Answered: A 77.0 g piece of metal at 83.0°C is…

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

A 77.0 g piece of metal at 83.0°C is placed in 123 g of water at 21.0°C contained in a calorimeter. The metal and water come to the same temperature at 25.2°C. How much heat (in J) did the metal give up to the water? (Assume the specific heat of water is 4.18 J/g·°C across the temperature range.)

Expert Solution

Step 1: Determine the heat given by the metal to water from the given data:

Given,

mass of water = 123 g

mass of piece of metal = 77.0 g

Initial temperature of metal = 83.0 ^oC

Initial temperature of water = 21.0 ^oC

Final temperature = 25.2 ^oC

specific heat of water = 4.18 J/( g. ^oC )

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