A reaction A → B has the following time dependence for the concentration of [A] vs time. For t=(0 s, 5 s, 10 s, 15 s, 25 s) the concentrationof [A]=(30.00 M, 17.75 M, 12.61 M, 9.77 M, 6.74 M). The initial concentration of [A] is the value at t=0 s.(A)Calculate the values of the rate constant k assuming that the reaction is first order.What is the value of k at 5 s? 0.105What is the value of k at 10 s? 0.087What is the value of k at 15 s? 0.0748What is the value of k at 25 s? 0.0597(B)Calculate the value of k assuming that the reaction is second order.M-¹5-1What is the value of k at 5 s? 0.0046What is the value of k at 10 s? 0.00459What is the value of k at 15 s? 0.004600.00460What is the value of k at 25 s?S-1$1S-1M-15-1M-15-1M-15-1(C)Use your results from parts A and B above to decide what the order of the reaction is for your data. (Enter 1 or 2) 2(D)What is the concentration of [A] at time t=64 s? 2.81XM

Answered: Image /qna-images/answer/3d3dc7c3-c883-4b88-9b38-f61f57cdcab6.jpg

Answered: (D)What is the concentration of [A] at…

Science

Chemistry

(D)What is the concentration of [A] at time t=64 s? 2.81 XM

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

Related questions

Q: 1) Potassium (K) has 19 protons and 20 neutrons. What is the molecular weight of K? ) g/mol 2) 1 mol…

A: Question based on basic chemistry is asked.Molecular weight is the sum of number of protons and…

Q: data were collected for the reaction at 580 K 2HI(g) → H₂(g) + 1₂(8) 2 t(s) [HI]/ (mol dm 3₁ 0 1.00…

Q: A certain rock contains 2.57 x 1017 atoms of 40k for every 7.71 x 1016 atoms of 40 Ar. Assuming that…

A: Answer:All the radioactive reactions are first order reactions. Therefore, integrated rate law for…

Q: A student constructed an Arrhenius plot and found a line of best fit of y=-7,322x + 1,510. What is…

A: Answer:- This question is answered by using the simple concept of calculation of activation energy…

Q: The equilibrium composition of the mixture at 425°C will be independent of the pressure The vessel…

A: Q 45). The diagram shows the deviation from Raoult's law. These types of deviations are called +ive…

Q: The rate constant for the decomposition of N2O5 at 45 degrees Celcuis is k = 5.1 x 10-4 s—1. If the…

Q: A drug is infused intravenously (IV) for treatment of a particular disease. The infusion rate of the…

Q: In the presence of excess thiocyanate ion, SCN, the following reaction is first order in…

A: (a) For the first order reaction half life is given as, t1/2 = 0.693/K where,…

Q: The half-life of 32P is 14.3 days. You count a sample containing 32P and obtain 32,450 cpms. You add…

A: Radioactivity refers to spontaneous disintegration of a substance on itself. The radioactivity of a…

Q: What is the activation energy of a reaction which takes place at 300 K, where the rate constant of…

Q: A student constructed in the rainiest place in found a line of best fit of y=-6,627x+1,532. What is…

A: We know , K = Ae-Ea/RT where Ea = energy of activation

Q: HBr Jim, the -XPH ₂2 Br Off APha

Q: ■Draw the major product of the three-step synthesis. 1. ' cat H3O+ 2. Bri Br 3. H3O+

A: >Amine has nucleophilic character because it has loan pair hence it can give nucleophilic…

Q: (c) A new radioactive element, Fitzgeraldium, is discovered. After 2 days, 80% of a sample of…

A: The radioactive active decay follows first order kinetics. Let the initial number of nuclei be A0…

Q: 11) The photo-decomposition reaction mechanism of HI can be expressed as follows, HI+hv→H+I,…

Q: (a) The rate law for this reaction is first order in S₂0₂² (aq) and first order in I'(aq). What is…

Q: Americium-241 is used in smoke detectors. It has a first order rate constant for radioactive decay…

A: Radioactive decays follows first order rate constant.Half life of tye first order rate constant does…

