For which of the reactions below does Kc (calculated using concentrations) equal KP (calculated using pressures)?
A)N2(g) + O2(g) ←→ 2NO(g) Kp = 2 x 10-2
B)P4(g) + 5O2(g) ←→P4O10(s) Kc = 0.05
C)CH4(g) + 2O2(g) ←→CO2(g) Kp = 6 x 103
D) Br2(g)←→2Br(g) Kp = 9 x 10-15
Answer A
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