A certain substance has a mass of 50g/mol. When 300J of heat is added to 25 gm of sample of this material, its temperature rises from 25 to 45°C. The thermal heat capacity of the substance is The specific heat capacity of the substance isThe molar heat capacity of the substance is

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25J/∘C

5J/∘C

15J/∘C

20J/∘C

300J/kg∘C

400J/Kg∘C

500J/Kg∘C

600J/kg∘C

30J/mol∘C

40J/mol∘C

20J/mol∘C

60J/mol∘C

answer is , , .

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Detailed Solution

Thermal heat capacity, C=QΔT=30020=15J/∘CSpecific heat capacity, S=QmΔT=3000.025×20=600J/kg∘CMolar heat capacity=QnΔT=3002550(20)=30J/mol∘C

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