At a certain temperature the rate of this reaction is first order in HI with a rate constant of 7.09 s 2HI (g) - H, (g) +1, (g) Suppose a vessel contains HI at a concentration of 0.350M. Calculate how long it takes for the concentration of HI to decrease by 83.0%. You may assume no other reaction is important. Round your answer to 2 significant digits. Submit Assign MacBook Air F7 吕口。 D00 F4 F5 F3

At a certain temperature the rate of this reaction is first order in HI with a rate constant of 7.09 s 2HI (g) - H, (g) +1, (g) Suppose a vessel contains HI at a concentration of 0.350M. Calculate how long it takes for the concentration of HI to decrease by 83.0%. You may assume no other reaction is important. Round your answer to 2 significant digits. Submit Assign MacBook Air F7 吕口。 D00 F4 F5 F3

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

-1 At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.0482 s H,CO3 (aq) → H,O (aq)+ CO, (aq) Suppose a vessel contains H,CO, at a concentration of 0.300M. Calculate how long it takes for the concentration of H,CO, to decrease by 88.0%. You may assume no other reaction is important. Round your answer to 2 significant digits. S x10
Please show all work!
The following data were collected for the reaction: 2A > 4B + C Time Concentration of A Concentration of B (minutes) (moles/L) (moles/L) 1.000 0.000 10 0.800 0.400 20 0.667 0.677 30 0.571 0.858 40 0.500 1.000 50 0.444 1.112 1. Make a graph of the concentrations of A and B versus time. Estimate the rate of disappearance of A and the rate of formation of B at t= 25 min and at t= 40 min. Compare the rates of disappearance of A and formation of B. What would you expect the rate of formation of C to be at t= 25 min and t=40 min? 2. Determine graphically whether the reaction in #1 above is a first order or a second order reaction. Calculate the rate constant for the reaction.
A chemical engineer is studying the rate of this reaction. NH,OH (aq) - Nн, (аq)+ н,о (аq) She fills a reaction vessel with NH,OH and measures its concentration as the reaction proceeds. Here's a graph of her data: 0.2 0.15 0.1 0.05 0- 20 40 60 80 100 t (s) Use this graph to answer the following questions: (x) [HO*HN]
Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate constant of 0.0044 M's : 2 HI (g) - H, (g) +I, (g) Suppose a 3.0 L flask is charged under these conditions with 400. mmol of hydrogen iodide. How much is left 8.0 s later? You may assume no other reaction is important. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. x10
At a certain temperature the rate of this reaction is second order in NH OH with a rate constant of 0.0123 M¹s¹: NH,OH (aq) → NH, (aq)+H,O(aq) Suppose a vessel contains NH OH at a concentration of 0.690 M. Calculate the concentration of NH OH in the vessel 790. seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. X
At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.0424 s¯¹: S 2NH3(g) → N₂(g) + 3H₂(g) Suppose a vessel contains NH3 at a concentration of 0.460M. Calculate the concentration of NH3 in the vessel 17.0 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. M x10 X 5
- 1 Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate constant of 0.0045 M's : 2 HI (g) → H, (g)+I, (g) Suppose a 250. mL flask is charged under these conditions with 350. mmol of hydrogen iodide. How much is left 80. s later? You may assume no other reaction is important. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits. x10
Consider Following reaction: CH4(g) + 4 NO(g) → 2 N2(g) + CO2(g) + 2 H2O(g) The concentration of NO was 2.168M at t = 1.96 s and 0.912 M at t = 7.80 s. What is the rate of formation of CO2 in M/s? Report your answer with four decimals. Enter numbers only; do not enter units.
At a certain temperature this reaction follows second-order kinetics with a rate constant of 1.0M 2NH, (g) - N, (2) + 3H, (g) Suppose a vessel contains NH, at a concentration of 1.07M. Calculate how long it takes for the concentration of NH, to decrease by 91.%. You may assume no other reaction is important. Round your answer to 2 significant digits.
Consider a first order reaction AB }A+ B If the reaction is 34% complete at the end of 39 s, what is the length of the half-life of this reaction in seconds? Use 2 significant figures in your answer. Do not include the unit.