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Calculate the energy difference between the ("spin up") and ("spin down") levels of a hydrogen atom in the 1 state when it is placed in a 1.60 magnetic field in the negative z-direction.
Lambda E=? in eV
Also, Which level has the lower energy, ms = 1/2 or ms = -1/2?
What is the activity coefficient of H in a solution containing 0.025 M HCl and 0.025 M Ca(ClO4)2?
Which protein(s) will bind tightly to CM Sephadex (a cation exchange resin) if loaded onto the column in a sample buffer whose pH is 7.0
As a food chemist for a major potato chip company, you are responsible for determining the salt content of new potato chip products for the packaging label.
You decide 20.1 g of KCl in 1.00 kg of water. The volume of the resulting mixture is virtually identical to the original volume of the 1.00 kg of water.
The student pounded the corners of the sample metal until it fit into the cylinder. Would this procedural change affect the density caculation
Can you name me 2-3 scientific problems in chemistry and their continuous mathematical models
The melting point of sodium is 98 degrees celcius. How much heat is absorbed by sodium when 800 grams os solid sodium metal become liquid at 98 degrees celcius?
at 600 degrees c the equilibrium constant for the reaction 2hgos --gt 2hg l o2 g is 2.8. calculate the equilibrium
Give at least 5 members (ions) of the same isoelectronic series as neon. Arrange them in order of smallest ionic radius to largest ionic radius.
why is it important to allow the flask and contents to cool to room temperature before weighing
The density of acetonitrile is 0.786 , and the density of methanol is 0.791 . A solution is made by dissolving 21.0 in 98.5
Using the volume of solvent calculated in question 1, calculate how much sulfanilamide will remain dissolved in the mother liquor after the mixture is cooled to 0 Degree C. Solubility of sulfanilamide at 0 degree C is 14mg/ml in 95% ethanol.
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