The decomposition of solid ammonium carbamate, (NH_(4))(NH_(2)CO_(2)), to gaseous ammonia and carbon dioxide is an endothermic reaction. 9NH_(4))(NH_(2)CO_(2)))(s)hArr2NH_(3)(g)+CO_(2)(g) (a) When solid (NH_(4))(NH_(2)CO_(2)) is introduced into and evacuated flask at 25^(@)C, the total pressure of gas at equilibrium is 0.3 atm. What is the value of K_(p) "at" 25^(@)C? (b) Given that the decomposition reaction is at equilibrium. how would the following changes affect the total quatity of NH_(3) in the flask once equilibrium is re-established? (i) Adding CO_(2) (ii) Adding (NH_(4))(NH_(2)CO_(2)) (iii) Removing CO_(2) (iv) Increasing the total volume (v) Adding neon (vi) Increasing the temperature

The decomposition of solid ammonium carbamate, (NH_(4))(NH_(2)CO_(2)),

1.	The decomposition of solid ammonium carbamate, (NH_(4))(NH_(2)CO_(2)), to gaseous ammonia and carbon dioxide is an endothermic reaction. 9NH_(4))(NH_(2)CO_(2)))(s)hArr2NH_(3)(g)+CO_(2)(g) (a) When solid (NH_(4))(NH_(2)CO_(2)) is introduced into and evacuated flask at 25^(@)C, the total pressure of gas at equilibrium is 0.3 atm. What is the value of K_(p) "at" 25^(@)C? (b) Given that the decomposition reaction is at equilibrium. how would the following changes affect the total quatity of NH_(3) in the flask once equilibrium is re-established? (i) Adding CO_(2) (ii) Adding (NH_(4))(NH_(2)CO_(2)) (iii) Removing CO_(2) (iv) Increasing the total volume (v) Adding neon (vi) Increasing the temperature
Answer» Solution :`(NH_(4))(NH_(2)CO_(2))(S)hArr2NH_(3)(g)+CO_(2)(g)` 2P P Total pressure`=2P+P=0.3` `P=0.1`atm `K_(P)=(2P)^(2)P=4P^(3)` `=4XX10^(-3) atm^(3)`