Homework Help is Here – Start Your Trial Now!
Science
Chemistry
Calculate the H (in kcal/mol) for the reactions (use table 7.1): • H2 + O2 ------ 2 H2O • CH4 + • 6 CO2 + 2O2 ------ CO2 + 2 H2O 6H2O ------ C6H12O6 + 6O2

Calculate the H (in kcal/mol) for the reactions (use table 7.1): • H2 + O2 ------ 2 H2O • CH4 + • 6 CO2 + 2O2 ------ CO2 + 2 H2O 6H2O ------ C6H12O6 + 6O2

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...
See similar textbooks
icon
Related questions
Question

Calculate the H (in kcal/mol) for the reactions (use table 7.1): • H2 + O2 ------ 2 H2O

• CH4 +

• 6 CO2 +

2O2 ------ CO2 + 2 H2O

6H2O ------ C6H12O6 + 6O2

 

 

7:21 1 Q A AA :N:::N: + 226 kcal/mol → + •N: N, bond dissociation energy = 226 kcal/mol (946 kJ/mol) :Cl:Cl: + 58 kcal/mol → •CI: Cl, bond dissociation energy = 58 kcal/mol (243 kJ/mol) The greater stability of the triple bond in N, ex- plains why nitrogen molecules are less reactive than Cl, molecules. Some typical bond dissocia- tion energies are given in Table 7.10. Table 7.1 Average Bond Dissociation Energies Bond Dissociation Bond Dissociation Bond Dissociation Energy Energy Energy kcal /mol (kJ/mol) Bond kcal/mol (kJ/mol) Bond kcal/mol (kJ/mol) Bond C-H 99 (413) N-H 93 (391) c=C 147 (614) С —с 83 (347) N-N 38 (160) C=C 201 (839) C-N 73 (305) N-CI 48 (200) C=0* 178 (745) C-0 86 (358) N-0 48 (201) 0=0 119 (498) C-CI 81 (339) H-H 103 (432) N=0 145 (607) CI CI 58 (243) 0-H 112 (467) 0=N 213 (891) H CI 102 (427) 0-CI 49 (203) N=N 226 (946) *The C = 0 bond dissociation energies in Co, are 191 kcal/mol (799 kJ/mol). A chemical change that absorbs heat, like the breaking of bonds, is endothermic, from the Greek words endon (within) and therme (heat), meaning that heat is required as a condition for reaction and would appear on the left side of the equation. The reverse of bond breaking is bond formation, a process that releases heat and is exothermic, from the Greek exo (outside),
Transcribed Image Text:7:21 1 Q A AA :N:::N: + 226 kcal/mol → + •N: N, bond dissociation energy = 226 kcal/mol (946 kJ/mol) :Cl:Cl: + 58 kcal/mol → •CI: Cl, bond dissociation energy = 58 kcal/mol (243 kJ/mol) The greater stability of the triple bond in N, ex- plains why nitrogen molecules are less reactive than Cl, molecules. Some typical bond dissocia- tion energies are given in Table 7.10. Table 7.1 Average Bond Dissociation Energies Bond Dissociation Bond Dissociation Bond Dissociation Energy Energy Energy kcal /mol (kJ/mol) Bond kcal/mol (kJ/mol) Bond kcal/mol (kJ/mol) Bond C-H 99 (413) N-H 93 (391) c=C 147 (614) С —с 83 (347) N-N 38 (160) C=C 201 (839) C-N 73 (305) N-CI 48 (200) C=0* 178 (745) C-0 86 (358) N-0 48 (201) 0=0 119 (498) C-CI 81 (339) H-H 103 (432) N=0 145 (607) CI CI 58 (243) 0-H 112 (467) 0=N 213 (891) H CI 102 (427) 0-CI 49 (203) N=N 226 (946) *The C = 0 bond dissociation energies in Co, are 191 kcal/mol (799 kJ/mol). A chemical change that absorbs heat, like the breaking of bonds, is endothermic, from the Greek words endon (within) and therme (heat), meaning that heat is required as a condition for reaction and would appear on the left side of the equation. The reverse of bond breaking is bond formation, a process that releases heat and is exothermic, from the Greek exo (outside),
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Energy
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.
Similar questions
  • SEE MORE QUESTIONS
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
SEE MORE TEXTBOOKS