*WILL GIVE BRAINLIEST TO CORRECT ANSWER * **QUESTION IS IN PICTURE**
2 answers:
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Answer: Option (C) is the correct answer.
Explanation:
In a substance, the total energy of its molecular motion is known as heat. Whereas when we measure the average energy of molecular motion of a substance then it is known as temperature.
So, any increase or decrease in temperature will lead to change in heat of a substance.
When one mole of a substance is burned then the amount of energy released in the form of heat is known as heat of combustion.
Relation between heat and temperature is as follows.
q =
Thus, we can conclude that to measure the enthalpy of combustion it cannot be measured, only calculated using the equation; q = .