Be sure to answer all parts. As an EPA scientist studying catalytic converters a

Question

Be sure to answer all parts.

As an EPA scientist studying catalytic converters and urban smog, you want to find Kc for the following reaction:

2 NO2(g) N2(g) + 2 O2(g)   Kc = ?

Use the following data to find the unknown Kc:

1/2 N2(g) + 1/2 O2(g) NO(g) Kc = 4.8 × 10 10

2 NO2(g) 2NO(g) + O2(g) Kc = 1.1 × 105

Kc = ? × 10^? Be sure to answer all parts.

As an EPA scientist studying catalytic converters and urban smog, you want to find Kc for the following reaction:

2 NO2(g) N2(g) + 2 O2(g)   Kc = ?

Use the following data to find the unknown Kc:

1/2 N2(g) + 1/2 O2(g) NO(g) Kc = 4.8 × 10 10

2 NO2(g) 2NO(g) + O2(g) Kc = 1.1 × 105

Kc = ? × 10^?

Explanation / Answer

Multiply the first equation with 2 and reverse the reaction.

Add equation 1 and 2,

2NO2(g) + 2NO(g) <==> N2(g) + 2O2(g) + 2NO(g)

which gives,

2NO2(g) <===> N2(g) + 2O2(g)

Kc = (1.1 x 10^-5)(1/(4.8 x 10^-10)^2 = 4.77 x 10^13

Is the answer

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