The heat energy obtained on burning 2 kg of hydrogen, coal, and petrol

1.	The heat energy obtained on burning 2 kg of hydrogen, coal, and petrol are given below: Hydrogen- 3×108 J Coal- 6×107 J Petrol- 9×107 J Arrange these fuels in the ascending order of their calorific values.
Answer» The heat energy obtained on burning 2 kg of hydrogen, coal, and petrol are given below: Hydrogen- $3 \times 10^{8}$ J Coal- $6 \times 10^{7}$ J Petrol- $9 \times 10^{7}$ J Arrange these fuels in the ascending order of their calorific values.

The heat energy obtained on burning 2 kg of hydrogen, coal, and petrol are given below: Hydrogen- 3×108 J Coal- 6×107 J Petrol- 9×107 J Arrange these fuels in the ascending order of their calorific values.

Answer»

The heat energy obtained on burning 2 kg of hydrogen, coal, and petrol are given below:

Hydrogen- $3 \times 10^{8}$ J

Coal- $6 \times 10^{7}$ J

Petrol- $9 \times 10^{7}$ J

Arrange these fuels in the ascending order of their calorific values.