Using enthaipies of formation, calculate the quantity of heat produced When 20.0 g BI Carbon monoxide CO(g) 110.5 Express the heat in kilojoules to three significant digits. Methane CHalg) -74.80 Propane CHalg) -103.85 ? Water -285.8 Water vapor H3O(g) -241.8 kJ want to reference (Pages 186 - 190) Section 5.7 while completing this Submil Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Provide Feedback
Using enthaipies of formation, calculate the quantity of heat produced When 20.0 g BI Carbon monoxide CO(g) 110.5 Express the heat in kilojoules to three significant digits. Methane CHalg) -74.80 Propane CHalg) -103.85 ? Water -285.8 Water vapor H3O(g) -241.8 kJ want to reference (Pages 186 - 190) Section 5.7 while completing this Submil Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Provide Feedback
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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![The following table contains some standard enthalpies of formation, A H°t, at 298
K.
Part A
AHt
(k.J/mol)
Substance
Formula
Many portable gas heaters and grills use propane, C3H8(g).
Carbon dioxide
CO2(g)
-393.5
Using enthalpies of formation, calculate the quantity of heat produced when 20.0 g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.
Carbon monoxide CO(g)
-110.5
Express the heat in kilojoules to three significant digits.
Methane
CHA(g)
-74.80
Propane
C3HS(g) -103.85
ΑΣΦ
Water
H20(1)
-285.8
Water vapor
H2O(g)
-241.8
kJ
You may want to reference (Pages 186- 190) Section 5.7 while completing this
problem.
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 4 attempts remaining
Provide Feedback
O
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10/11/2020
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Transcribed Image Text:The following table contains some standard enthalpies of formation, A H°t, at 298
K.
Part A
AHt
(k.J/mol)
Substance
Formula
Many portable gas heaters and grills use propane, C3H8(g).
Carbon dioxide
CO2(g)
-393.5
Using enthalpies of formation, calculate the quantity of heat produced when 20.0 g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.
Carbon monoxide CO(g)
-110.5
Express the heat in kilojoules to three significant digits.
Methane
CHA(g)
-74.80
Propane
C3HS(g) -103.85
ΑΣΦ
Water
H20(1)
-285.8
Water vapor
H2O(g)
-241.8
kJ
You may want to reference (Pages 186- 190) Section 5.7 while completing this
problem.
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 4 attempts remaining
Provide Feedback
O
1:29 PM
の)
10/11/2020
DII
PrtScn
Home
End
PgUp
F11
PgDn
FI
F2
F3
F4
F5
F6
F7
F8
F9
F10
2$
4
&
2
3
5
7
08
9
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