28.0 L of CO ₂ is produced on complete combustion of 16.8 L gaseous mixture of ethene and methane at 25° C and 1 atm. Heat evolved during the combustion process is _ _ _ _ _ k J. Given: Δ H c ~(CH₄)=-900~kJ~mol⁻¹ Δ H c ~(C₂H₄)=-1400~kJ~mol⁻¹

Chemical Thermodynamics: JEE Main 2023 Chemistry question

JEE Main 2023 · 25 Jan, Evening shift · Q24

JEE Main 202325 Jan, Evening shiftChemistryMediumChemical Thermodynamics84× since 2002

28.0 L of CO

_2

is produced on complete combustion of 16.8 L gaseous mixture of ethene and methane at 25

^\circ

C and 1 atm. Heat evolved during the combustion process is ___________ kJ. Given :

\mathrm{\Delta H_c~(CH_4)=-900~kJ~mol^{-1}}

\mathrm{\Delta H_c~(C_2H_4)=-1400~kJ~mol^{-1}}

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2023 Chemical Thermodynamics Question with Answer (25 Jan Evening shift, Q24) | JEE Arc