Physics 5054 · O Level · Specific heat capacity

Specific heat capacity — practice question

Fig. 4.1 presents the apparatus used to determine the specific heat capacity of a metal. The electric heater is turned on and delivers 17000 J of thermal energy (heat) to the metal block. Its temperature increases from $16\,^{\circ}\text{C}$ to $38\,^{\circ}\text{C}$. The block has a mass of 850 g. No energy is lost from the metal.
(a)[2]

Calculate the specific heat capacity of the metal.

(b)[1]

Calculate the heat capacity of the block of metal.

(c)[1]

Explain how thermal energy (heat) is conducted through the metal.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: Thus, $c = E / (mT) = 17000 / (22 \times 850)$

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