Calculate AS for the following reactions, using standard entropy values from the table below. a. For the reaction 2Al(s) + 3Cl₂(g) → 2AlCl3 (s) Species Sº J/(mol-K) Al(s) 28.28 Cl₂ (g) 223.0 AlCl3 (s) 109.3 ASO = b. For the reaction 4HCN (1) +502 (9) 2H₂O(g) + 4CO2(g) + 2N2 (9) J/K Species SJ/(mol.K) HCN (1) 112.8 O2(g) 205.0 H₂O(g) 188.7 CO₂(g) 213.7 N₂ (9) 191.6 S° = c. For the reaction Species Na₂CO3(s) H+ (aq) Na2CO3(s) + H+ (aq) → 2Na+ (aq) + HCO3(aq) Na+ (aq) HCO3(aq) J/K Sº J/(mol-K) 138.8 0 ASO d. For the reaction 59.1 91.2 J/K 2PbO(s) + N₂(g) → 2Pb(s) + 2NO(g) Species S J/(mol-K) PbO(s) 66.32 N₂ (9) 191.6 Pb(s) 64.78 NO(g) 210.6
Calculate AS for the following reactions, using standard entropy values from the table below. a. For the reaction 2Al(s) + 3Cl₂(g) → 2AlCl3 (s) Species Sº J/(mol-K) Al(s) 28.28 Cl₂ (g) 223.0 AlCl3 (s) 109.3 ASO = b. For the reaction 4HCN (1) +502 (9) 2H₂O(g) + 4CO2(g) + 2N2 (9) J/K Species SJ/(mol.K) HCN (1) 112.8 O2(g) 205.0 H₂O(g) 188.7 CO₂(g) 213.7 N₂ (9) 191.6 S° = c. For the reaction Species Na₂CO3(s) H+ (aq) Na2CO3(s) + H+ (aq) → 2Na+ (aq) + HCO3(aq) Na+ (aq) HCO3(aq) J/K Sº J/(mol-K) 138.8 0 ASO d. For the reaction 59.1 91.2 J/K 2PbO(s) + N₂(g) → 2Pb(s) + 2NO(g) Species S J/(mol-K) PbO(s) 66.32 N₂ (9) 191.6 Pb(s) 64.78 NO(g) 210.6
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter17: Chemcial Thermodynamics
Section: Chapter Questions
Problem 17.52QE
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![Calculate AS for the following reactions, using standard entropy values from the table below.
a. For the reaction
2Al(s) + 3Cl₂ (g) → 2AlCl3 (s)
Sº J/(mol-K)
28.28
223.0
109.3
Species
Al(s)
Cl₂ (g)
AlCl3 (s)
ASO =
b. For the reaction
J/K
4HCN (1) +502 (9) 2H₂O(g) + 4CO2(g) + 2N2 (9)
Species S J/(mol-K)
HCN (1)
112.8
O₂(g)
205.0
188.7
213.7
191.6
H₂O(g)
CO₂(g)
N₂ (9)
AS =
c. For the reaction
Species
Na₂CO3(s)
H+ (aq)
Na+ (aq)
HCO3(aq)
AS =
J/K
Na2CO3(s) + H+ (aq) → 2Na+ (aq) + HCO3(aq)
Sº J/(mol-K)
138.8
0
ASO
d. For the reaction
59.1
91.2
J/K
2PbO(s) + N₂(g) → 2Pb(s) + 2NO(g)
Species SJ/(mol-K)
PbO(s) 66.32
N₂ (9)
191.6
Pb(s)
64.78
NO(g) 210.6
J/K](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffcaf0374-1550-4ffb-84ad-720668c0d5ec%2F15bbf06b-df54-4dfe-9ac0-32dd606c4450%2Fmeb6xud_processed.png&w=3840&q=75)
Transcribed Image Text:Calculate AS for the following reactions, using standard entropy values from the table below.
a. For the reaction
2Al(s) + 3Cl₂ (g) → 2AlCl3 (s)
Sº J/(mol-K)
28.28
223.0
109.3
Species
Al(s)
Cl₂ (g)
AlCl3 (s)
ASO =
b. For the reaction
J/K
4HCN (1) +502 (9) 2H₂O(g) + 4CO2(g) + 2N2 (9)
Species S J/(mol-K)
HCN (1)
112.8
O₂(g)
205.0
188.7
213.7
191.6
H₂O(g)
CO₂(g)
N₂ (9)
AS =
c. For the reaction
Species
Na₂CO3(s)
H+ (aq)
Na+ (aq)
HCO3(aq)
AS =
J/K
Na2CO3(s) + H+ (aq) → 2Na+ (aq) + HCO3(aq)
Sº J/(mol-K)
138.8
0
ASO
d. For the reaction
59.1
91.2
J/K
2PbO(s) + N₂(g) → 2Pb(s) + 2NO(g)
Species SJ/(mol-K)
PbO(s) 66.32
N₂ (9)
191.6
Pb(s)
64.78
NO(g) 210.6
J/K
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