I think it’ll be option B.
The heat that is released by the combustion of 3.5 moles of methane is 3115 kJ/mol.
<h3>What is a thermochemical equation?</h3>
A thermochemical equation is a reaction equation that incorporates the amount of heat lost/gained.
In this case, the reaction equation is; CH4 + O2 ----->CO2 + 2H2O dH = -890 kJ/mol
If 1 mole of methane releases 890 kJ/mol
3.5 moles of methane will release 3.5 moles * 890 kJ/mol/1 mole
= 3115 kJ/mol
Learn more about combustion reaction:brainly.com/question/12172040?
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Only CH4 is covalently bonded. All other compounds are ionic compounds.
So A is the answer.
Hope it helps!
I think it's C yea it's C