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s//session.masteringchemistry.com/myct/itemView?assignmentProble mID-89391696 HW Problem 16.93 e previous | 6 of 6 returm to a oblem 16.93 rt A what is G for the formation of solid uranium hexafluoride from uranium and fluonne at 25°C energy of formation of UF6(s) is -2068 k.J/mol U(s) + 3F2(g) UF6(s) Express your answer to four significant figures and include the appropriate units when the partialpressure of F0089 aim ? The standard fre 184 kJ mol Submit My Answers Give Up Incorrect; Try Again; 5 attempts remaining Part B Is the reaction spontaneous in the forward or the reverse direction under these conditions? s spontaneous in the forward direction spontaneous in the reverse direction

Explanation / Answer

part A

U(s) + 3F2(g) ---> UF6(s)

   DG0 = (-2068)-(0+3*0) = -2068 Kj/mol

DG = DG0+RTln(1/pF2^3)

     = (-2068*10^3)+(8.314*298)ln(1/0.089^3)

   DG = -2050.02 kj/mol

part B

glucose-1-phosphate ---> fructose-6-phosphate

DG0 = - 5.61 kj/mol

DG0 = - RTlnK

-5.61*10^3 = - 8.314*298lnk

k = 9.6

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