, 26.11.2019 11:31 rossy84

# Which sources are reliable? check all that apply. a. an article discussing mineral resources written by the united states geological survey b. a blog discussing sources of alternate energy written by a high school student an advertisement for guided hikes and tours in camping magazine c. a study describing clinical trials of a new medication in the journal of medicinal chemistry d. an entry about common uses of metals in an encyclopedia that can be edited by the general public

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Chemistry, 22.06.2019 00:30
Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1
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