Be sure to answer all parts. Use the table to calculate ΔG for the following reactions at 25°C. Species Δ G o f (kJ/mol) Mg(s) 0 O2(g) 0 MgO(s) −255.0 SO2(g) −300.57 SO3(g) −370.53 C2H2(g) 168.43 CO2(g) −394.65 H2O(l) −237.35 H2O(g) −228.77 (a) 2 Mg(s) + O2(g) → 2 MgO(s) kJ (b) 2 SO2(g) + O2(g) → 2 SO3(g) kJ (c) 2 C2H2(g) + 5 O2(g) → 4 CO2(g) + 2 H2O(l) kJ
Be sure to answer all parts. Use the table to calculate ΔG for the following reactions at 25°C. Species Δ G o f (kJ/mol) Mg(s) 0 O2(g) 0 MgO(s) −255.0 SO2(g) −300.57 SO3(g) −370.53 C2H2(g) 168.43 CO2(g) −394.65 H2O(l) −237.35 H2O(g) −228.77 (a) 2 Mg(s) + O2(g) → 2 MgO(s) kJ (b) 2 SO2(g) + O2(g) → 2 SO3(g) kJ (c) 2 C2H2(g) + 5 O2(g) → 4 CO2(g) + 2 H2O(l) kJ
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 10.7PAE: On the basis of your experience, predict which of the following reactions are spontaneous. (a)...
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Question
Be sure to answer all parts.
Use the table to calculate ΔG for the following reactions at 25°C.
Species |
Δ
G
|
|||
Mg(s) | 0 | |||
O2(g) | 0 | |||
MgO(s) | −255.0 | |||
SO2(g) | −300.57 | |||
SO3(g) | −370.53 | |||
C2H2(g) | 168.43 | |||
CO2(g) | −394.65 | |||
H2O(l) | −237.35 | |||
H2O(g) | −228.77 |
(a) 2 Mg(s) + O2(g)
→
2 MgO(s) |
|
|
|
(b) 2 SO2(g) + O2(g)
→
2 SO3(g) |
|
|
|
(c) 2 C2H2(g) + 5 O2(g)
→
4 CO2(g) + 2 H2O(l) |
|
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