AP Chemistry· difficulty 3/5
For A(g) <-> B(g) + C(g), Kc = 0.040 with the ICE table shown.
If x is small relative to 1.0, what is x approximately?
0.040
0.50
0.20
0.0040
Explanation
Kc ~ x*x/1.0 = x^2 = 0.040, so x = sqrt(0.040) = 0.20 (small-x approximation).
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