Ammonium carbamate, NH4CO2NH2, is a salt of carbamic acid that is found in the blood and urine of mammals. When heated in a closed container, it decomposes and establishes the following equilibrium: NH4CO2NH2(s) ⇌ 2NH3(g)+ CO2(g) A 7.80-g sample of solid ammonium carbamate was introduced into an evacuated, sealed 5.00-L container,and the sample decomposed and established equilibrium at 25oC. (a) If the total gas pressure of the equilibrium mixture was 0.27 atm, determine the equilibrium partial pressures PNH3 and PCO2. (b)What is the Kp for the above reaction at 25oC? (c) How many grams of solid ammonium carbamate remains at equilibrium?

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