A solid of mass 80 g at 80 C is dropped in 400 g water at 10 C. If final temp. is 30 C, find the sp. heat cap. of the solid. ((sp. heat cap. of water= 4200 J/kg C)

• A7636.36 J/Kg/K
• B8500 J/Kg/K
• C8400 J/Kg/K
• D4200 J/Kg/K

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