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Dinitrogen Tetroxide Partially Decomposes According to the Following Equilibrium N2\mathrm { N } _ { 2 }

Question 83

Multiple Choice

Dinitrogen tetroxide partially decomposes according to the following equilibrium: N2\mathrm { N } _ { 2 } O4\mathrm { O } _ { 4 } (g) ? 2NO22 \mathrm { NO } _ { 2 } (g) A 1.000 L flask is charged with 6.00 × 10-2 mol of N2\mathrm { N } _ { 2 } O4\mathrm { O } _ { 4 } .At equilibrium,3.21 × 10-2 mol of N2\mathrm { N } _ { 2 } O4\mathrm { O } _ { 4 } remains. KcK _ { c } for this reaction is ________.


A) 10.3 mol L-1
B) 1.74 mol L-1
C) 0.465 mol L-1
D) 2.42 × 10-2 mol L-1
E) 9.70 × 10-2 mol L-1

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