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Chemistry
Chemistry
Problem
The combustion of 10.0 g coke raised the temperature of 1.0 kg water from
10
∘
C
10^\circ\text{C}
1
0
∘
C
to
50
∘
C
50^\circ\text{C}
5
0
∘
C
. If specific heat of
H
2
O
\text{H}_2\text{O}
H
2
O
is 1 cal/g then the fuel value of coke is : a. 1000 cal b. 2000 cal c. 3000 cal d. 4000 cal
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