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Nitrogen Trifluoride Decomposes to Form Nitrogen and Fluorine Gases According

Question 82

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Nitrogen trifluoride decomposes to form nitrogen and fluorine gases according to the following equation:
2NF3(g) Nitrogen trifluoride decomposes to form nitrogen and fluorine gases according to the following equation: 2NF<sub>3</sub>(g) N<sub>2</sub>(g) + 3F<sub>2</sub>(g) When 2.54 mol of NF<sub>3</sub> is placed in a 6.00-L container and allowed to come to equilibrium at 800 K,the mixture is found to contain 0.0434 mol of N<sub>2</sub>.What is the value of K<sub>p</sub> at this temperature? (R = 0.0821 L · atm · mol<sup>-1</sup> · K<sup>-1</sup>) A) 1.54 × 10<sup>-5</sup> B) 1.91 × 10<sup>-3</sup> C) 1.78 × 10<sup>-3</sup> D) 1.59 × 10<sup>-5</sup> E) 4.43 × 10<sup>-7</sup>
N2(g) + 3F2(g)
When 2.54 mol of NF3 is placed in a 6.00-L container and allowed to come to equilibrium at 800 K,the mixture is found to contain 0.0434 mol of N2.What is the value of Kp at this temperature? (R = 0.0821 L · atm · mol-1 · K-1)


A) 1.54 × 10-5
B) 1.91 × 10-3
C) 1.78 × 10-3
D) 1.59 × 10-5
E) 4.43 × 10-7

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