LO-23. The measurement data for the dipole moment (µ) of two acid halide molecules expressed in Debye (D)units are HBr: 0.82 D and HI: 0.45 D. If the bond lengths of HBr and HI are 141 pm and 161 pm,respectively, calculate the partial charge (6) of each atom in the molecules. It is known that 1D=3.34x10-30 Cm. How many significant figures are in your answer? Explain.

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Answered: LO-2 3. The measurement data for the…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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M Inbox (1,600)-ftantil@udeledu xMail-Francesca A Tantillo-Out ← Capp.101edu.co < 1 90°F Mostly sunny 2 S 3 De Silane, SiH, is a colorless, pyrophoric, toxic gas that is used to deposit elemental silicon for semiconductor and photovoltaic applications. How many total valence electrons does the SiH. molecule have? E 4 4 40 $ x HOL R EXP #12: Geometry-CHM150-2x Aktiv Chemistry D F % 5 T G A Question 18.c of 23 6 Y 4 & H & 7 L U PrtScn 8 N Home T ( 9 K X End O 1 4 7 +/- 0 PgUp 2 P 5 8 1 ☆ 3 6 9 0 PgDn ^P* + = 1 O Update) x 100 Submit C X 5:58 PM 7/6/2022 Back
Given that the bond dissociation enthalpies, С-Н, Д. H ==410 kJ; diss Adis C, AgubH = 716 kJ; Н-Н, Д H =243 kJ; sub what is the enthalpy change of the reaction: C (s) + 2H, (g) → CH4 (g) ? Select one: а. -681 kJ b. -2842 kJ С. 792 kJ d. -438 kJ Considering the energy cycle, K* (g) CI (g) ДН3 715 AH = -320 AH = -378 KC(s) K* (aq) CI (aq) + ΔΗ- -1 what is the enthalpy of solution of KCl? Note that all energy values are in kJ mol Select one: а. -1413 kJ o b. 1413 kJ С. 773 kJ d. 17 kJ
Decide how the sketches below would be listed, if they were listed in order of decreasing force between the charges. That is, select "1" beside the sketch with the strongest force between the charges, select "2" beside the sketch with the next strongest force between the charges, and so on. -2 -1 OO 1 (strongest) 2 3 4 (weakest) 1 (strongest) 2 3 4 (weakest) X 1 (strongest) 2 3 4 (weakest) 1 (strongest) 2 3 4 (weakest) ? 000 Ar
Please absolute configuration of these compounds .
Combustion reactions involve reacting a substance with oxygen. When compounds containing carbon and hydrogen are combusted, carbon dioxide and water are the products. Using the enthalpies of combustion for C₂H₂ (-1300. kJ/mol), C₂H6 (-1560. kJ/mol), and H₂ (-286 kJ/mol), calculate AH for the reaction C₂H₂(g) + 2H₂(g) → C₂H6 (9) ΔΗ - Submit Answer Try Another Version Titem attempt remaining Cengage Learning Cengage Technical Support Previous Next> Email Instructor Save and Exit
Ibuprofen is increasingly recognized as a significant water pollutant with adverse effects on aquatic ecosystems. Many research groups are currently studying means to decompose ibuprofen in municipal wastewater treatment plants. One reaction is shown below: H H + 23 ö=ö + hv (222 or 385 nm) – H. 2 + 18 ö=c=ö + 10 ) Use the table of bond energies provided in the exam information to estimate the enthalpy of reaction for the decomposition of ibuprofen.
State the similarities and differences between an Sp2 molecule and Sp molecule of your choice in terms of physical and chemical properties
Q.1 i. Represent Lewis dot-cross diagram for the bonds formed between S and O atoms. Name the compound. Give two general properties of SO ii.
The azide ion, N3, is a symmetrical ion, all of whose contributing structures have formal charges. Draw three important contributing Lewis structures for this ion. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all nonbonding electrons. Show the formal charges of all atoms in the correct structure. Q Q Q ? ⒸNNNITY [] + F g i с H N S P Br CI | X Press [TAB] to move to the next option. Press (ALT+A) to get to the bonds and More
4
Given the following information, use the Kapustinskii equation (shown below and included in the additional information sheet I encouraged you to download and have available) to calculate the lattice energy for Cr2S3 in kJ/mol. Ionic radii: Cr3+ (62 pm), S2− (184 pm) d* = 34.5 pm Κ = 1.21 × 105 kJ pm/mol
Suppose that any given kind of bond, such as 0-H, has a characteristic electric dipole. That is, suppose that elec- tric dipole moments can be assigned to bonds just as bond energies can be. Both are usefully accurate approxi- mations. Consider the water molecule H `H Show that if MOH is the dipole moment of the OH bond, then the dipole moment of water is µ(H2O) = 2µ0H cos (0/2). What is the dipole moment µoH if µ(H,O) is 1.86 D?

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