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21. Nitrogen trifluoride decomposestoform nitrogen and fluorine gases according tothe following equatioec When 1.82 mol of NF, is placed in a 3.00 L container and allowed to come to equilibrium at 800 K, the mixture is found to contain 0,0261 mol ofN. What is the value of k, at this temperature? 398 x 10* 22. A red blood cell placed in pure water will swell because water. A) the osmotic is gearer in the cell than the cel to a lower B) water moves from a higher than in the in the water D) the vapor pressure the water in the is greater t the vapor pressure of pure water. of same the cell and the water. cell E) the oemotic pressure is the in pressure changen at constant would not be affected by Which of the following equilibria D) cacoku) A) cough in 258 E of Ca,NO, 24. A solution consisting of 0.182 mel of methylbenzeme.cdH CH, nitrobenzeme. or the freezing point depression 1.1 c. Pure What is the vapor pressare at 20 ideal solution prepared by the addition of 761 gofthe methanol Cofan The vapor pressure of pure unea coNHah, to 573sof CHoll? 89.0 mmHg E) 177 mmHg D) 587 mmHg
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1.82 mol 0.607 M 3.00 L 21) Initial concentration of NF, [NE Equilibrium 2NE (g) Ini N2(g) + 3F (g) itial (M 0.607 Change (M)

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