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On a cold winter's day heat leaks slowly out of a house at
Chapter 18, Problem 69P(choose chapter or problem)
Problem 69P
On a cold winter's day heat leaks slowly out of a house at the rate of 20.0 kW. If the inside temperature is 22 °C, and the outside temperature is −14.5 °C, find the rate of entropy increase.
Questions & Answers
QUESTION:
Problem 69P
On a cold winter's day heat leaks slowly out of a house at the rate of 20.0 kW. If the inside temperature is 22 °C, and the outside temperature is −14.5 °C, find the rate of entropy increase.
ANSWER:
Step 1 of 2
Here, we have to find out the change in entropy of the system.
The equation for the change in entropy is,
--------------------(1)
Where, - Change in heat
- temperature of the system
The rate of entropy change can be represented by using the equation,
Where, - time