(chatquestion)...not a state pressure constant volume (3) w at adiabatic (AY w at isothermal AIPMT 2014 For the reaction : X,O4(0) 2X09) AU - 2.1 k cal, AS- 20 cal K-1 at 300 K 37. ndard Hence AG is :- (1) 2.7 k cal (3) 9.3 k cal e and eases afe 2- 2.7 k cal (4) 9.3 k cal AIIMS 2014 38.)7ASTotal 40 kJ / mol x K 2000 kJ / mol AH "sys 400 K %3D Find out value of AS system ? - 35 kJ/mol x K (3) - 40 kJ/mol x K (2) – 5 kJ/mol x K (4) - 5 kJ/mol xK Heat of sublimation of Na = x J Ionization energy of Na= y J Bond dissociation energy of Cl, = a J %3! e gain enthalpy of Cl = - b J Enthalpy of formation of NaCl = - c J Then what will be lattice energy of NaCl (***) a (1) b + 46 = -T0S sys (2) b - x+y+ c A4 =on-7 sya -+x+y+c (3Y b - a (4) c -X+y+c 59...(39)

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