1.

Calculate the nuber of KJ of heat necessary to raise the temperatures of 60g of Al from 35^@C to55^@C. Molar heat capacity of Al is 24 J mol^-1K^-1

Answer»

SOLUTION :`q=nCDeltaT=60/27xx24(55-35)J=1066.7 J=1.0667KJ=1.07kJ`


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