what is the structure from this NMR? how is it different from isopentyl acetate? 1.80 -...
Verizon < Finding displacement from velocity gra direction. 2:24 AM v (m/s) 4 3 > t (s) 0.5 1 1.5 2 2.5 3 3.5 -2 What is the butterfly's displacement Ar from t 2 s to 4 s? Answer with two significant digits. Stuck? Use a hint. Check
can you interpret the data of H-NMR of 2- chlorobenzoic acid and assign peaks? MSN-1-39 1 1/400/Orgolaba [rell 14 - 7.7984 ANNO Wanas ' (ppm) -7.7984 <7:799 111400/orgolab2 -7.5724 17.5527 17.5408 47.5387 27.5267 17.5229 -7.5065 7,5028 フフフフフフフフフ 444444443 (ppm) P10214 [rell O -13.396 12 % ក トトトトトトトトトトトトトトトトトトトトトト CONNNNOOOO ONNOTONING OOONOS 7.4310 7.4260 7.4200 7.4111 7.3904 2.5117 2.5075 12.5032 solvent [pp [10]
What structure matches the spectral data, assign peaks in the
NMR and IR above 1500, the mol ion and the m/z peak at 68
rper 2250 IR Spectrum Rould film 4000 3000 1200 800 2000 1600 V (cm) 100H 143 Mass Spectrum 80 41 M83 (<1%) 63 40 80 200 240 280 120 160 m/e TMS H NMR Spectrum (100 MHz, CDC, solution expensions at 400 MHZ 2013 to 226 203 1.07 10 9 O 3 8 7 6 5...
Label the spectra and propose a structure for the compound.
Compound 6 1 1755 IR Spectrum quid fim 1120 4000 3000 2000 V (cm 16001200800 ) Mass Spectrum So base peak M" 158 (<1%) No significant UV absorption above 220 nm C₂ H₂ 403 280 40 80 120 160 200 240 13C NMR Spectrum 150.0 MHz, CDCI, solution) DEPT Chut Chitch! proton decoupled 200 160 120 80 40 0 8 (ppm) TH NMR Spectrum 2200 MHZ. CDC, solution) 150 10...
Use a 95% confidence level. Are these results very different from the confidence interval 25.1 hg< μ< 28.3 hg with only 15 sample values = 26.7 hg and s=28 □hg<μ«Ohg (Round to one decimal place as needed.) Clear All
f(x,y)=0 2. (20 marks) Suppose X and Y are jointly continuous random variables with probability density function fc, 0<x<1, 0<y<1, x + y>1 else a) (2.5 marks) Find the constant, c, so that this is valid joint density function. b) (5 marks) Find P(Y > 2X). c) (5 marks) Find P(X>0.5 Y = 0.75). d) (5 marks) Find P(X>0.5 Y <0.75). e) (2.5 marks) Are X and Y independent? Justify your answer citing an appropriate theorem.
How much work is done by the electric force when a 0.50-C charge
is moved from the point (2.0 cm, 1.0 cm) to the point (6.0 cm, 6.0
cm)?
Figure < 1of1 y紅") V 30.0V x (cm) 2 4 6 8 12 V = 20.0 V V = 10.0 V V-0.00
Let X-(Xt ,0 < t < 1} be an arithmetic Brownian motion starting from 0 with drift parameter μ-0.2 and variance parameter ơ2-0.125. 1. Calculate the probability that X2 is between 0.1 and 0.5 2. Given that X 0.6, find the probability that X2 is between 0.1 and 0.5 3. Given that Xi- 0.2, find the covariance between X2 and X3
please answer all question show work number 7 only
please
The pH of 2.0M HCI is a) 2.0, b) 1.0, c) 0.0, d)<0.0. 1. 2. Thymol blue appears red below pH 1.0, yellow between pH 2.5-8.0, and blue above pH 9.5. An aqueous solution turns green upon adding one drop of thymol blue. The pH of this solution is a) 0.5, b) 7, c) 9, d) 11. The buffer HF/F can' be prepared by mixing a) HF and NaF, b)...
dynamics
< 2 of 8 Review Part A If the uniform 40-kg slender rod starts from rest at the position shown, determine its angular velocity after it has rotated 4 revolutions. The forces remain perpendicular to the rod.(Figure 1) Express your answer to three significant figures and include the appropriate units. | НА 4 ? WE Value Units Submit Request Answer 30 N 0.5 mſ0.5 m 0.5 m -1.5 m 20 N.m o 20 N