Physics > 2015 > 19
WASSCE
A quantity of hot water at 100oC is added to 400g of water of 10oC until the temperature of the mixture is 60oC. Calculate the mass of the hot water added.
[Specific heat capacity of water = 4200JKg-1K-1]
[Specific heat capacity of water = 4200JKg-1K-1]
A.
200g
B.
320g
C.
400g
D.
500g
Answer: D
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