Chemistry

Problem

Consider the equilibria below, all at the same temperature. 1) D(g) ⇌ 2 E(g);

K_1 = 2.0\times10^{-2}

2) E(g) ⇌ F(g);

K_2 = \;?

The overall reaction D(g) ⇌ 2 F(g) has an equilibrium constant

K_{\text{overall}} = 5.0\times10^{1}

. What is the value of

K_2

? a)

2.5\times10^{3}

7.1\times10^{0}

5.0\times10^{1}

1.25\times10^{3}