The gas-phase decomposition of acetic acid at 1189 K proceeds by way of two parallel reactions:   (1) CH3COOH ® CH4 + CO2​k1=3.74 s-1 (2) CH3COOH ® H2C=C=O + H2O​k2=4.65 s-1   Compute the percent yield of ketene (H2C=C=O) at this temperature.

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