Consider the following reaction: 4NH3(g) + 6NO(g) <--> 6H2O(g) +5N2(g) If the in

Question

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 )      

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