Open Question
Use data from Appendix IIB to calculate ΔSrxn ° for each of the reactions. In each case, try to rationalize the sign of ΔSrxn ° . a. C2H4(g) + H2(g) → C2H6(g)
Table of contents
- 1. Intro to General Chemistry3h 29m
- Physical & Chemical Changes19m
- Chemical Properties7m
- Physical Properties5m
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- 2. Atoms & Elements4h 16m
- The Atom9m
- Subatomic Particles15m
- Isotopes17m
- Ions27m
- Atomic Mass28m
- Periodic Table: Classifications11m
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- 22. Organic Chemistry5h 7m
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- Structural Formula8m
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- Naming Alkanes4m
- The Alkyl Groups9m
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- Naming Alcohols11m
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- Naming Ketones5m
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- Alkane Reactions7m
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- 23. Chemistry of the Nonmetals2h 39m
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- Magnetic Properties of Complex Ions9m
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- Magnetic Properties of Complex Ions: Octahedral Complexes11m
19. Chemical Thermodynamics
Entropy
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Which of the following terms best describes entropy in a thermodynamic system?
A
A measure of the number of accessible microscopic arrangements (microstates) consistent with the macroscopic state
B
The total amount of heat contained in a system
C
A measure of the average kinetic energy of particles in a system
D
The energy required to raise the temperature of 1 g of a substance by 1 °C
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