3. A blacksmith heated an iron bar to 1445°C. The blacksmith then tempered the metal by dropping it into 42 800 g of water that had a temperature of 22.0 °C. The final temperature of the system was 45°C. What was the mass of the bar?

3. A blacksmith heated an iron bar to 1445°C. The blacksmith then tempered the metal by dropping it into 42 800 g of water that had a temperature of 22.0 °C. The final temperature of the system was 45°C. What was the mass of the bar?

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

3. A blacksmith heated an iron bar to 1445°C. The blacksmith then tempered the metal by dropping it into 42
800 g of water that had a temperature of 22.0 °C. The final temperature of the system was 45°C. What was
the mass of the bar?

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