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Thermodynamics question

2025 · 4 Apr · Shift 1 · Q9
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  5. /2025 · 4 Apr · Shift 1 · Q9

Thermodynamics question

2025 · 4 Apr · Shift 1 · Q9

JEE MainChemistryThermodynamicsMCQ+4 / −1
One mole of an ideal gas expands isothermally and reversibly from 10dm310 \mathrm{dm}^310dm3 to 20dm320 \mathrm{dm}^320dm3 at 300 K . ΔU,q\Delta \mathrm{U}, \mathrm{q}ΔU,q and work done in the process respectively are Given: R=8.3 J K−1 mol−1ln⁡10=2.3log⁡2=0.30log⁡3=0.48\mathrm{R}=8.3 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\ln 10=2.3\log 2=0.30\log 3=0.48R=8.3 J K−1 mol−1ln10=2.3log2=0.30log3=0.48
  1. A
    0,21.84 kJ,−1.726 J0,21.84 \mathrm{~kJ},-1.726 \mathrm{~J}0,21.84 kJ,−1.726 J
  2. B
    0,21.84 kJ,21.84 kJ0,21.84 \mathrm{~kJ}, 21.84 \mathrm{~kJ}0,21.84 kJ,21.84 kJ
  3. C
    0,1.718 kJ,−1.718 kJ0,1.718 \mathrm{~kJ},-1.718 \mathrm{~kJ}0,1.718 kJ,−1.718 kJ
  4. D
    0,−17.18 kJ,1.718 J0,-17.18 \mathrm{~kJ}, 1.718 \mathrm{~J}0,−17.18 kJ,1.718 J
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