3,2 Specific Heat Capacity
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Questions and Answers
- 1.
Define specific heat capacity
- 2.
Define heat capacity, or thermal capacity.
- 3.
Which part of this topic would you like to review in class?
- 4.
The thermal capacity of a 60 kg human is 210 kJ /°C . How much heat is lost from a body if its temperature drops by 2 °C?
- A.
210 kJ
- B.
312 kJ
- C.
420 kJ
- D.
840kJ
Correct Answer
C. 420 kJ -
- 5.
How much heat is required to raise the temperature of 250 g of copper from 20 °C to 160 °C?
- A.
12 200J
- B.
14 400 J
- C.
13 300 J
- D.
15 500 J
Correct Answer
C. 13 300 JExplanation
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- 6.
A 500 g piece of aluminium (SHC=900 J/kgC) is heated with a 500 W heater for 10 minutes. If the temperature of the aluminium was 20°C at the beginning, what will its temperature be after 10 minutes? Hint: first you must work out how much energy will be given to the aluminium in this time.
- A.
25 C
- B.
56 C
- C.
236 C
- D.
687 C
Correct Answer
D. 687 C -
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Mar 21, 2023Quiz Edited by
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Sep 01, 2013Quiz Created by
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