Nitrogen Trifluoride Decomposes at to Form Nitrogen and Fluorine Gases $\times$

question 9

Multiple Choice

Nitrogen trifluoride decomposes at to form nitrogen and fluorine gases according to the following equation:

6.00-L reaction vessel is initially charged with 1.96 mol of NF₃ and allowed to come to equilibrium at 800 K.Once equilibrium is established,the reaction vessel is found to contain 0.0380 mol of N₂.What is the value of K_p at this temperature? (R = 0.0821 L.atm.mol.K)

• A) 1.53 \(\times\) 10^-5
• B) 1.91 \(\times\) 10^-3
• C) 1.76 \(\times\) 10^-3
• D) 1.59 \(\times\) 10^-5
• E) 4.43 \(\times\) 10^-7

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