General Knowledge - Chemistry - Discussion

Discussion Forum : Chemistry - Section 1 (Q.No. 23)
23.
The heat energy produced when the human body metabolises 1 gram of fat is
30 KJ
1 KJ
39 KJ
29 KJ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

Sumiya said:   8 years ago
1gm fat = 9.3kcal,
1 kcal = 4.2joules,
9.3kcal = 9.3*4.2 = 39.06kJ.
(2)

Munivel said:   8 years ago
Explain it clearly to understand.
(1)

Sumit kumar ojha said:   5 years ago
@All.

1 calorie = 4.2 joule is correct.
1-kilo calorie = 4.2 joule is wrong.

That's why 1 gram releases 9.3 kilocalorie of energy.
= 9.3 *kilo* 4.2 joule.
= 39.06 kilo joule.
=39.06 kJ.
(2)


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