A sample of carbon is burned in a calorimeter. If the calorimeter absorbs 81 J/K during the reaction and the universe absorbs 315 J/K, by how much did the entropy of the sample change? The equation relating the entropy change in a calorimeter to that in the sample is ASuniverse = ASample + AS calorimeter where ASuniverse is the overall entropy change in the universe, ASamole is the entropy change of the sample, and ASalorimeter is the entropy change of the calorimeter. J/K
A sample of carbon is burned in a calorimeter. If the calorimeter absorbs 81 J/K during the reaction and the universe absorbs 315 J/K, by how much did the entropy of the sample change? The equation relating the entropy change in a calorimeter to that in the sample is ASuniverse = ASample + AS calorimeter where ASuniverse is the overall entropy change in the universe, ASamole is the entropy change of the sample, and ASalorimeter is the entropy change of the calorimeter. J/K
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
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![A sample of carbon is burned in a calorimeter. If the calorimeter absorbs 81 J/K during the reaction and the universe absorbs 315 J/K, by how much did the entropy of the sample change? The
equation relating the entropy change in a calorimeter to that in the sample is AS
Suniverse
+ As,
AS sample
+ AS calorimeteri where ASniverse
is the overall entropy change in the universe, AS sample
is the
entropy change of the sample, and As calorimeter is the entropy change of the calorimeter.
4.0
J/K
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Transcribed Image Text:A sample of carbon is burned in a calorimeter. If the calorimeter absorbs 81 J/K during the reaction and the universe absorbs 315 J/K, by how much did the entropy of the sample change? The
equation relating the entropy change in a calorimeter to that in the sample is AS
Suniverse
+ As,
AS sample
+ AS calorimeteri where ASniverse
is the overall entropy change in the universe, AS sample
is the
entropy change of the sample, and As calorimeter is the entropy change of the calorimeter.
4.0
J/K
MacBook A
DII
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F10
80
888
F9
F8
F7
F4
F5
F2
F3
F1
&
#
$4
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P
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IT
Q
K
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C
V
B
36
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option
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R
DI
![The enthalpies of reaction for a set of reaction steps are as follows.
AH, = -417 kJ
AH, = 47.0 kJ
AH3 = -110. k]
AH4 = 942 kJ
%3D
%3D
%3D
If adding the chemical equations according to the expression below can produce the overall chemical equation, what is the overall enthalpy change for the reaction? (Include the sign of the value in
your answer.)
Overall Equation = Equation 1+ Equation 2 + Equation 3+ Equation 4
%3D
4.0
kJ
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Transcribed Image Text:The enthalpies of reaction for a set of reaction steps are as follows.
AH, = -417 kJ
AH, = 47.0 kJ
AH3 = -110. k]
AH4 = 942 kJ
%3D
%3D
%3D
If adding the chemical equations according to the expression below can produce the overall chemical equation, what is the overall enthalpy change for the reaction? (Include the sign of the value in
your answer.)
Overall Equation = Equation 1+ Equation 2 + Equation 3+ Equation 4
%3D
4.0
kJ
MacBook Air
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888
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DII
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F5
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4
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V
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