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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
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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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= Try Another Version 9 item attempts remaining
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= Try Another Version 9 item attempts remaining
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