Question

please solve the problem ​

Answer 1

Answer:

The heating value of a substance, usually a fuel or food, is the amount of heat released during the combustion of a specified amount of it. The calorific value is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions.

Answer 2

Answer:

Option B is the answer (i think), Because after calculation by the BODMAS rule the answer comes to be 71/40. I think there is a misprint in your book.

See to it please, Hope it helps champ :)

Step-by-step explanation: