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Concept explainers
(a)
Interpretation:
From the given compounds, compounds with higher value of solubility has to be identified and the reason for the higher value of solubility has to be explained.
The given compounds are chloroethane and methylethylamine.
Concept Introduction:
The physical properties are determined by the intermolecular forces, polarity of the compound and hydrogen bonding. If a compound is polar and have hydrogen bonding, the solubility will be more for that compound than in non-polar compounds.
Intermolecular forces:
The forces which acts in between the atoms to hold a molecule are said to be intermolecular forces. They are weak forces. Intermolecular forces are categorized as hydrogen bonding, ionic bonding, ion-induced dipole forces, ion-dipole forces and Vanderwaal forces.
Hydrogen bonding:
The attraction between a lone pair of hydrogen atom with that of an electronegative atom forms hydrogen bonding. Two water molecules are held together by hydrogen bond.
(b)
Interpretation:
From the given compounds, compounds with higher value of melting point has to be identified and the reason for the higher value of melting point has to be explained.
The given compounds are diethyl ether and 1-butanol.
Concept Introduction:
The physical properties are determined by the intermolecular forces, polarity of the compound and hydrogen bonding. If a compound is polar and have hydrogen bonding, the melting point will be more for that compound than in non-polar compounds.
Intermolecular forces:
The forces which acts in between the atoms to hold a molecule are said to be intermolecular forces. They are weak forces. Intermolecular forces are categorized as hydrogen bonding, ionic bonding, ion-induced dipole forces, ion-dipole forces and Vanderwaal forces.
Hydrogen bonding:
The attraction between a lone pair of hydrogen atom with that of an electronegative atom forms hydrogen bonding. Two water molecules are held together by hydrogen bond.
(c)
Interpretation:
From the given compounds, compounds with higher value of boiling point has to be identified and the reason for the higher value of boiling point has to be explained.
The given compounds are trimethylamine and propylamine.
Concept Introduction:
The physical properties are determined by the intermolecular forces, polarity of the compound and hydrogen bonding. If a compound is polar and have hydrogen bonding, the boiling point will be more for that compound than in non-polar compounds.
Intermolecular forces:
The forces which acts in between the atoms to hold a molecule are said to be intermolecular forces. They are weak forces. Intermolecular forces are categorized as hydrogen bonding, ionic bonding, ion-induced dipole forces, ion-dipole forces and Vanderwaal forces.
Hydrogen bonding:
The attraction between a lone pair of hydrogen atom with that of an electronegative atom forms hydrogen bonding. Two water molecules are held together by hydrogen bond.
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Chapter 15 Solutions
ALEKS 360 for Silberberg Chemistry: The Molecular Nature of Matter and Change
- 10- 4000 20 20 30- %Reflectance 60 50- 09 60- 40- Date: Thu Feb 06 17:30:02 2025 (GMT-05:0(UnknownP Scans: 8 Resolution: 2.000 70 70 88 80 3500 3000 2500 90 100 00 Wavenumbers (cm-1) 2000 1500 2983.10 2359.13 1602.52 1584.22 1451.19 1391.87 1367.07 1314.37 1174.34 1070.13 1027.33 1714.16 1269.47 1000 1106.08 1001.14 937.02 873.60 850.20 780.22 686.91 674.38 643.09 617.98 02/06/25 16:38:20arrow_forwardd. Draw arrow-pushing mechanism for an enzymatic retro-aldol reaction of the following hexose. Use B: and/or HA as needed. OH OH سية HO OH OHarrow_forward4. Calculate the wavelength of a photon needed to excite a transition between neighbouring energy levels of a harmonic oscillator of effective mass equal to that of an oxygen atom and with a force constant of 544 N m¹.arrow_forward
- 2. Identify the strongest type of intermolecular force that exists between each pair of compounds: a. Ammonium chloride / H₂O b. OH C. d.arrow_forwardREPORT FOR EXPERIMENT 9 (continued) NAME F. Solubility vs. Temperature; Saturated and Unsaturated Solutions Data Table: Circle the choices which best describe your observations. NaCl 1.0 g +5 mL water 1.0 g +5 mL water +1.4 g dissolved completely? yes/no saturated or unsaturated? dissolved completely? yes/no saturated or unsaturated? 2.4 g +5 mL water +heat dissolved completely? yes/no saturated or unsaturated? 2.4 g +5 mL water after cooling dissolved completely? yes/no saturated or unsaturated? NHC dissolved completely? yes/no saturated or unsaturated? dissolved completely? yes/no saturated or unsaturated? dissolved completely? yes/no saturated or unsaturated? dissolved completely? yes/no saturated or unsaturated? G. Ionic Reactions in Solution 1. Write the word and formula equations representing the chemical reaction that occurred between the barium chloride solution, BaCl,(aq), and the sodium sulfate solution, Na SO (aq). Word Equation: Formula Equation: 2. (a) Which of the…arrow_forwardIn the drawing areas below, draw the two most expected stable conformations of the following molecule: ייון Be sure your drawings make it possible to distinguish between the conformations. After you've drawn the conformations, answer the question below the drawing areas. Х S : ☐ ☑ 5arrow_forward
- Add curved arrows to show the forming and breaking of bonds in the reaction below. :Br: H 2 Add/Remove step ☑ H-Br: G હે Parrow_forwardPlease correct answer and don't use hand ratingarrow_forwardSafari File Edit View History Bookmarks Window Help く < mylabmastering.pearson.com Wed Feb 12 8:44 PM ✩ + Apple Q Bing Google SignOutOptions M Question 36 - Lab HW BI... P Pearson MyLab and Mast... P Course Home Error | bartleby b Answered: If the biosynth... Draw a free-radical mechanism for the following reaction, forming the major monobromination product: ScreenPal - 2022 CHEM2... Access Pearson 2 CH3 Br-Br CH H3 Draw all missing reactants and/or products in the appropriate boxes by placing atoms on the canvas and connecting them with bonds. Add charges where needed. Electron- flow arrows should start on the electron(s) of an atom or a bond and should end on an atom, bond, or location where a new bond should be created. Include all free radicals by right-clicking on an atom on the canvas and then using the Atom properties to select the monovalent radical. ▸ View Available Hint(s) 0 2 DE [1] H EXP. CONT. H. Br-Br H FEB 12arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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