login on time Question 8 4 pts In 4,4-dimethyl-2.pentanone, give the number of sets of equivalent protons in 1H NMR spectrum and show the splitting pattern of each set. Also, label the protons in the most downfield region and the upheld region.
Question 28 1 pts What type of splitting pattern(s) would you expect to see on the 1H NMR spectrum of the following molecule? vi O2 triplets, and 1 singlet O 3 singlets O 2 singlets O 2 triplets, and 1 doublet O2 doublets, and 1 singlet
v) The resonances at 6.63 and 7.17 have a J of 2 Hz. a. What does J stand for? b. What information can you derive from a value of 2? vi) Based on your spectra above your answer to iv) and v), is the chemical in the bottle compound A, B or C? Need help with all of question 3. Thank you :) QUESTION 3 A chemical bottle has been found in the lab, unfortunately it is incorrectly labelled and...
5 pts Question 17 Which structure belongs to the H NMR spectrum shown below? 3 2 PPM B) 0 C) D) ОА OB Ос OD
Question 26 1 pts 1. a) For the following benzene compound: CH3-C.CH4-CH3 (para), the total number of non- equivalent hydrogens is 2: True/False True False Question 27 1 pts 1. b) CH3-C6H4-Cl (ortho), the total number of non-equivalent hydrogens is 3: True/False True False Question 28 1 pts 1. c) olefinic hydrogens (hydrogen attached to sp² hybridized carbon) give d values at about 3-4 ppm : True/False True False D Question 29 1 pts 1. d) in a 300 MHz...
less than more than equal too Question 3 3 pts In Reaction 2, you added silver nitrate (AgNO3) to your solution of 1.0 M CoCl2. As mentioned in the lab procedure, silver nitrate dissociates in solution, yielding Agt and NO3. Silver I (Agt) loves chloride ions and will strongly bind to any that it can find. Upon binding with the chloride ions, a precipitate forms. Using your lab data to help you, answer the following questions below. + 4 CI...
D Question 2 10 pts A three phase full-bridge rectifier draws 12-kW from a power supply that has 150-V phase-to-phase voltage. The power factor is 0.77. What is the maximum (peak) value of the current delivered by the supply? 10 pts DI Question 3 A full bridge, square wave inverter supplies an RL load with R-7-Ohm and L-58-mH. The DC voltage is 90-V and the output waveform frequency is 60-Hz. What is the magnitude of the third harmonic of the...
3 pts Question 7 Corporation issues 100 shares of Preferred $2 stock, $100 par. What does the $2 represent? Premium Amount Total Dividends Dividend Rights per share Par Value