The concentrations of reactants and products for a chemical reaction can be calc

Question

The concentrations of reactants and products for a chemical reaction can be calculated if the equilibrium constant for the reaction and the starting concentrations of reactants and/or products are known. Carbonyl fluoride, COF2, is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride, CF4 via the reaction 2COF2(g) CO2(g) + CF4(g), Kc = 8.40 If only COF2 is present initially at a concentration of 2.00 M, what concentration of COF2 remains at equilibrium? Express the molar concentration numerically. Consider the reaction CO(g) + NH3(g) HCONH2(g), Kc = 0.900 If a reaction vessel initially contains only CO and NH3 at concentrations of 1.00 M and 2.00 M, respectively, what will the concentration of HCONH2 be at equilibrium? Express the molar concentration numerically.

Explanation / Answer

2COF2 ----> CO2 + CF4 2-2X----------X------X K = 8.4 = X^2 / (2-2X)^2 => 2.9 = X / (2-2X) => X = 0.853 M [COF2] = 2-2X = 0.294 M

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.