
An automobile cooling system holds 18 L of water. How much heat does it absorb if its temperature rises from 15°C to 95°C?

Heat absorbed in an automobile cooling system.
Answer to Problem 9P
Solution:
Heat absorbed in an automobile cooling system is 6027840 J.
Explanation of Solution
Given:
is to be determined
of water is 4186 J/kgK
is mass
is density of water is 1000 kg/cu.m
is volume which is 18 L
is 95 C
is 15 C
Formula Used:
The formula used is the relation between temperature and specific heat from thermodynamics
Where,
is the heat transferred
is the specific heat
is the mass
is the final temperature
is the initial temperature
Calculation:
The mass of water is determined by the multiplying density
with volume
Volume
by the multiplying is 18 L. 1000 L is 1 cu.m. So18 L is 0.018cu.m.
Mass is now
kg
Inserting the given values in the heat capacity formula:
J
Chapter 14 Solutions
Physics: Principles with Applications
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