1.The first order rate constant for the decomposition of N205, according to the reaction:2 N2O5(g)4 NO2(g) + O2(g)at 70°C is 6.82 x 10³ s'.Suppose we start with 0.0250 moles of N2Os(g) in a volume of 2.0L.a) How many moles of N,Os will remain after 5.0 min?b) How many minutes will it take for the quantity of N,O5 to drop to 0.010 moles?c) What is the half-life of N2O5 at 70°C

Answered: Image /qna-images/answer/8c22b2ec-ddd1-4aee-907e-3f58fc8438bc.jpg

1. The first order rate constant for the decomposition of N205, according to the reaction: 2 N2O5(g) -> 4 NO2(g) + O2(g) at 70°C is 6.82 x 10³ s'. Suppose we start with 0.0250 moles of N2O5(g) in a volume of 2.0L. a) How many moles of N2O5 will remain after 5.0 min? b) How many minutes will it take for the quantity of N2O5 to drop to 0.010 moles? c) What is the half-life of N2O5 at 70°C

1. The first order rate constant for the decomposition of N205, according to the reaction: 2 N2O5(g) -> 4 NO2(g) + O2(g) at 70°C is 6.82 x 10³ s'. Suppose we start with 0.0250 moles of N2O5(g) in a volume of 2.0L. a) How many moles of N2O5 will remain after 5.0 min? b) How many minutes will it take for the quantity of N2O5 to drop to 0.010 moles? c) What is the half-life of N2O5 at 70°C

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

Consider following reaction: 2 A2B5(g) → 4AB2(g) + B2(g) The rate constant is 0.129 s-1 at 298 K for this reaction. What is the percent of A2B5 left after the first 19.091 s? Report your answer with three decimals. Enter numbers only;
49. The thermal decomposition of acetaldehyde, CH,CHO-CH+CO is a cond-onder reaction. The following data were obtained at 518°C. time, s Pressure CHICHO, mmHg 0 Chapter 13: Chemical Kinetics 364 330 290 132 Based on the data given, what is the half-life for the disappearance of acetaldehyde? A) 1.5 x 10's B) 410 s C) 5.4 x 10's D) 520s E) 305 s Category: Difficult Section: 13.3 42 105 720
Consider this reaction: 2H,PO, (ag) – P,0, (aq)+ 3H,0 (aq) At a certain temperature it obeys this rate law. rate = (0.392 M-1.s Suppose a vessel contains H, PO, at a concentration of 0.520 M. Calculate how long it takes for the concentration of H, PO, to decrease to 12.0% of its initial value. You may assume no other reaction is important. Round your answer to 2 significant digits.
The first-order rate constant for the decomposition of C2H5Cl, C2H5Cl(g) C2H4(g) + HCl(g) at 27 oC is k = 7.27e-30 s-1. Suppose we start with 0.0845 mol of C2H5Cl in a volume of 4.9 L. How many moles of C2H5Cl will remain after 1.24e+27 min?
Nitesh
A possible reaction for the degradation of the pesticide DDT to a less harmful compound was simulated in the laboratory. The reaction was found to be first order, with k = 2.55 x 108 s at 25°C. What is the half-life for the degradation of DDT in this experiment, in years? (1 year = 365 days) Round your answer to 2 decimal places.
24. provide only the answer asap pls no need solution
59.)
For the simple decomposition reaction: AB(g) A(g) + B(g), the rate = k{AB}? ({ = [) and k = 0.78 1/M•s. How long (in seconds) will it take for the concentration of AB to reach one-third of its initial concentration of 1.07? Enter to 2 decimal places.
23. The rate constant for decomposition of azomethane at 425°C is 0.68 s~', CH,N=NCH,(g) N;(g) + C,H(g) a) Based on the units of the rate constant, is the reaction zeroth-, first-, or second-order? b) If2.0 g azomethane is placed in a 2.0-L flask and heated to 425°C, what mass of azomethane remains after 5.0 s? c) How long does it take for the mass of azomethane to drop to 0.24 g? d) What mass of nitrogen would be found in the flask after 0.50 s of reaction?
The hydrolysis of sucrose (C12H22011) into glucose and fructose in acidic water has a rate constant of 1.8\times 10-4s-1 at 25 °C. Part A Assuming the reaction is first order in sucrose, determine the mass of sucrose that is hydrolyzed when 2.60 L of a 0.140 M sucrose solution is allowed to react for 190 min.
Save An Sugar reacts with water in acidic condition to give glucose and fructose. The reaction is first order in sugar. At 25 °C, it takes 3.33 h for the concentration of sugar to drop to ½ of its original concentration. How many hours are required for the concentration to drop from 0.800 M to 0.0500 M? O 9.23 h 6.93 h 13.3 h O4.80 h 53.3 h A Moving to another question will save this response. Question 1 of 25 >> Close Window Esc F1 F2 F3 F4 F5 F6 F7 PrtSc Insert Delete F8 F9 F10 F11 F12 %23 $4 & 1 2 4 8. Backspace Q W T. Y | P ab D F G H. J K 11 Z V + I/ V - MI IN