°C.

Trail 2: NaOH: 2.074g, H2O: 50.017mL, inital temperature: 23.1°C, and final temperature: 30.9°C

Trail 3: NaOH: 2.028g, H2O: 50.012mL, inital temperature: 22.9°C, and final temperature: 32.0°C

To determine the average enthalpy change (kJ / mol) for the dissolution process.

a. Find Delta*T for each

b. Find qsurroundings (remember q surroundings = qcal+qwater)

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