Common bond energies The table below lists the average bond energies that you would need to determine reaction enthalpies. * Bond energy in CO2. Part B Bond Bond energy (kJ/mol) Bond Bond energy (kJ/mol) C-C C-H H-H C-O N=N N-H N=N O-H 0=0 C=O AHrxn = Use bond energies to calculate the enthalpy of combustion of methanol in kJ/mol. Express your answer in kilojoules per mole as an integer. 347 436 418 946 498 ΨΕΙ ΑΣΦ P 414 360 389 464 799* ? kJ/mol You have already submitted this answer. Enter a new answer. No credit lost. Try again.

Chemistry
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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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Part A
Another potential future fuel is methanol (CH3OH). Enter a balanced chemical equation for the
combustion of gaseous methanol.
Express your answer as a chemical equation.
2CH3OH (g) + 302 (g) →2CO2 (g) + 4H₂O(g)
Submit
Previous Answers
Correct
You will need to consider the coefficients of this balanced chemical equation to determine
the enthalpy of the combustion of gaseous methanol. When calculating the enthalpy of
combustion per mole of the fuel, you may need to use fractional coefficients.
Transcribed Image Text:Part A Another potential future fuel is methanol (CH3OH). Enter a balanced chemical equation for the combustion of gaseous methanol. Express your answer as a chemical equation. 2CH3OH (g) + 302 (g) →2CO2 (g) + 4H₂O(g) Submit Previous Answers Correct You will need to consider the coefficients of this balanced chemical equation to determine the enthalpy of the combustion of gaseous methanol. When calculating the enthalpy of combustion per mole of the fuel, you may need to use fractional coefficients.
Common bond energies
The table below lists the average bond energies that you would need to determine reaction
enthalpies.
* Bond energy in CO₂.
Part B
Bond Bond energy (kJ/mol) Bond Bond energy (kJ/mol)
C-C
C-H
414
H-H
C-O
360
N=N
N-H
389
N=N
O-H
464
0=0
C=O
799*
AHrxn
Use bond energies to calculate the enthalpy of combustion of methanol in kJ/mol.
Express your answer in kilojoules per mole as an integer.
=
347
436
418
946
498
V— ΑΣΦ
****
?
kJ/mol
!! You have already submitted this answer. Enter a new answer.
No credit lost. Try again.
Transcribed Image Text:Common bond energies The table below lists the average bond energies that you would need to determine reaction enthalpies. * Bond energy in CO₂. Part B Bond Bond energy (kJ/mol) Bond Bond energy (kJ/mol) C-C C-H 414 H-H C-O 360 N=N N-H 389 N=N O-H 464 0=0 C=O 799* AHrxn Use bond energies to calculate the enthalpy of combustion of methanol in kJ/mol. Express your answer in kilojoules per mole as an integer. = 347 436 418 946 498 V— ΑΣΦ **** ? kJ/mol !! You have already submitted this answer. Enter a new answer. No credit lost. Try again.
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