Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
1st Edition
ISBN: 9780078945830
Author: Charles William McLaughlin, Marilyn Thompson, Dinah Zike
Publisher: Glencoe Mcgraw-Hill
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Chapter 5.1, Problem 9R
To determine

To estimate the change in the thermal energy of the water in a pond.

Expert Solution & Answer
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Answer to Problem 9R

Change in thermal energy, Q=42×105J

Explanation of Solution

Given data:

Mass of air in the room temperature, M=1000 kg

Specific heat, S=4200 J/(kg.°C)

Change in temperature, ΔT=1°C

Formula used:

Change in the thermal energy ( Q ),

  Q=M×S×(ΔT)

Calculation:

Change in the thermal energy ( Q ),

  Q=M×S×(ΔT)Q=1000×4200×1Q=42×105J

Conclusion:

Hence, the change in thermal energy is Q=42×105J .

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