Question

Week 1 Assignment: Chemical Kinetics Introduction to Integrated Rate Laws 7 of 28> solve for concentration. The rate constant for a certain reaction is k = 9.00x10-3 s-1 、 If the initial reactant concentration was 0.200 M, what will the concentration be after 19.0 minutes? A car starts at mile marker 145 on a highway and drives at 55 mi/hr in the direction of decreasing marker numbers. What mile marker will the car reach after 2 hours? Express your answer with the appropriate units. View Available Hint(s) This problem can easily be solved by calculating how far the car travels and subtracting that distance from the starting marker of 145 55 mi/hr x 2 hr 110 miles traveled milemarker 145-110 miles milemarker 35 Value Units If we were to write a formula for this calculation, we might express it as follows Submit Figure <1012 > Part B A zero-order reaction has a constant rate of 4.40x10-4 M/s- lf after 70.0 seconds the concentration has dropped to .00x102 M, what was the initial concentration? Express your answer with the appropriate units. View Available Hint(s) alue Units time Submit

Answer 1

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