Q: 4. Identify X in the reactions below a) 23°Pu + 15n → 254FM + X X= b) 23®U (Y, 7e) 253ES Y =

A: Balancing of a nuclear reaction: In a nuclear reaction, the total mass and charge of the reactants…

Q: A radioactive element decays by 1st order kinetic. It takes 7 days for 5 mg of this radioactive…

A: As the radio active decay is first order decay and for first order reaction the rate constant is…

Q: Question 2: The reaction A(aq) ---> B(aq) + C(aq) is a reaction of order one. The half-life of A(aq)…

A: Answer:Here:k1 and k2 are the rate constants at temperature T1 and T2 respectively.

Q: 15 a) A chemical reaction is given below. Write the rate of the reaction with Fe203 + 3CO → 2Fe +…

A: Rate of the reaction depends on the formation of products and decomposition of reactants and also on…

Q: Use the following data to determine the value of k at 350 K. Time (s) [ClO] (molecules/cm3)…

A: Information required to plot the graph:

Q: A temperaturas elevadas, el pentóxido de binitrógeno se descompone para producir bióxido de…

Q: What is the activation energy of a reaction which takes place at 385 K, where the rate constant of…

Q: Using temperature data from the experimental runs a graph is created plotting lnk versus 1/T where T…

A: This can be explain by Arrhenius equation. see below

Q: In a study of the decomposition of ammonia on a platinum surface at 856 °C NH31/2 N2 + 3/2 H2 the…

Q: Cl 9. The following data were obtained for the reac- tion X+2Y + Z -> K+ 2L [X) [Y) [Z] Rate (M/s)…

A: given, Chemical Reaction: X + 2Y + Z ---> K + 2L First, calculate order of Reaction to write the…

Q: - Calculate the activation energy, Ea, in kilojoules per mole for a reaction at 52.0 C that has a…

A: Calculate the activation energy, Ea, in kilojoules per mole for a reaction at 52.0 °C that has a…

Q: The rate constant for the decomposition of a given ore is 0.0475 s-1. (a) what is the half-life of…

A: The rate constant of decomposition of the given ore is = 0.0475 s-1 The unit of the rate constant…

Q: I was given the below function to describe the half life radioactive decay: N(t)=N0e-kt Where N(t)…

A: half-life(t1/2) of a radioactive decay is the time required to bring down the amount of radioactive…

Q: A suggested mechanism for the gas phase decomposition of nitrous oxide is: step 1: Nz0 — Nz + 0 N₂O…

Q: Which of the following alternatives does not apply when deriving the Michaelis-Menten equation?…

A: Michaelis-Menten equation is very useful for driving the rate expression in case of enzymes.

Q: Suppose a quantity is described by the function y(t) = 30,000e-0.05t, where t is measured in years.…

A: We know that, N(t) = N0e-λt where N(t) is the quantity at time t, N0 = N(0) is the initial…

Q: (4) Radioactive decay follows first order kinetics. How manyμgof a3.42μgsample ofCo−60remain after…

A: The question is based on the concept of chemical kinetics. we need to calculate quantity of sample…

Q: (4) The molecularity of reaction is (a) Always two (b) Same as its order (c) Different than order…

A: Molecularity of the reaction is equal to the number of molecules which participate in a chemical…

Q: Question 2: The reaction A(aq) ---> B(aq) + C(aq) is a reaction of order one. The half-life of A(aq)…

A: Given reaction is, A(aq) B(aq) + C(aq)The half-life of A(aq) The half-life of A(aq)…

Q: Chlorine atoms react with methane, forming HCl and CH3. The rate constant for the reaction is 6.00 ×…

Q: Given that the rate constant is 4.0x 10^-4 M^-1s^-1 at 25.0 C and that the rate constant is 2.6 x…

Q: 17. Which of the following represents the equation for a first-order half-life? 1 A. + 1/2 = k[A]o…

A: For first order reaction half life is given by t1/2 = 0.693/k here, k = rate constant and…

Concept explainers

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.

