04 Question (2 points) Ammonium carbamate, NH4OCONHa decomposes to produce ammon

Question

04 Question (2 points) Ammonium carbamate, NH4OCONHa decomposes to produce ammonia and carbon dioxide. At 3 00 the value K, for this reaction is 25 1 x 10 3 NH,OCONH,(6)2NH,(8)+C0.(8) 2nd attempt Part 1 (1 point) See Periodic Table A large amount of solid ammonium carbamate is placed in a rigid container at 35.00 °C and allowed to come to equilibrium. What is the pressure of NH3 after equilibrium has been established? atm Part 2 (1 point) See Hint What is the pressure of CO2 after equilibrium has been established? atm

Explanation / Answer

                 NH4COONH2(s) -------------------> 2NH3 (g) + CO2(g)

at equilibrium                                                                          2x                 x

                                             Kp    = P^2NH3 * PCO2

                                             2.51*10^-3 = (2x)^2 *x

                                              4x^3            = 2.51*10^-3

                                                x ^3            = 2.51*10^-3/4   

                                                x^3               = 0.6275*10^-3

                                                  x                = 0.857*10^-1

                                                   x            = 0.0857

                  PNH3    = 2x = 2*0.0857   = 0.1714atm

                 PCO2   = x     = 0.0857atm

  

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