Heat Capacity
The heat capacity of a substance can be defined as the amount of heat required to change the temperature by a given amount the SI unit is joules per kelvin
The energy absorbed by the water is 105 joules
Given data:
mass of water = 5 grams
Change in temperature = 10 degrees from 15 degrees
The expression for the Quantity of heat is given by
Q = m x c x Δθ
Where m =mass
c = specific heat capacity and
Δθ = change in temperature
c = 4.2J/g/degrees
Q = 5 x 4.2 x (15 - 10)
Q = 5 x 4.2 x 5
Q = 105Joules
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