An equilibrium mixture in an 8.00 L vessel contains 1.60 mol NH3, 0.800 mol N2, and 1.20 mol H2. What is the value of Kc?
Consider the equilibrium N2(g) + 3H2(g) ⇌ 2NH3(g) at a certain temperature.
An equilibrium mixture in an 8.00 L vessel contains 1.60 mol NH3, 0.800 mol N2, and 1.20 mol H2. What is the value of Kc?
A)1.85
B)29.6
C)37.4
D)75.8
E)119
Consider the equilibrium N2(g) + 3H2(g) ⇌ 2NH3(g) at a certain temperature.
An equilibrium mixture in an 8.00 L vessel contains 1.60 mol NH3, 0.800 mol N2, and 1.20 mol H2. What is the value of Kc?
A)1.85
B)29.6
C)37.4
D)75.8
E)119
1 Answer
Apr 23, 2018
Explanation:
At equilibrium concentrations are
#["N"_2] = "0.8 mol"/"8.00 L" = "0.1 mol/L"# #["H"_2] = "1.2 mol"/"8.00 L" = "0.15 mol/L"# #["NH"_3] = "1.6 mol"/"8.00 L" = "0.2 mol/L"#
#"N"_2 + "3H"_2 rightleftharpoons "2NH"_3#
Equilibrium constant
#"K"_"c" = ["NH"_3]^2 / (["N"_2]["H"_2]^3)#
Where