A given quantity of heat increases the temperature of 150grams of water from 9°C to 15°C and increases the temperature of oil of 100grams from 9°C to 25°C. The ratio of the specific heat of oil to that of water is

JAMB 1980

A given quantity of heat increases the temperature of 150grams of water from 9°C to 15°C and increases the temperature of oil of 100grams from 9°C to 25°C. The ratio of the specific heat of oil to that of water is

A. 0.36

B. 0.46

C. 0.56

D. 0.76

E. 0.86

Correct Answer: Option C

Explanation

Heat lost = heat gained

(MCΔθ)o = (MCΔθ)w

100 x Co x (25 – 9) = 150 x Cw x (15 – 9)

1600Co = 900Cw

Divide both sides by 1600Cw

1600Co/1600Cw = 900Cw/1600Cw

Co/Cw = 0.56

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About Teezab 1349 Articles
His Name is Tiamiyu Abdulbazeet Olawale. He is a student at the University of Ilorin studying Electrical and Electronics Engineering. He likes to give the latest updates about Nigeria and international institutions as he aims at helping people to lay their hands on the right information.

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