Question

Acetaldehyde decomposes to methane and carbon monoxide according to the following balanced equation: CH3CHO → CH4 + CO In a particular experiment, the following kinetic data for the decomposition of acetaldehyde were obtained:

Time(s) 0 1000 2000 3000 4000

[CH3CHO] (M) 0.4940 0.1533 0.0907 0.0644 0.0499

What is the value of the rate constant at the temperature of this experiment? Give an answer with concentration units of molarity and time units of seconds.

Answer 1

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St 入! ブぞ d-t d CA CA o 494 0
concentration units of molarity is moles/litre
while the constant evaluated is second^-1

answer K = 1.17*10^-3 s^-1