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Copyright © 2014 by Thomas Edison State College. All rights reserved.
4.Consider the reactionA + B → productsFrom the following data obtained at a certain temperature, determine the order of thereaction and calculate the rate constant: (5 points)
5.Determine the overall orders of the reactions to which the following rate laws apply: (8 points)
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6.What is the half-life of a compound if 75 percent of a given sample of the compounddecomposes in 60 minutes? Assume first-order kinetics. 30 minutes.
2Copyright © 2014 by Thomas Edison State College. All rights reserved.
7.The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction:4PH3(g)P4(g) + 6H2(The half-life of the reaction is 35.0 s at 680°C. Calculate (a) the first-order rate constant for the reaction and (b) the time required for 95 percent of the phosphine to decompose. g)

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