Q1. You wish to design an effusion source for Br atoms from Br2 (g). Br2 (g) 2 2Br (g) (a) If the source is to operate at a total pressure of 0.0132 bar at 1000 K, what is the value of the equilibrium constant if the degree of dissociation is 0.35?
Q1. You wish to design an effusion source for Br atoms from Br2 (g). Br2 (g) 2 2Br (g) (a) If the source is to operate at a total pressure of 0.0132 bar at 1000 K, what is the value of the equilibrium constant if the degree of dissociation is 0.35?
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...
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Transcribed Image Text:Q1.
You wish to design an effusion source for Br atoms from Br2 (g).
Br2 (g) 2 2Br (g)
(a) If the source is to operate at a total pressure of 0.0132 bar at 1000 K, what is the value of
the equilibrium constant if the degree of dissociation is 0.35?

Transcribed Image Text:Q5.
marks)
Consider the reaction
Cr,0,- (aq) + 8H* (aq) + 3H, (g)
® 2Cr* (aq) + 7H,0 (1)
(a) Write the electrodes half reactions.
R:
L:
(b) Write cell notation of the cell.
(c) If 2.0 mmol/kg of K,Cr,O, is used for the reaction,
what is the activity of Cr,0,2-?
(d) If 1.2 mmol/kg of CrCl, is used for the reaction, what
is the activity of Cr** ?
(e) Calculate the standard cell potential.
(f) Calculate the cell potential Ecel using Nernst equation
at 298 K. Take PH2 = 1.2 bar and activity of H*= 1.
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