JEE Advanced 2015 Paper 1 Chemistry Q20

Chemistry · The First Law & Thermochemistry · The Second & Third Laws · Free Energy & Chemical Equilibrium · Gases, Kinetic Theory & Transport

Problem

Match the thermodynamic processes given under Column I with the expressions given under Column II. Column I — A: Freezing of water at 273 K273\,\mathrm K and 1 atm1\,\mathrm{atm}; B: Expansion of 1 mol of an ideal gas into a vacuum under isolated conditions; C: Mixing of equal volumes of two ideal gases at constant temperature and pressure in an isolated container; D: Reversible heating of HX2(g)\ce{H2(g)} at 1 atm1\,\mathrm{atm} from 300 K300\,\mathrm K to 600 K600\,\mathrm K, followed by reversible cooling to 300 K300\,\mathrm K at 1 atm1\,\mathrm{atm} Column Ii — P: q=0q=0; Q: w=0w=0; R: ΔSsys<0\Delta S_{\rm sys}<0; S: ΔU=0\Delta U=0; T: ΔG=0\Delta G=0

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