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Part A MISSED THIS? Read Section 10.10 (Pages 422-425): Watch (WE 10.11 Ethanol is a possible fuel. Use average bond energies to calculate $\Delta H_{rxn}$ for the combustion of ethanol. $CH_3CH_2OH(g) + 3O_2(g) \rightarrow 2CO_2(g) + 3H_2O(g)$ Express your answer as an integer. Bond Bond Energy kJ/mol H-H 336 C-H 414 C-C 347 C-O 360 O-H 464 O=O 498 C=O 736 C=O in $CO_2$ 799 $\Delta H_{rxn} = $_____ kJ/mol Submit Previous Answers Request Answer Incorrect; Try Again; One attempt remaining

          Part A
MISSED THIS? Read Section
10.10 (Pages 422-425): Watch (WE 10.11
Ethanol is a possible fuel. Use average bond energies to calculate $\Delta H_{rxn}$ for the combustion of ethanol.
$CH_3CH_2OH(g) + 3O_2(g) \rightarrow 2CO_2(g) + 3H_2O(g)$
Express your answer as an integer.
Bond
Bond Energy
kJ/mol
H-H
336
C-H
414
C-C
347
C-O
360
O-H
464
O=O
498
C=O
736
C=O in $CO_2$
799
$\Delta H_{rxn} = $_____ kJ/mol
Submit Previous Answers Request Answer
Incorrect; Try Again; One attempt remaining

Part A
MISSED THIS? Read Section
10.10 (Pages 422-425): Watch (WE 10.11
Ethanol is a possible fuel. Use average bond energies to calculate Δ Hrxn for the combustion of ethanol.
CH3CH2OH(g) + 3O2(g) → 2CO2(g) + 3H2O(g)
Express your answer as an integer.
Bond
Bond Energy
kJ/mol
H-H
336
C-H
414
C-C
347
C-O
360
O-H
464
O=O
498
C=O
736
C=O in CO2
799
Δ Hrxn = kJ/mol
Submit Previous Answers Request Answer
Incorrect; Try Again; One attempt remaining

Added by Ismael H.

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