A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 34.0°C and constant total pressure. Then, he measures the reaction enthalpy ΔH and reaction entropy ΔS of the first reaction, and the reaction enthalpy ΔH and reaction free energy ΔG of the second reaction. The results of his measurements are shown in the table. Complete the table. That is, calculate ΔG for the first reaction and ΔS 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 reversereaction is spontaneous, or neither forward nor reverse reaction is spontaneous because the system is at equilibrium. →+P4O10s6H2Ol4H3PO4s =ΔH−439.kJ =ΔS−1401.JK =ΔGkJ Which is spontaneous? this reaction the reverse reaction neither →+CO2g2H2Og+CH4g2O2g =ΔH803.kJ =ΔSJK =ΔG8.kJ Which is spontaneous? this reaction the reverse reaction neither
A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 34.0°C and constant total pressure. Then, he measures the reaction enthalpy ΔH and reaction entropy ΔS of the first reaction, and the reaction enthalpy ΔH and reaction free energy ΔG of the second reaction. The results of his measurements are shown in the table. Complete the table. That is, calculate ΔG for the first reaction and ΔS 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 reversereaction is spontaneous, or neither forward nor reverse reaction is spontaneous because the system is at equilibrium. →+P4O10s6H2Ol4H3PO4s =ΔH−439.kJ =ΔS−1401.JK =ΔGkJ Which is spontaneous? this reaction the reverse reaction neither →+CO2g2H2Og+CH4g2O2g =ΔH803.kJ =ΔSJK =ΔG8.kJ Which is spontaneous? this reaction the reverse reaction neither
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.91PAE: The reaction shown below is involved in the refining of iron. (The table that follows provides all...
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A chemical engineer is studying the two reactions shown in the table below.
and constant total pressure. Then, he measures the reaction enthalpy
and reaction entropy
of the first reaction, and the reaction enthalpy
and reaction free energy
of the second reaction. The results of his measurements are shown in the table.
for the first reaction and
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 reversereaction is spontaneous, or neither forward nor reverse reaction is spontaneous because the system is at equilibrium.
In each case, he fills a reaction vessel with some mixture of the reactants and products at a constant temperature of
34.0°C
ΔH
ΔS
ΔH
ΔG
Complete the table. That is, calculate
ΔG
ΔS
|
|
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