Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your answer to zero decimal places.) Then, decide whether, under the conditions the engineer has set up, the reaction is spontaneous, the reverse reaction is spontaneous, or neither forward nor reverse reaction is spontaneous because the system is at equilibrium. dlo
Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your answer to zero decimal places.) Then, decide whether, under the conditions the engineer has set up, the reaction is spontaneous, the reverse reaction is spontaneous, or neither forward nor reverse reaction is spontaneous because the system is at equilibrium. dlo
Chemistry: The Molecular Science
5th Edition
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Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 118QRT
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![Calculating dG from dH and ds
A chemical engineer is studying the two reactions shown in the table below.
In each case, she fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 65.0 °C and constant total pressure.
Then, she measures the reaction enthalpy AH and reaction entropy AS of the first reaction, and the reaction enthalpy AH and reaction free energy AG of the
second reaction. The results of her measurements are shown in the table.
圖
Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your answer to zero decimal places.) Then, decide whether, under
the conditions the engineer has set up, the reaction is spontaneous, the reverse reaction is spontaneous, or neither forward nor reverse reaction is spontaneous
because the system is at equilibrium.
dlo
AH = 33. kJ
J
AS = 78.
K
2Fe(s) + 3H,0(1) - Fe,0, (s) + 3H, (g)
AG = kJ
Which is spontaneous?
O this reaction
O the reverse reaction
O neither
AH = -12. kJ
J
AS =
Sn(s) + 2C0,(3) - SnO, (s) + 2C0(3)
AG = 0. kJ
Which is spontaneous?
O this reaction
O the reverse reaction
O neither
Exphnation
Check
O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility
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Transcribed Image Text:Calculating dG from dH and ds
A chemical engineer is studying the two reactions shown in the table below.
In each case, she fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 65.0 °C and constant total pressure.
Then, she measures the reaction enthalpy AH and reaction entropy AS of the first reaction, and the reaction enthalpy AH and reaction free energy AG of the
second reaction. The results of her measurements are shown in the table.
圖
Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your answer to zero decimal places.) Then, decide whether, under
the conditions the engineer has set up, the reaction is spontaneous, the reverse reaction is spontaneous, or neither forward nor reverse reaction is spontaneous
because the system is at equilibrium.
dlo
AH = 33. kJ
J
AS = 78.
K
2Fe(s) + 3H,0(1) - Fe,0, (s) + 3H, (g)
AG = kJ
Which is spontaneous?
O this reaction
O the reverse reaction
O neither
AH = -12. kJ
J
AS =
Sn(s) + 2C0,(3) - SnO, (s) + 2C0(3)
AG = 0. kJ
Which is spontaneous?
O this reaction
O the reverse reaction
O neither
Exphnation
Check
O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility
to search
101
IA
99+
ASUS ZenBook
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