9. At 760 K, acetaldehyde decomposes to carbon monoxide and methane:
CH3CHO→CH4 + CO
A plot of In [CH3CHO] versus time is linear. After 530 s, [CH3CHO] decreases to one
half of its initial value of 0.10 M.What is the rate law for the reaction?
(A) (B) (C) (D)
(E)