The molar heat capacity of solid aluminium is 24.4 J K −1 mol−1 at 25∘C. What is the change in internal energy when 1 mol of solid aluminium is heated from a temperature of 20∘C to 30∘C?   A) 102 kJ  B) 128 kJ  C) 153 kJ  D) 244 kJ

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