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The excessive production of ozone (O3) gas in the lower atmosphere causes rubber to deteriorate, green plants to turn brown, and persons with respiratory disease to have difficulty breathing. The reaction describing the formation of ozone from oxygen is shown below.3 O2(g) <==> 2 O3(g)Calculate Grxn at 300 K for this reaction in a flask where [O2] = 1.179 x 10-2 M and [O3] = 7.973 x 10-3 M.Assume G° = 326 kJ.Use molarity to construct the reaction quotient, and express your answer in kJ.

Question

The excessive production of ozone (O3) gas in the lower atmosphere causes rubber to deteriorate, green plants to turn brown, and persons with respiratory disease to have difficulty breathing. The reaction describing the formation of ozone from oxygen is shown below.

3 O2(g) <==> 2 O3(g)

Calculate Grxn at 300 K for this reaction in a flask where [O2] = 1.179 x 10-2 M and [O3] = 7.973 x 10-3 M.
Assume G° = 326 kJ.

Use molarity to construct the reaction quotient, and express your answer in kJ.

 

check_circleAnswer
Step 1

The change in Gibbs free energy for form...

AG AGRT InK
AG
AG° +RT ln
103 M)2
(1.179 x 10 M)
(7.973
AG326kJ8.314 J/ (mol. K)x300Kxln
X
-5
6.356x10
AG326kJ8.314 J / (mol. K)X300K xln
1.638x10
AG326J+0.008314 J / (mol. K)X300KX3.658
AG
335.125KJ
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AG AGRT InK AG AG° +RT ln 103 M)2 (1.179 x 10 M) (7.973 AG326kJ8.314 J/ (mol. K)x300Kxln X -5 6.356x10 AG326kJ8.314 J / (mol. K)X300K xln 1.638x10 AG326J+0.008314 J / (mol. K)X300KX3.658 AG 335.125KJ

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