A 5.00 g sample of an unknown salt is dissolved in 50.0 mL of water. During dissolution, the temperature of the solution increases from 24.53 oC to 26.82 oC. Which statement(s) is(are) true? qsurroundings > 0 qsystem < 0 qsystem > 0 qsurroundings < 0

A 5.00 g sample of an unknown salt is dissolved in 50.0 mL of water. During dissolution, the temperature of the solution increases from 24.53 oC to 26.82 oC. Which statement(s) is(are) true? qsurroundings > 0 qsystem < 0 qsystem > 0 qsurroundings < 0

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter10: Solutions

Section: Chapter Questions

Problem 78QAP: A gaseous solute dissolves in water. The solution process has H=15 kJ. Its solubility at 22C and...

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Question

A 5.00 g sample of an unknown salt is dissolved in 50.0 mL of water. During dissolution, the temperature of the solution increases from 24.53 ^oC to 26.82 ^oC. Which statement(s) is(are) true?

q_surroundings > 0

q_system < 0

q_system > 0

q_surroundings < 0

(You can choose more than one)

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