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- Give a clear explanation handwritten answer.....give detailed answer of all sub parts1#9. Use the information provided below to find out the molecular formula and structure of the compound. QE-300 CDCl3 al Relative Intensity 100 80 60 40 20 +0 0-min 10 3454 #1 3456 57 2907 15 2944 20 2910 36 2879 50 TO ALLE 1 In 20 30 2716 81 2001 04 2438 1 2154 84 1991 84 1972 77 1733 4 1476 23 1470 25 1447 19 1421 16 1116 25 1160 9 40 50 1306 1270 1140 1022 9 974 27 657 25 76466 6 $ 60 m/z MENYERL 70 722 27 608 13 1900 80 90 100 110 120
- Calculate delta Ho for the rxn: Na2O (s) + SO3 (g) --> Na2SO4 (g) given the ff information: 1. Na (s) + H2O (l) --> NaOH (s) + 1/2 H2 (g) delta Ho = -146 kJ 2. Na2SO4 (s) + H2O --> 2NaOH (s) + SO3 (g) delta Ho = +418 kJ 3. 2Na2O (s) + 2H2 (g) --> 4Na (s) + 2H2O (l) delta Ho = +259 kJ The answer should be -581 kJ. I am very confused. thank you.Which of the following molecules is represented in this IR spectrum? INFRARED SPECTRUM TRANSMITTANCE 0.8 000 0 ABCD 0.6 0.4 0.2 3000 Wavenumber (cm-1) NIST Chemistry WebBook (http://webbook.nist.gov/chemistry) A B 2000 -NH₂ CH3 OH с 1000 A при OHPlease explain how to use DEPT spectra
- ica O CHEM-3A-81091-2... ead W ical Part A PCl5 (g) PC13 (1) + Cl2(g) Use A for [PC15], B for [PC13], C for [Cl2]. ΜΕ ΑΣΦ Keq AC1.8 Submit Previous Answers Request Answer × Incorrect; Try Again; 3 attempts remaining Part B 2KNO3(s) = 2KNO2 (s) + O2(g) Use A for [KNO3], B for [KNO2], C for [02]. Keq = ΜΕ ΑΣΦ Submit Part C Request Answer Pollen tomorrow ? ?5. Hence show that: OU (hv exp(-ẞhv)) hv exp(-2ẞhv) =-3Nhv + oß (1-exp(-ßhv)) (1-exp(-ẞhv)) Hint 1: you will need to use the quotient rule: yf'(x) xf'(y) f'(x) f'(y) (f'(y))² (f'(y))² Hint 2: the following identity will avoid you having to use the chain rule: d (1 − e√(x)) = − f'(x)e√(x) dxHalogenated compounds are particularly easy to identify by their mass spectra because both chlorine and bromine occur naturally as mixtures of two abundant isotopes. Recall that chlorine occurs as 35Cl (75.8%) and 37Cl (24.2%); and bromine occurs as 79Br (50.7%) and 81Br (49.3%). At what masses do the molecular ions occur for the following formulas? What are the relative percentages of each molecular ion? (a) Bromomethane, CH3Br (b) 1-Chlorohexane, C6H13Cl
