Specific heat capacity required practical questions (h)
4500
lise the graph to answer the following questions:
i) how much energy is needed to heat
up 1kg of water by 15°c?
3400
(2)
specific heat
capacity uveo
ii) how much energy is needed to heat
up a 15kg block of iron by 30°c?
(2)
1000
1000
400__
450_
iii) a 20kg concrete block is at 20°c & is
heated to 65°c. how much energy is
used to heat the block? convert your
answer to kilojoules (kl).
water
air
copper
tron
concrete
cotton
iv) a 250g copper pipe is heated from 10°c to 31°c.
(2)