05) Determine Assume the soil coefficient (log Koc). factor teem in your molecular structure is given as по Collection The followe : Calculations. Bekow CI Given, log Koc = ос NH2 0.53' x + 0.62 + Σ n; Pj, Where X is the first order molecular connectivity n; is the number of groups of type 'j molecule and Pj Is Collection factor in Index the for each group. (6 marks) [Last question Numerical
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- „Buzm. Wittig I CH, Br, PPh3 4 2. nBuliBasis: https://youtu.be/Y4NMpO1xI8UJjadiWoxT77ErtzZpGbzESWCdKA-XuxbGs-AaPzd3NjMOpEj_fK_yyMe4DwaRdZ3h4BNyNo400u. * GASES, LIQUIDS, AND SOLIDS Using the Kf and Kb equations with electrolytes Jeneen v A certaln liguld X has a normal bolling polnt of 122.80 °C and a bolling polnt elevation constant K,=1.43 °C-kg mol some glycine (C,H,NO,) in 550. g of X. This solution bolls at 125.5 °C. Calculate the mass of C,H,NO, that was dissolved. -1 A solution is prepared by dissolving 9. Be sure your answer Is rounded to the correct number of significlant digits. do X10 Explanation Check ©2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility MO op Ce esc 大 & @ # 00 %24
- (a) Melting points of the halogens Halogen Mr (to 1 do) Tm (°C) Fluorine, F2 e.g., 2 x 19.0 38.0 = -220 Chlorine, Cl₂ -101 Bromine, Br₂ -7.2 lodine, 1₂ 253.8 114 1. Plot a graph Tm (°C) y-axis v Mr of halogen x-axis, using graph paper 2. Describe & explain the trends in terms of the type & size of the intermolecular forces, which exist in the substances in the space below. Trend: Explanation:factors which would contribure to departure from Nernstian behaviour.View History 322 Fall Term (1) X 21,298 18.3 Gibbs Free E... 5.3 Enthalpies of... 2 Bookmarks Profiles W Bb 102326596 a U awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInwwu8tj0Qp9_elX93zDkOsKR2ut90i... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le... Math 115 W-SI 0 O ELECTROCHEMISTRY Calculating the mass of an electrolysis product from the applied... Explanation When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead (II) sulfate (PbSO) is reduced to lead at the cathode and oxidized to solid lead(II) oxide (PbO) at the anode. Suppose a current of 18.0 A is fed into a car battery for 76.0 seconds. Calculate the mass of lead deposited on the cathode of the battery. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 3 E Check 145 8 $ 4 X Bb Chem.114.3F18SampleExam2c X R 0.0 > X H 음 % 5 $ Ⓡ T tv N 6 197 Y A…
- A quantitative theory of bonding in ionic crystals was developed by Born and Meyer along the following lines: the total force of the system is taken to be: ae² F(r) = N-NA where N is number of positive - negative ion pairs, A and n are constant determined from experiment and at the Madelung constant which depends on the crystal structure of the solid. 1) Derive an expression of the total potential energy and identify the repulsion and the attraction terms. 2) Derive an expression of the equilibrium interatomic distance, re 3) Derive an expression of the bonding energy. 4) if the charge of the ions is double, by what factor both the equilibrium interatomic spacing ro and the bonding energy U(ro) change. Indicate which parameter increase or decrease. Comment on the magnitude of the change of both parameters.2 3. a. Estimate the lattice energy for the fictitious compound KF₂ from the Born-Mayer or Born-Lande equation, assuming a fluorite structure and rk₂+ = 120pm and rf. = 131pm.K A ALEKS-Allie Fleming - Knowled X + s.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-IQUHIQg6bJxmeSyVpHOEB1plef9xyC5Ca9Q14Cm8FsVr70MbNcRx5VpHQJcXN3yjdYAdrBSubpKisgFSETEPIBJBAytRljo? 10B.. Module Knowledge Check Blast furnaces extra pure iron from the iron(III) oxide in iron ore in a two step sequence. In the first step, carbon and oxygen react to form carbon monoxide: 2C(s) + O₂(g) 2 CO (g) 1 In the second step, iron(III) oxide and carbon monoxide react to form iron and carbon dioxide: Fe₂O3(s) + 3CO(g) → 2Fe(s) + 3 CO₂(g) Suppose the yield of the first step is 60.% and the yield of the second step is 84.%. Calculate the mass of carbon required to make 7.0 kg of iron. Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits. $ 10 I Don't Know R % Submit 5 T 16 4- ^ 0. 18 6 Q Search X 17 ♡ Y 09 & 7 ロ・ロ 3 fa 18 144 U * Question 14 19 Dill 8 ( f10 DPI 9 O f11 10 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility O f12…
- "F0rmat: Giv3n: Requir3d: Equati0n: Soluti0n: Answ3r:xwidevumaodecsrnocrmiocrvsntrclfmvrcxAMOICcinozcstbunvrlmxcmervor,tnivCCBSVI,dv,drvnkcnvunivrmrn binbo,bynlmrvtmiceucreivnebttnoevnejsfkdnxmvnfgkdjfkdgjksfjsnsfrgirog .1.If a dry gas is isothermally mixed with a liquid in a fixed volume, will the pressure remain constant with time? ans. No, explain. asnjcaericaqeonievtbcneivobuvntoigobnrcotuicnivvnrv1). The susceptibility of FeCl₂ obeys the Curie-Weiss law over the temperature range 90 K to room temperature (293K), with 0 =48K. Its molecular susceptibility at room temperature is 1.475 1022 emu/Oe g mol). (Use: N= 6.022 x 1023 atoms/g-mol, KB= 1.38 × 10-¹6 erg/K) (a) Show that the effective magnetic moment is 5.4 µB. (b) Show that the value of J is 2.25. (c) At an applied field of 8000 Oe, what is the value of the molecular field at 0 °C ?