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For multi-electron atoms (which is any atom except for hydrogen), how are the various orbitals filled? What is the electron configuration for nitrogen? What is the electron configuration for chlorine? What is the electron configuration for iron?
A solution that is a mixture of 0.4 mol C2H4Br2 and 0.6 mol C3H6Br2 has a vapor pressure of 145 mmHg at a particular temperature. Determine the vapor pressure of pure C3H6Br2 at this temperature,
How much heat is evolved in converting 1.00 mol of steam at 130.0 C to ice at -50.0 C? The heat capacity of steam is 2.01 J/g*C and of ice is 2.09 J/g*C.
The earth has a radius of about 6.35 *10^6 m and a mass of 5.98 *10^24 kg. What would be the radius if the earth had the same mass density as matter in a nucleus
If you have a white powder that could be either Epsom salt or table salt, how could you decide which one it is
Explain an electron in a hydrogen atom has undergone a transition from N = 6 to N = 4 energy levels. Find the energy of the photon that is emitted in electron volts.
what is the percent yield of water produced when 138 g ethyl alcohol c2h5oh is combusted in excess oxygen if the actual
How many milliliters of 0.125 M HCl are needed to completely neutralize 48.0mL of 0.102 M Ba(OH)2 solution? How many milliliters of 0.122 M H2SO4 are needed to neutralize 0.210g of NaOH?
In two-photon ionization spectroscopy, the combined energy of two different photons is used to remove an electron from an atom or molecule. In such an experiment, a potassium atom in the gas phase is ionized by two different lasers
What is the molarity of C6H12O6 in an aqueous solution that is prepared by dissolving a 20.95 g sample of impure C6H12O6 in water to make 1,450 mL of solution. Assume that the sample is 93% C6H12O6 by mass. Enter your answer in mol/L, accurate to ..
A student is given chloroacetic acid as an unknown weak acid. Calculate the number of milliliters of 0.100 M NaOH required to reach the equivalence point in titration of 0.4840 grams of this acid
a solution is 0.010 m in both br- and so42-. a 0.250 m solution of leadii nitrate pbno32 is slowly added to it. a which
What is the pressure in millimeters of mercury of 0.0100 mol of helium gas with a volume of 211 mL at a temperature of 50^circ C?
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