8. A farrier left a metal bar in a room of constant temperature of 0°C. The temperature of the metal bar drops from 120°C to 55°C after 25 minutes. In how many minutes will the metal bar continue to cool from 55°C to 50°C? *

8. A farrier left a metal bar in a room of constant temperature of 0°C. The temperature of the metal bar drops from 120°C to 55°C after 25 minutes. In how many minutes will the metal bar continue to cool from 55°C to 50°C? *

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Temperature And The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 1P

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Concept explainers

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.

Question

8. A farrier left a metal bar in a room of constant temperature of 0°C. The
temperature of the metal bar drops from 120°C to 55°C after 25 minutes.
In how many minutes will the metal bar continue to cool from 55°C to 50°C? *
O A. 50. 3081 minutes
B. 5.0308 minutes
O C. 30. 5481 minutes
O D. 3.0548 minutes

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