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When a 200 MHz NMR is used to measure a proton. The measured Larmar frequency is 199999900 Hz. What is the value of chemical shift? When a 400 MHz NMR is used to measure the same proton, what is the chemical shift and Larmar frequncy of this proton?
Depict your all calculation in detail so I can understand the solution thoroughly
when 50.0 g of Copper are reacted with silver nitrate solution Cu + 2AgNo3 - Cu(No3)2 +2 Ag 148 g of silver are obtained. what is the percent yeild of silver obtained?
Determine the number of cells per milliliter of the original culture when the total number of colonies and the total number dilutions are as follows
Compute the energy of a photon from an FM radio station at a frequency of 101.2 MHz. respond in 4 sig figs.
Calculate the change in pH when 5.00 mL of .100 M HCL is added to 100 mL of a buffer solution
A heat lamp produces 20.0 watts of power at a wavelength of 5.7?m .How many photons are emitted per second?
Starting with benzene, outline a synthesis of each of the following (many of the answers will require more than one step): a) isoproylbenzene b) propylbenzene
What is the pH of a solution that contains three parts of acetic acid and one part sodium acetate?
For a Voltaic Cell involving Pb as the anode and Ag as the cathode, what would be the initial voltage of the cell if the initial concentration of Pb2+ was 0.5M and Ag+ was 0.1M
What is the molecular equation, total ionic equation, and net ionic equation for the reaction of Pb(NO3)2 and HCl
A 355 ml container holds .146g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 26 mmHg. Calculate the moles of Ar present
In few solid calcium carbonate samples, calcium bicarbonate, a(HCO3)2 is also present. State a balanced equation for its reaction with hydrochloric acid. Calcium Carbonate (s) + Calcium BiCarbonate (s) +Hydrochloric acid.
Problem- A 1.00 sample of solid magnesium was burned in oxygen to give a 1.658 g sample of pure MgO. The heat given off in this reaction was 24.76 kJ. Given this information, calculate the enthalpy of formation of 1 mol of MgO.
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