Solution: The heat of combustion of 10 g of coke is = 1000 g × 1 cal/g × (50-10) = 40000 calThe calorific value of coke = 4000010 = 4000 cal/g = 4 kcal/g

chem ques 03

Solution:

$T h e h e a t o f c o m b u s t i o n o f 10 g o f c o k e i s = 1000 g \times 1 c a l / g \times (50 - 10) = 40000 c a l T h e c a l o r i f i c v a l u e o f c o k e = \frac{40000}{10} = 4000 c a l / g = 4 k c a l / g$

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