Ice of mass 10g at 5 C was completely converted... - WAEC Physics 2013 Question
Ice of mass 10g at 5°C was completely converted to water at 0oC, calculate the quantity of heat used. [specific heat capacity of ice = 2.1 Jg\(^{-1}\)K\(^{-1}\), specific latent heat of fusion of ice = 336 Jg\(^{-1}\)]
A
105J
B
3255J
C
3465J
D
16821J
correct option: c
Q = ML + MC\(\theta\)
= 10 x 335 + 10 x 2.1 x 5
= 3465J
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