In Problem 22.10 the isomerization of cyclopropane over a limited pressure range was examined. If the Lindemann mechanism of first €“order reactions is to be tested we also need data at low pressures. These have been obtained (H.O. Pritchard, R.G. Sowden, and A.F. Trotman-Dickenson, Proc. R. Soc. A217, 563 (1953)):

Test the Lindemann theory with these data.

2.89 0.120 p/Torr 10 kas 84.1 11.0 0.569 0.067 0.303 0.857 0.392 2.98 2.23 1.54