Langmuir adsorption isotherm for the dissociative adsorption of D2 is (p = partial pressure of D2 and k = ratio of rate constants for adsorption and desorption)
1
\(\theta=\frac{\mathrm{kp}}{1+\mathrm{kp}}\)
2
\(\theta=\frac{k}{1+k p}\)
3
\(\theta=\frac{(\mathrm{kp})^{1 / 2}}{1+(\mathrm{kp})^{1 / 2}}\)
4
\(\theta=\left[\frac{\mathrm{p}}{1+\mathrm{kp}}\right]^{1 / 2}\)
5
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