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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 = % 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(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 = % 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
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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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 = % 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 =
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 = % 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 =
What is the cell potential of the following voltaic cell at 25°C? Zn(s)| Zn²+(1.72×10¯5M)||Cu²+(0.122M) | Cu(s) The standard cell potential of this cell is 1.10 V. Ecell = ] V
Transcribed Image Text:What is the cell potential of the following voltaic cell at 25°C? Zn(s)| Zn²+(1.72×10¯5M)||Cu²+(0.122M) | Cu(s) The standard cell potential of this cell is 1.10 V. Ecell = ] V
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