Question

Calculate the calorific value of a fuel which produces 63,000 of heat energy on 7.5 kg. brining ​

Answer 1

Answer:

Explanation:

Calorific value of the fuel is a measure of energy given out by the combustion of the whose mass is given. It is expressed in Joules per kilogram.

Calorific value of fuel = k

Mass of the fuel = 7.5 kg

Energy released during combustion of 7.5 kg of fuel = 60,000 kJ=6.0\times 10^7 J6.0×10

7

J

k=\frac{\text{Energy released on combustion(J)}}{\text{Mass of the fuel (kg)}}k=

Mass of the fuel (kg)

Energy released on combustion(J)

k=\frac{6\times 10^7 J}{7.5 kg}=8.0\times10^6 J/kgk=

7.5kg

6×10

7

J

=8.0×10

6

J/kg

The calorific value of fuel is 8.0\times10^6 J/kg8.0×10

6

J/kg .