3. Consider the reaction shown below and the tabulated experimental data on initial rates. A +B+2 C →D+E Table 1. Initial concentrations of reactants and the corresponding rates at 25 °C Rate (M/s) [A]; (M) [B]; (M) [C]; (M) 0.390 0.10 0.10 0.30 0.130 0.10 0.10 0.10 0.975 0.10 0.25 0.30 0.585 0.15 0.10 0.30 A. Determine the reaction order with respect to A, B, and C. B. Calculate the average rate constant for the reaction. C. What is the rate law for the reaction and the overall reaction order?

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...
icon
Related questions
Question

need some help number 3 letters a, b, c

2. Consider the following reaction and the tabulated thermochemical data at 298 K.
4 NH3(2) + 5 O2(g)
→ 6 H2O(g) + 4 NO(2)
Substance
NH3(g)
Ozg)
H2O(g)
NO(2)
AH°r (kJ/mol)
-46.1
-241.8
90.3
S° (J/mol-K)
192.3
205.0
188.7
210.7
A. Calculate the standard enthalpy change of the reaction in kJ. Is the process endothermic or
exothermic?
B. Calculate the standard entropy change of the reaction in J/K.
C. Calculate the standard Gibbs free energy change of the reaction in kJ at 298 K. Is the reaction
spontaneous at 298 K?
D. Calculate the equilibrium constant at 298 K.
E. Calculate the Gibbs free energy change at 298 K for a mixture containing 2.0 atm NH3(g), 1.0 atm
Oz(g), 1.5 atm H2O(g), and 1.2 atm NO(g).
3. Consider the reaction shown below and the tabulated experimental data on initial rates.
A+B + 2 C →D+E
Table 1. Initial concentrations of reactants and the corresponding rates at 25 °C
Rate (M/s)
[A]; (M)
[B]; (M)
[C]; (M)
0.390
0.10
0.10
0.30
0.130
0.10
0.10
0.10
0.975
0.10
0.25
0.30
0.585
0.15
0.10
0.30
A. Determine the reaction order with respect to A, B, and C.
B. Calculate the average rate constant for the reaction.
C. What is the rate law for the reaction and the overall reaction order?
D. Calculate the activation energy (Ea) for the reaction assuming that the frequency factor (A) is 1.23 x
1010 /M?s.
E. What is the rate constant at 50 °C?
Transcribed Image Text:2. Consider the following reaction and the tabulated thermochemical data at 298 K. 4 NH3(2) + 5 O2(g) → 6 H2O(g) + 4 NO(2) Substance NH3(g) Ozg) H2O(g) NO(2) AH°r (kJ/mol) -46.1 -241.8 90.3 S° (J/mol-K) 192.3 205.0 188.7 210.7 A. Calculate the standard enthalpy change of the reaction in kJ. Is the process endothermic or exothermic? B. Calculate the standard entropy change of the reaction in J/K. C. Calculate the standard Gibbs free energy change of the reaction in kJ at 298 K. Is the reaction spontaneous at 298 K? D. Calculate the equilibrium constant at 298 K. E. Calculate the Gibbs free energy change at 298 K for a mixture containing 2.0 atm NH3(g), 1.0 atm Oz(g), 1.5 atm H2O(g), and 1.2 atm NO(g). 3. Consider the reaction shown below and the tabulated experimental data on initial rates. A+B + 2 C →D+E Table 1. Initial concentrations of reactants and the corresponding rates at 25 °C Rate (M/s) [A]; (M) [B]; (M) [C]; (M) 0.390 0.10 0.10 0.30 0.130 0.10 0.10 0.10 0.975 0.10 0.25 0.30 0.585 0.15 0.10 0.30 A. Determine the reaction order with respect to A, B, and C. B. Calculate the average rate constant for the reaction. C. What is the rate law for the reaction and the overall reaction order? D. Calculate the activation energy (Ea) for the reaction assuming that the frequency factor (A) is 1.23 x 1010 /M?s. E. What is the rate constant at 50 °C?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 5 images

Blurred answer
Knowledge Booster
Theories of Reaction Rates
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.
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY