Posted by **lucylu** on Sunday, September 26, 2010 at 12:01am.

this is a text book question that i cannot figure out.

the decomposition of dimethyl ether at 510 degrees is a first-order process with a rate constant of 6.8*10^-4.

(CH3)2O(g)--> CH4(g) + H2(g) + CO(g)

if the partial pressure of (CH3)20 is 18kPa, what is its partial pressure after 1420sec.

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