Question 8 Not yet answered Flag question The indices for the direction shown in the figure are: Select one: O a. [111] O b. [101] C [111] Od [011] Oe. [111] Question 9 Not yet answered Flag question The vinyl chloride molecule is (C₂H3CI)n Calculate the molecular weight of polyvinyl chloride (PVC) molecule with n=40. Given: Molar mass: .M(C)=12.01 g/mole M(H)=1.008 g/mole .M(CI)= 35.45 g/mole

If A (K*) = 73.5 Scm?mol1, A† (AI³+) = 189 Scm?mol-1 and A (so;) = 160 Scm?mor1, then O a. Ao(KAI2(S04)2) = 165 Scm²mol-1 b. Ao(K2SO4) = 393.5 Scm?mol1 c. Ao(K2SO4) = 307 Scm²mol-1 %3D d. Ao(Al2(SO4)3) = 887 Scm?mol-1

Pictured here is the antibiotic daptomycin: H3N N. 'N- CONH20 NH HN HOOC HOOC. N' NH HO. H. N. HN' COOH NH2 HO %3D What is the likely charge of this molecule at pH 14 Vour answer is iust a number. Ex -1, 0, 1, 2 ZI IZ

3D drawing for  1.H2S 2. H3O+ 3. HCN 4. KrBr2 5. H2CO

PHS BC1 ) PHy (g)+bLs (9) %3D Why is [PHBC13] not in tne Kc equation?

3c

AⓇ i What is the molecular formula of this organic molecule? The molecule was charged using Nat. The result has an accuracy of 50ppm. OH 120 100 80 60 40 20 0 120 90 114 115.0267 100.00% 8 116 Molecular formula 2/10 117.0237 132.00% m/z 118 ISOTOPIC DISTRIBUTION 120 122

3 E D 80 C $ 4 R F 888 V 2.1 Sites in a compound with a 8+ are the places most likely to be attacked by an anion, such as hydroxide (HO). In the compound below, identify two such carbon atoms. %6 5 T MA G 6 B MacBook Air Y مینڈ H & 7 N 44 F7 U J * 8 Dil FB 1 M ( 9 K MOSISO 60 F9 O V I ) O L F10 P command { + = ? option 912

Co: (aq) + H2O (1) = HCO; (aq) + OH¯ (aq) [HCO, ][H2O] [Co ]H2O] Kea HCO3 ][OH] Kea [HCO5] [Co} ]H2O] Kea [Co}-]H2O] [HCO, ][H2O] Kea [Co [H2O] Kea [HCO ] Keg [HCO3 ][OH]

keAssignment/takeCovalentActivity.do?locator-assignment-take MI 2req 2req (X) 2req 2req 2req 2req 2req 2req A compound is found to contain 7.962 % silicon, 20.10 % chlorine, and 71.94 % iodine by mass. What is the empirical formula for this compound? To answer the question, enter the elements in the order presented above. Submit Answer Use the References to access important values if needed for this question. K Retry Entire Group 9 more group attempts remaining Previous Next 14 * - 0