Identify the following compound from its ir and proton nmr
Identify the following compound from its IR and proton NMR spectra. C4H6O: NMR: ? 2.43 (1H, t, J = 2 Hz); ? 3.41 (3H, s); ? 4.10 (2H, d, J = 2 Hz) IR: 2125, 3300 cm-1 The C4H6O compound liberates a gas when treated with C2H5MgBr.
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A vapor-compression refrigeration system, using Refrigerant 134a as the working fluid, has evaporator and condenser pressure of 1.4 bar and 12 bar, respectively.
Identify an opinion you possess on a specific social, political, or educational issue.
Water, at volume flow rate Q=20 L/s, is delivered by horizontal fire hose and nozzle assembly. The hose (L = 100m, D = 75 mm, and e/D = .004) is made up of five 20 m sections joined by couplings
Calculate the volumetric flow rate and the mass flow rate assuming that the air has a density of 1.2 kg/m3 and describe the method of undertaking an anemometer traverse for a mine airway
A paper plant is proposed for a location 1 km upwind from a town. It will emit 40 g/s of hydrogen sulfide, which has an odor threshold of about 0.1 mg/m 3. Winds at the effective stack are typically 4 m/s blowing toward the town.
A salt dissolves in water to form a green solution. A precipitation is formed when the aqueous solution is treated with buffer NH4C/NH3 and thioacetamine.
a. Compute monthly labor productivity under each system. b. Compute the monthly multifactor productivity under each system c. Compute the changes in monthly productivity and comment on them according to the two measures.
Calculate the volumetric flow rate and the mass flow rate and determine the average flow velocity of the air and the air quantity flowing
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Auditing the investigation of an incident can provide important compliance information about which of the following?
A child has a desquamative rash of the hands and feet. Which additional finding should the nurse expect to observe with this rash?
In order to provide effective and safe care to medically complex residents, it is important to do which of the following?
This class has been focused on practical food safety tips and procedures that everyone should know because everyone eats
Which of the following describes what occurs with the statement of deficiencies? It is transmitted to the facility staff within 10 working days
You have just been hired. You learned during the interview that the facility was cited during the most recent survey for not providing adequate incontinent care
Edge Soccer Program (Edge) began the year with a cash balance of $10,500. The budget forecasts that collections from customers owed to the company