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3. 2 mol of an ideal monoatomic gas moves from State 1 to State 2 P at constant pressure 1000 Pa and size V1=2 m3,V2 =3 m. C
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number of moles, n=2 At constant pressure, P = 12 = 1000 pa = 0.00987 atm , = 2 m² = 2000 L 1 Pa = 9.869 x 10 atm) (im? = 10For ideal go monoatomic gas, Cp = scal/molik cv = 3 cal/mol.k Q = nx Cp X AT = nx G x CT2-T1) = 2 molx scalx (180.23-120.22)AC = 7 x C x 4T AU= 2 mol x 3 cal/mol. kx (180.33 -120.22) K AU = 360.66 cal = 1509 J = 1.509 KJ. According to First law of T

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