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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
The letter designations for the first four sublevels with the number of electrons that can be accommodated in each sublevel are what
Assume the radius of a neutron to be approximately 1.0; times ;10^{ - 13} {rm cm}, and calculate the density of a neutron.
Problem- Compound W, C8H17Br, and X, C8H17Cl, are products of the radical bromination (W), and chlorination (X), of 2,4-dimethylhexane. W and X are each chiral.
The conductivity of KCl is given as kappa=1.413ohms^-1 m^1 and the conductance of this solution is given as 1408microSiemens.
Calculate the concentration of H3O in a solution that contains 5.5 x 10^-5 M OH at 25 degrees celsius. Identify the solution as acid, basic, or neutral.
Using an instance, exemplify with equations the successive ionization energies necessary to remove the first, second and third electron from the same atom.
two determinations of the dissolved oxygen content of a 200 ml sample of water made five days apart gave 5.3 ppm and
If someone gave you a sample of metallic element, explain what physical properties might you use to identify the element? Presume you have a reference such as the handbook of chemistry and physics that lists physical properties of the elements.
What is the half life of this reaction if the initial concentration is 1.40 M. b) Given this same starting concentration, calculate the concentration after 3 minutes. c) How long would it take for the starting concentration to reduce to 0.50 M?
The pH of a 0.035 M solution of a weak acid, HX, is 4.25. Compute ka for HX as well as the percent ionization of HX in a 0.35 M solution
Write the lewis structure for SeF6. What is the general "ABX" structure, shape name, and molecular polarity?
the pi electrons in benzene can be approximated as particles ona ring. calculate the diameter of this electron ring if
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