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The molar heat capacity of a certain sub...

The molar heat capacity of a certain substance varies with temperature "T" as c = a + bT where a = 27.2 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

A

24,460 J

B

23,360 J

C

23,460 J

D

22,360 J

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