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For each element, first write the electronic configuration of all the electron then give the electronic configuration of the valence electron only: [a] magnesium [b] strontium [c] flourine. ( give the electronic configurations with the orbitals in order of increasing energy).
Determine the mass of copper that would release 438 J of heat while cooling from 284 degrees C to 25 degrees C
If it takes 34.0 mL of 0.0250 M K2Cr2O7 to titrate 10.0 mL of a solution containing Fe2+, what is the molar concentration of Fe2+.
The half-life of a chemical rxn is 8.00 minutes. Starting with a 0.500 M soln, APPROXIMATELY how much unreacted material would be remaining after 46 minutes
The wave function px and dxz are linear combinations of the spherical harmonic functions, which are eigenfunctions of the operators H, I^2, and Iz for rotation in 3D. The combinations have been chosen to yield real functions
55.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139 mL portion of that solution is diluted using 175 mL of water. What is the final concentration
Determine the energy in joules of a mole of photons coupled with red light of wavelength
when 15.0g of steam drops in temperture from 275.0C to 250.0C how much heat is released csteam=2.01j/gC
The 2s and 3s atomic orbitals of the H atom are orthogonal.. If they are both spherical in shape so what makes them orthogonal
a weather balloon at earths surface has a volume of 3.9 l at 275 k and 775 mm hg. if the balloon is released volume
How many mL of 0.145 M NaOH solution will be required to neutralize 5.00 mL of a 0.829 M HCl solution
Propose a mechanism for the acid-catalyzed syntheis of 4,5-dimethyl-dioxxolane from formaldehyde and 2,3-butanediol
The osomotic pressure of this solution was 10.68 torr at 25 degrees C. What is the molecular mass of the protein?
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