If 25.0 g of ammonium carbamate is placed in an empty chamber and heated to 100°C, what are the equilibrium concentrations of NH3 and CO2? Kc = 58.3 at 100°C.

If 25.0 g of ammonium carbamate is placed in an empty chamber and heated to 100°C, what are the equilibrium concentrations of NH3 and CO2? Kc = 58.3 at 100°C.

Ammonium carbamate decomposes into NH3 and CO2 when heated.
NH4(NH2CO2)(s) 2NH3(g) + CO2(g)

If 25.0 g of ammonium carbamate is placed in an empty chamber and heated to 100°C, what are the equilibrium concentrations of NH3 and CO2? Kc = 58.3 at 100°C.


a. [NH3] = 2.44 M; [CO2] = 4.88 M
b. [NH3] = 4.88 M; [CO2] = 2.44 M
c. [NH3] = 29.2 M; [CO2] = 14.6 M
d. [NH3] = 15.3 M; [CO2] = 7.64 M
e. [NH3] = 10.8 M; [CO2] = 5.40 M


Answer: b. [NH3] = 4.88 M; [CO2] = 2.44 M


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