Complete burning of 0.4 kg groundnuts is able to increase the temperature of 20 ml of water from 30$^circ$C to 70$^circ$C. What is the energy value of groundnut? (specific heat capacity of water is 4.2 J g¯1$^circ$C¯1)

DIGESTION IN HUMANS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Complete burning of 0.4 kg groundnuts is able to increase the temperature of 20 ml of water from 30

A	1.4 kJ
B	3.4 kJ
C	8.4 kJ
D	76.2 kJ

Explanation:

Detailed explanation-1: -The amount of heat gained or lost by a sample (q) can be calculated using the equation q = mc

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AP BIOLOGY

ANIMAL PHYSIOLOGY

DIGESTION IN HUMANS