A copper sphere of mass 400 gm is heated to 100° C and
introduced into a copper calorimeter containing 100 g 01 wala
20°С. Find the maximum temperature of the mixture is the mas
calorimeter is 200 gm and speoitic heat capacity of copper is 0.1 cal78
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Heat given = Heat taken
(100) (0.1) (T–75) = (100) (0.1) (45) + (170) (1) (45)
10 (T−75)= 450 + 7650
10 (T–75)=8100
(T–75)=8100/10
T−75=810
T=810+75
T=885∘C
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