6 Questions |
By Gboulton | Last updated: Oct 9, 2013
| Total Attempts: 59
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Questions and Answers
Define specific heat capacity
Define heat capacity, or thermal capacity.
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?
How much heat is required to raise the temperature of 250 g of copper from 20 °C to 160 °C?
14 400 J
13 300 J
15 500 J
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.
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