The reaction 2H2S( g )2H2( g ) S2( g ) K c 1 6710 7 at 800C is carried...

2H2S g 2H2 g S2 g 0150 0375 0 initial 01502x 0375 2x x ....

The reaction 2H2S(g)â‡Œ2H2(g)+S2(g) Kc=1.67Ã—10âˆ’7 at 800âˆ˜C is carried out with the following initial concentrations: [H2S] = 0.150...

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Chemistry

The reaction 2H2S(g)â‡Œ2H2(g)+S2(g)Kc=1.67Ã—10^âˆ’7 at 800âˆ˜C is carried out with thefollowing initial concentrations: [H2S] = 0.150 M , [H2] =0.375 M ,and [S2] = 0.00 M. Find the equilibrium concentrationofÂ Â [S2].

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2H2S(g) <--------------------> 2H2(g)Â Â +Â Â S2(g)

0.150Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 0.375Â Â Â 0Â Â Â Â ------------------------> initial

0.150-2xÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 0.375 +2xÂ Â Â Â x -------------------> equilibrium

Kc = [H2]^2 [S2]/[H2S]^2

Kc = (0.375 +2x)^2Â Â (x) / (0.150-2xÂ Â Â )^2

1.67 x 10^-7 = (0.375 +2x)^2Â Â (x) / (0.150-2xÂ Â Â )^2

4x^3 - 6.68 x 10^-7 x^2 + 0.141x -9.64 x 10^-8 = 0

by solving this equation

x = 6.84 x 10^-7

[S2] = x = 6.84 x 10^-7 M

equilibrium concentration = 6.84 x 10^-7 M

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The reaction 2H2S(g)â‡Œ2H2(g)+S2(g) Kc=1.67Ã—10âˆ’7 at 800âˆ˜C is carried out with the following initial concentrations: [H2S] = 0.150...

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Chemistry

The reaction 2H2S(g)â‡Œ2H2(g)+S2(g)Kc=1.67Ã—10^âˆ’7 at 800âˆ˜C is carried out with thefollowing initial concentrations: [H2S] = 0.150 M , [H2] =0.375 M ,and [S2] = 0.00 M. Find the equilibrium concentrationofÂ Â [S2].

Answer & Explanation Solved by verified expert

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The reaction 2H2S(g)â‡Œ2H2(g)+S2(g) Kc=1.67Ã—10âˆ’7 at 800âˆ˜C is carried out with the following initial concentrations: [H2S] = 0.150...

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Chemistry

The reaction 2H2S(g)â‡Œ2H2(g)+S2(g)Kc=1.67Ã—10âˆ’7 at 800âˆ˜C is carried out with thefollowing initial concentrations: [H2S] = 0.150 M , [H2] =0.375 M ,and [S2] = 0.00 M. Find the equilibrium concentrationofÂ Â [S2].

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The reaction 2H2S(g)â‡Œ2H2(g)+S2(g)Kc=1.67Ã—10^âˆ’7 at 800âˆ˜C is carried out with thefollowing initial concentrations: [H2S] = 0.150 M , [H2] =0.375 M ,and [S2] = 0.00 M. Find the equilibrium concentrationofÂ Â [S2].