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  3. 3 the molar heat capacity of a certain substance v

3 The molar heat capacity of a certain substance varies with temperature T as c...

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3 The molar heat capacity of a certain substance varies with temperature T as c a bT where a 27 2 J mol K 1 and b 4 x 10 3 J mol 1 K 2 Then the heat necessary to change the temperature of 2 moles of this substance from 27 C to 427 C is nearly 1 24 460 J 3 23 460 J 2 23 360 J 4 22 360 J

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