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3. Butadiene (C4H) reacts with itself at 250 °C to form a dimer with the formula CxH12. 2 C.H. (g) →C3H12 (1) The reaction is

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2 C4M4 I2- ake la exprenn xate oder 2 der gm 2nd inihal conc ca4 0.400 M 40x M t 25min. 25X60s flom tefo t kt [A] 4xlox25X60

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