A chemical system within a sealed 1.0 L reaction vessel is described by the following reversible reaction equation: 2H2S(g) ⇌ 2H2(g) + S2(g) The equilibrium constant for this system is 4.200 x 10-6 at 1103 degrees K. a) What is the initial reaction quotient, Q? Explain. b) Calculate the equilibrium concentration of sulphur gas if 0.070 mol of hydrogen sulphide gas is initially placed in the reaction vessel.

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Chapter12: Chemical Equilibrium
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Problem 53QRT: Consider the equilibrium N2(g)+O2(g)2NO(g) At 2300 K the equilibrium constant Kc = 1.7 103. If 0.15...
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A chemical system within a sealed 1.0 L reaction vessel is described by the following
reversible reaction equation:
2H2S(g) ⇌ 2H2(g) + S2(g)


The equilibrium constant for this system is 4.200 x 10-6 at 1103 degrees K.
a) What is the initial reaction quotient, Q? Explain.

b) Calculate the equilibrium concentration of sulphur gas if 0.070 mol of hydrogen sulphide
gas is initially placed in the reaction vessel.

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