Hydrogen bromide dissociates into its gaseous elements, H₂ and Br₂, at elevated temperatures. HBr(g) H₂ (9) Br₂(g) AH, kJ/mol S, J/(mol-K) -36.44 0 30.91 198.6 130.6 245.3 a. Calculate the percent dissociation at 373°C and 1.00 atm. (Enter your answer to three significant figures.) Percent dissociation = % b. What would be the percent dissociation at 373°C and 10.0 atm? (Enter your answer to three significant figures.) Percent dissociation: = % c. Use data above and any reasonable approximation to obtain K. (Enter your answer to three significant figures.) K=
Hydrogen bromide dissociates into its gaseous elements, H₂ and Br₂, at elevated temperatures. HBr(g) H₂ (9) Br₂(g) AH, kJ/mol S, J/(mol-K) -36.44 0 30.91 198.6 130.6 245.3 a. Calculate the percent dissociation at 373°C and 1.00 atm. (Enter your answer to three significant figures.) Percent dissociation = % b. What would be the percent dissociation at 373°C and 10.0 atm? (Enter your answer to three significant figures.) Percent dissociation: = % c. Use data above and any reasonable approximation to obtain K. (Enter your answer to three significant figures.) K=
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.61QE: When 7.11 g NH4NO3 is added to 100 mL water, the temperature of the calorimeter contents decreases...
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Transcribed Image Text:Hydrogen bromide dissociates into its gaseous elements,
H₂ and
Br2, at elevated temperatures.
HBr(g)
H₂(g)
Br₂(g)
AH, kJ/mol S, J/(mol-K)
-36.44
0
30.91
198.6
130.6
245.3
a. Calculate the percent dissociation at 373°C and 1.00 atm.
(Enter your answer to three significant figures.)
Percent dissociation =
%
Submit Answer
b. What would be the percent dissociation at 373°C and 10.0 atm?
(Enter your answer to three significant figures.)
Percent dissociation =
%
c. Use data above and any reasonable approximation to obtain K.
(Enter your answer to three significant figures.)
K=
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