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Physics

The heat capacity of a milk cooker is 450 JK-1. Calculate the rise in the temperature when it absorbs 9000 J of heat.

Calorimetry

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Answer

Given,

  • Heat capacity (C) = 450 J K-1
  • Heat absorbed (Q) = 9000 J

Let, rise in temperature be 'ΔT'.

As,

Q = C × ΔT

⇒ΔT=QC=9000450=20 K\Rightarrow \text {ΔT} = \dfrac{\text Q}{\text C} = \dfrac {9000}{450} = 20\ \text K

Hence, rise in the temperature is 20 K or 20 °C.

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