
Determine the entropy of formation,

(a)
Interpretation:
The entropy of formation of
Concept introduction:
The term entropy is used to represent the randomness in a system. When a system moves from an ordered arrangement to a less order arrangement, then the entropy of the system increases.
Answer to Problem 3.56E
The entropy of formation of
Explanation of Solution
The formation reaction of
The entropy of formation of
Where,
•
•
•
The standard entropy of
The standard entropy of
The standard entropy of
Substitute the standard entropy of
The entropy of formation of

(b)
Interpretation:
The entropy of formation of
Concept introduction:
The term entropy is used to represent the randomness in a system. When a system moves from an ordered arrangement to a less order arrangement, then the entropy of the system increases.
Answer to Problem 3.56E
The entropy of formation of
Explanation of Solution
The formation reaction of
The entropy of formation of
Where,
•
•
•
The standard entropy of
The standard entropy of
The standard entropy of
Substitute the entropy enthalpy of
The entropy of formation of

(c)
Interpretation:
The entropy of formation of
Concept introduction:
The term entropy is used to represent the randomness in a system. When a system moves from an ordered arrangement to a less order arrangement, then the entropy of the system increases.
Answer to Problem 3.56E
The entropy of formation of
Explanation of Solution
The formation reaction of
The entropy of formation of
Where,
•
•
•
The standard entropy of
The standard entropy of
The standard entropy of
Substitute the standard entropy of
The entropy of formation of

(d)
Interpretation:
The entropy of formation of
Concept introduction:
The term entropy is used to represent the randomness in a system. When a system moves from an ordered arrangement to a less order arrangement, then the entropy of the system increases.
Answer to Problem 3.56E
The entropy of formation of
Explanation of Solution
The formation reaction of
The entropy of formation of
Where,
•
•
•
The standard entropy of
The standard entropy of
The standard entropy of
Substitute the standard entropy of
The entropy of formation of
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Chapter 3 Solutions
PHYSICAL CHEMISTRY-STUDENT SOLN.MAN.
- 1. For each of the reaction "railroads" below, you are either asked to give the structure(s) of the starting material(s) or product(s), or provide reagents/conditions to accomplish the transformation, as indicated by the boxes. a. NaOMe H+ .CO,H HO₂C MeOH (excess) MeOH H3C Br يع CH3 1. LiAlH4 2. H3O+ 3. PBг3 H3C 1. Et-Li 2. H3O+ -CO₂Me -CO₂Me OH CH3 CH3 ল CH3arrow_forwardPredict the intermediate 1 and final product 2 of this organic reaction: NaOMe ག1, ད།་, - + H You can draw 1 and 2 in any arrangement you like. 2 work up Note: if either 1 or 2 consists of a pair of enantiomers, just draw one structure using line bonds instead of 3D (dash and wedge) bonds at the chiral center. Explanation Check Click and drag to start drawing a structure. Х © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Parrow_forwardWhat is the total energy cost associated with the compound below adopting the shown conformation? CH3 HH DH CH3arrow_forward
- ΗΝ, Draw Final Product C cyclohexanone pH 4-5 Edit Enamine H3O+ CH3CH2Br THF, reflux H Edit Iminium Ionarrow_forwardHow many hydrogen atoms are connected to the indicated carbon atom?arrow_forwardIdentify the compound with the longest carbon - nitrogen bond. O CH3CH2CH=NH O CH3CH2NH2 CH3CH2C=N CH3CH=NCH 3 The length of all the carbon-nitrogen bonds are the samearrow_forward
- Identify any polar covalent bonds in epichlorohydrin with S+ and 8- symbols in the appropriate locations. Choose the correct answer below. Η H's+ 6Η Η Η Η Η Ηδ Η Ο Ο HH +Η Η +Η Η Η -8+ CIarrow_forwardH H:O::::H H H HH H::O:D:D:H HH HH H:O:D:D:H .. HH H:O:D:D:H H H Select the correct Lewis dot structure for the following compound: CH3CH2OHarrow_forwardRank the following compounds in order of decreasing boiling point. ннннн -С-С-Н . н-с- ННННН H ΗΤΗ НННН TTTĪ н-с-с-с-с-о-н НННН НН C' Н н-с-с-с-с-н НН || Ш НННН H-C-C-C-C-N-H ННННН IVarrow_forward
- Rank the following compounds in order of decreasing dipole moment. |>||>||| ||>|||>| |>|||>|| |||>||>| O ||>>||| H F H F H c=c || H c=c F F IIIarrow_forwardchoose the description that best describes the geometry for the following charged species ch3-arrow_forwardWhy isn't the ketone in this compound converted to an acetal or hemiacetal by the alcohol and acid?arrow_forward
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