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Thermodynamics question

2023 · 8 Apr · Shift 2 · Q18
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Thermodynamics question

2023 · 8 Apr · Shift 2 · Q18

JEE MainChemistryThermodynamicsNumerical+4 / −1
For complete combustion of ethene. C2H4(g)+3O2(g)→2CO2(g)+2H2O(l)\mathrm{C}_{2} \mathrm{H}_{4}(\mathrm{g})+3 \mathrm{O}_{2}(\mathrm{g}) \rightarrow 2 \mathrm{CO}_{2}(\mathrm{g})+2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})C2​H4​(g)+3O2​(g)→2CO2​(g)+2H2​O(l) the amount of heat produced as measured in bomb calorimeter is 1406 kJ mol−11406 \mathrm{~kJ} \mathrm{~mol}^{-1}1406 kJ mol−1 at 300 K300 \mathrm{~K}300 K. The minimum value of TΔS\mathrm{T} \Delta \mathrm{S}TΔS needed to reach equilibrium is (−-−) ‾kJ\underline{\hspace{2cm}}\mathrm{kJ}​kJ. (Nearest integer) Given : R=8.3 J K−1 mol−1\mathrm{R}=8.3 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}R=8.3 J K−1 mol−1
Numerical answer
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