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Two isotopes of carbon, carbon-12 and carbon-13, have masses of 19.93 x 10-27 kg and 21.59 x 10-27 kg, respectively. These two isotopes are singly ionized (+e) and each is given a speed of 6.75 105 m/s. The ions then enter the bending region of a mass spectrometer where the magnetic field is 0.8400 T. Determine the spatial separation between the two isotopes after they have traveled through a half-circle.
What holds solids or liquids and carries out reactions? what is used to mix or combine two or more substances? what it used to support an iron ring or clamp?
Structure of major compound formed from: alpha-D-methoxyglucopyranose + TBDPS-Cl/AgNO3
determine the number of moles of hydrogen atoms when you are given 2 moles of
Write balanced molecular equations for the complete neutralization of each of the acids with the base. Include physical states for all species. Acids: hydrochloric acid and sulfuric acid. Base sodium hydroxide.
a sample of cacl2 of 11.8 grams is dissolved in water of 121 grams with both substances at the normal room
The rest mass of a proton is 1.0072764669 u and that of a neutron is 1.0086649156 u. The 75As nucleus weighs 74.92160 u. Calculate the total binding energy of the nucleus.
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction isZn2+(aq)+2e??Zn(s)
The complex ion [Co(CN)3]^3- absorbs a photon of wavelength 2.90×10^2 nm. What is the splitting energy of this complex in kJ/mol?
A patient is given 0.055mg of technetium -99m, a radioactive isotope with a half-life of about 6.0 hours.
The insect repellent DEET is an amide that can be made from 3-methylbenzoic acid and diethylamine. A 5.6 fl oz can of DEET repellent contains 25% DEET by mass (1 qt = 32 fluid ounces).
What observed rotation is expected when a 1.36 M solution of (R)-2-butanol is mixed with an equal volume of a 0.680 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long?
For 0.51 M HCN (Ka=6.2 x 10-10), mark the major species found in the solution. H+ , HCN , CN-, H2O , OH, Now calculate the pH of the 0.51 M HCN solution (Ka= 6.2 x 10-10).
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