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Elanso [62]
4 years ago
11

Coal and petroleum are alike in which fundamental way?

Chemistry
1 answer:
Dovator [93]4 years ago
5 0
Coal a is a chemical compound. It is pure carbon. You cannot separate carbon into other molecules without changing its chemical consitution.

Petroleum is a mixture of many chemical compounds, hydrocarbons, plus other elements. Petroleum components contain carbon, hydrogen, oxygen, nitrogen, sulfur, and some metal traces. The different compounds that consitute the petroleum can be separated by physical media like distillation.
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The value for the equilibrium constant for the reaction 2SO2(g)+O2(g) rightleftharpoons 2SO3(g) is 4.0*10^ 1 24 at 298K What wou
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Answer:

The value for the equilibrium constant for the reaction 2SO2(g)+O2(g)  2SO3(g)     Kc=4.0*10^24\\ at 298K .

What would be the value for the equilibrium constant for the following reaction at the same temperature?

2SO3(g)  2SO2(g)+O2(g)

Explanation:

The Kc value for the reverse reaction of the first reaction that is:

2SO2(g)+O2(g)  2SO3(g)     Kc=4.0*10^{24}\\

Kc=\frac{SO3^{2} }{SO2^{2}.O2 }

For the reverse reaction,

2SO3(g)  2SO2(g)+O2(g)

Kc=\frac{SO2^{2}O2 }{SO3^{2}. }

So, it is the inverse of the first Kc value.

Hence, the new Kc value is:

Kc=\frac{1}{4.0*10^{24} } \\    =2.5*10^{-25}

Answer is :

Kc=2.5*10^-25.

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