25. The kinetic energy of translation of 20 gm of oxygen at 47°C is (molecular wt. of oxygen is 32 gm/mol and R = 8.3 J/mol/K)
(a) 2490 joules (b) 2490 ergs
(c) 830 joules (d) 124.5 joules
Answer-a
(7)
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10. In pressure-volume diagram given below, the isochoric, isothermal, and isobaric parts respectively, are
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(a) BA, AD, DC (b) DC, CB, BA (c) AB, BC, CD (d) CD, DA, AB Explanation-(d) Process CD is isochoric as volume is constant, Process DA is isothermal as temperature constant and Process AB is isobaric as pressure is …