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Working from our Hamiltonian for hydrogen, what would be the Hamiltonian for He? In your Hamiltonian, label which term accounts for kinetic energy, the potential energy between the electrons and the nucleus, and the potential energy between the electrons. Keep in mind that Coulomb's law only applies to pairwise interactions, but that you can treat the nucleus as a single particle.
The weathering of pyrite (FeS2) in coal mines and in metal sulfide ore deposits can be represented by the following reaction
Assuming the delta S does not change with temperature, estimate the temperature at which iodine would sublime.
calculate the molecular mass of the nonionic solutes. 8.02 grams of solute in 8.61 grams of water lower the freezing point to -0.430 degress celcius.
For the following aqueous reaction complete and balance the molecular and write a net ionic equation for copper (II) nitrate + hydrosulfuric acid
What processing technology would you use to deposit aluminum? What is the processing technology you would use to etch a fine aluminum line? What chemicals are involved?
Explain why there was a decrease in entropy when the solid dissolved. That is, the reaction Ca(OH)2 (s) --> Ca(OH)2 (aq) represents a decrease in chaos for the system. Discuss the role of the solvent and how the dissolved solute could impact the e..
How do you balance redox reactions? Cr(OH)3 + Br2 --> CrO4-2+ Br-
how would you make a 500 ml solution that is 10mM Tris, 2mM EDTA. The formula of Tris is 121.1, EDTA's FW is 187
How many components are there in a system composed of arbitrary amounts of water, sodium chloride, and barium chloride?
Problem- Many computer chips are manufactured from silicon, which occurs in nature as SiO2. When SiO2 is heated to melting, it reacts with solid carbon to form liquid silicon and carbon monoxide gas. In an industrial preparation of silicon, 155.6k..
What is the molarity of the Na 2 S 2 O 3 solution if a 0.150 g sample of KIO 3 required 10.7 mL of Na 2 S 2 O 3 solution for its standardization?
To calculate the number of molecules of a gas using ideal gas law and Avogadro's number - How many ozone molecules are present in 1.0 L of air under these conditions?
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