Concept explainers
(a)
To determine: The sign of entropy change and enthalpy change for the given process.
Solution: The enthalpy change and entropy change both are positive for the process of sublimation of solid.
Explanation:
The process of sublimation of solid involves the conversion of solid state to the gaseous state. This process always requires heat to proceed further. Therefore, the enthalpy change for this process is always positive.
The change of state from solid to gas involves increase in volume and randomness of the system which leads to the positive entropy change of the system.
Conclusion:
The enthalpy change and entropy change both are positive for the process of sublimation of solid.
To determine: The sign of entropy change and enthalpy change for the given process.
Solution: The enthalpy change and entropy change both are positive for the process of sublimation of solid.
Explanation:
The process of sublimation of solid involves the conversion of solid state to the gaseous state. This process always requires heat to proceed further. Therefore, the enthalpy change for this process is always positive.
The change of state from solid to gas involves increase in volume and randomness of the system which leads to the positive entropy change of the system.
Conclusion:
The enthalpy change and entropy change both are positive for the process of sublimation of solid.
(b)
To determine: The sign of entropy change and enthalpy change for the given process.
(c)
To determine: The sign of entropy change and enthalpy change for the given process.
(d)
To determine: The sign of entropy change and enthalpy change for the given process.
(e)
To determine: The sign of entropy change and enthalpy change for the given process.
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Chapter 19 Solutions
Laboratory Experiments For Chemistry: The Central Science, Si Edition
- Nonearrow_forwardQ1: For each molecule, assign each stereocenter as R or S. Circle the meso compounds. Label each compound as chiral or achiral. + CI Br : Н OH H wo་ཡིག་ཐrow HO 3 D ။။ဂ CI Br H, CI Br Br H₂N OMe R IN I I N S H Br ជ័យ CI CI D OHarrow_forwardPlease correct answer and don't use hand ratingarrow_forward
- Nonearrow_forward%Reflectance 95 90- 85 22 00 89 60 55 50 70 65 75 80 50- 45 40 WA 35 30- 25 20- 4000 3500 Date: Thu Feb 06 17:21:21 2025 (GMT-05:0(UnknownD Scans: 8 Resolution: 2.000 3000 2500 Wavenumbers (cm-1) 100- 2981.77 1734.25 2000 1500 1000 1372.09 1108.01 2359.09 1469.82 1181.94 1145.20 1017.01 958.45 886.97 820.49 668.25 630.05 611.37arrow_forwardNonearrow_forward
- CH3 CH H3C CH3 H OH H3C- -OCH2CH3 H3C H -OCH3 For each of the above compounds, do the following: 1. List the wave numbers of all the IR bands in the 1350-4000 cm-1 region. For each one, state what bond or group it represents. 2. Label equivalent sets of protons with lower-case letters. Then, for each 1H NMR signal, give the 8 value, the type of splitting (singlet, doublet etc.), and the number protons it represents. of letter δ value splitting # of protons 3. Redraw the compound and label equivalent sets of carbons with lower-case letters. Then for each set of carbons give the 5 value and # of carbons it represents. letter δ value # of carbonsarrow_forwardDraw the correct ionic form(s) of arginine at the pKa and PI in your titration curve. Use your titration curve to help you determine which form(s) to draw out.arrow_forwardPlease correct answer and don't use hand ratingarrow_forward
- Nonearrow_forwardNonearrow_forwardCarbohydrates- Draw out the Hawthorne structure for a sugar from the list given in class. Make sure to write out all atoms except for carbons within the ring. Make sure that groups off the carbons in the ring are in the correct orientation above or below the plane. Make sure that bonds are in the correct orientation. Include the full name of the sugar. You can draw out your curve within the text box or upload a drawing below.arrow_forward
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