What is the heat transferred from the system if the enthalpy of the output is 5 J and input is 10 J?
(a) -5 J
(b) -10 J
(c) -15 J
(d) 5 J
The question was posed to me in a national level competition.
I would like to ask this question from Merging Heat of Formation with Sensible Heat of Compound topic in division Application of Energy Balances in the Absence of Chemical Reactions and Energy Balances: How to Account for Chemical Reaction of Basic Chemical Engineering