Worksheet 2 - Equilibria
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Determine the equilibrium constant for the reaction below given the equilibrium concentrations of the reactant and products:
A. 2 NO2(g) 2 NO(g) + O2(g) @ 25 °C
Equil. (atm): 0.10 0.0015 0.051
Determine the equilibrium concentrations for the reactant(s) and product(s) of the following systems:
B. CH3COOH(aq) + H2O(l) H3O+(aq) + CH3COO–(aq) Keq = 1.8´10–5 @ 25 °C
Initial (M): 0.050 0 0.20
C. H2 (g) + Br2 (g) 2HBr (g) Keq = 1.6 × 105
Initial (atm): 0 0 10
D. N2(g) + 3 H2(g) 2 NH3(g) Keq = 0.040 @ 650 °C
Initial (atm): 0.15 0.25 0
E. 2 NO(g) + O2(g) 2 NO2(g) Keq = 4.2´1012 @ 25 °C
Initial (atm): 5.0 5.0 0
Equil. (atm):