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April 16, 2014

Homework Help: chemistry

Posted by court on Sunday, March 25, 2012 at 2:29pm.

Many reaction involving heterogeneous catalysts are zeroth order, that is rate=k. An example is the decomposition of phosphine (PH3) over tungsten (w):

4Ph3---> P4 + 6H2

It is found That the reaction is independent of PH3. As lon 1 g as phosphine's pressure is sufficiently high >_

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