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A copper block of volume 1 L is heat treated at 500°C and
Chapter 3, Problem 118HP(choose chapter or problem)
Problem 118HP
A copper block of volume 1 L is heat treated at 500°C and now cooled in a 200-L oil bath initially at 20°C, as shown in Fig. P3.118. Assuming no heat transfer with the surroundings, what is the final temperature?
FIGURE P3.118
Questions & Answers
QUESTION:
Problem 118HP
A copper block of volume 1 L is heat treated at 500°C and now cooled in a 200-L oil bath initially at 20°C, as shown in Fig. P3.118. Assuming no heat transfer with the surroundings, what is the final temperature?
FIGURE P3.118
ANSWER:
Solution 118 HP:
Step 1 of 2:-
Here we have to find the final temperature of the whole system.
The volume of copper block is,
.
So, the mass of the block is, .
The mass of the oil is, .
The temperature of the copper block was,
.
The temperature of the oil was,
.