Question

A reaction A → B has the following time dependence for the concentration of [A] vs time. For t=(0 s, 5 s, 10 s, 15 s, 25 s) the concentration
of [A]=(30.00 M, 17.75 M, 12.61 M, 9.77 M, 6.74 M). The initial concentration of [A] is the value at t=0 s.
(A)Calculate the values of the rate constant k assuming that the reaction is first order.
What is the value of k at 5 s? 0.105
What is the value of k at 10 s? 0.087
What is the value of k at 15 s? 0.0748
What is the value of k at 25 s? 0.0597
(B)Calculate the value of k assuming that the reaction is second order.
M-¹5-1
What is the value of k at 5 s? 0.0046
What is the value of k at 10 s? 0.00459
What is the value of k at 15 s? 0.00460
0.00460
What is the value of k at 25 s?
S-1
$1
S-1
M-15-1
M-15-1
M-15-1
(C)Use your results from parts A and B above to decide what the order of the reaction is for your data. (Enter 1 or 2) 2
(D)What is the concentration of [A] at time t=64 s? 2.81
XM

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Theory:

VIEW

Given data:

VIEW

Solution:

VIEW

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Consider the radioisotope ²³⁵U (half life = 7.04 × 10⁸ years). What is the first order rate constant for ²³⁵U?
9. True or False: The steady-state approximation is valid when the decay rate of the intermediates is sufficiently large so that the concentration of the intermediates is small at all times. (a) True (b) False
For Questions 4 and 5, consider the following kinetic data for the decomposition of N204 into NO2. Specific-rate constant, k (s-1) Temperature (°C) -5 2.5 x 103 25 3.5 x 104 5.) What is the numerical value of the activation energy (in kJ/mol) for this reaction?
(#27) Reaction rates and decay. Tungsten undergoes first order decay to yield its isotope, with all reaction components in gaseous form. The initial concentration is 1.00 M and the rate constant at 45 degrees Celcius is 6.94 x 10 6/minute. (27a) What is the final concentration of the reactant remaining after 120 days? Type-in your answer inblank#1. The unit is Molarity but enter only the value of your answer in normal numerals (without symbols of unit and no digit or space fillers) with four significant figures. (276) Calculate the percentage amount of the original reactant that has decomposed from the above decay. Type-in your answer in Blank #2. The unit is % but enter only the value of your answer in normal numerals (without symbols of unit) with four significant figures.
Page 3. 5) The rate of reaction of hemoglobin (Hb) with carbon monoxide was studies at 20°C. The following data was collected, with all concentrations in units of 106 mol/L. a) Calculate the rate equation, including the value of the rate constant, from the data shown. [Hb]o [CO] o Initial Rate 2.21 1.00 0.619 4.42 1.00 1.24 4.42 3.00 3.71 b) What would be the rate for an experiment where the initial [HB] = 3.36 x 10-6 and [CO]o = 2.40 x 106 M
In the presence of excess thiocyanate ion, SCN-, the following reaction is first order in chromium(III) ion, Cr3+ Cr3+(aq) + SCN(aq) → Cr(SCN)2+(aq) The rate constant for the reaction is (3.10x10^0)x10-6/s. What is the half-life, in seconds, for the reaction? Express yoyr answer to three significant figures.
8. Determine the half-life of an anti-hypertensive'drug if it appears to be eliminated from the body at a rate constant of 46% per hour.
From the equation of first order reactions, derive the formula for the half-life, τ, of the reaction. Given the k = 3.38 x 10-5/s, what is the half-life for N2O5 at 25oC? The answer should be in seconds
The half-life period of two samples are 0.1 and 0.4 seconds. Their initialConcentrations are 200 and 50 mol L -1 respectively. What is the order of reaction?
A 1st order reaction takes place with k = 0.00528 s-1. If the initial [A] is 0.455 M, what is a) the half-life of the reaction; b) [A] after 215 seconds? O t1/2 = 131 s; [A] = 0.299 M %3D t1/2 = 189 s; [A] = 0.146 M %3D t1/2 = 95 s; [A] = 0.401 M %3D O t1/2 = 131 s; [A] = 0.146 M. = 131 s; [A] = 0.033 M