Consider the following reaction: 4NH3(g) + 6NO(g) <--> 6H2O(g) +5N2(g) If the intial concentration of NH3(g) and NO(g) are 6.0M atequilibrium [N2] =2.50 M Calculate the equilibrium concentration ofNO(g) A) 2.5 M B) 2.0M C) 4.0 M D) 3.5 M E) 3.0M Consider the following reaction: 4NH3(g) + 6NO(g) <--> 6H2O(g) +5N2(g) If the intial concentration of NH3(g) and NO(g) are 6.0M atequilibrium [N2] =2.50 M Calculate the equilibrium concentration ofNO(g) A) 2.5 M B) 2.0M C) 4.0 M D) 3.5 M E) 3.0M
Explanation / Answer
4NH3(g) + 6NO(g) <--> 6H2O(g) +5N2(g) initial 6.0 M 6.0M 0 0 change -4x -6x 6x 5x equilibrium 6-4x 6-6x 6x 5x Given theequilibrium concentration of N2(g) is 0.25 M 5x = 2.5M x =(2.5 /5 ) = 0.5 Equilibriumconcentration of NO(g) is 6-6x = (6.0- 6 x 0.5) = 3.0 M The answer is E )