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Calculate the number of electrons transferred in the following reaction when it is correctly balanced. C5H8O(g) + O2(g)---> CO2(g) + H2O(l)
What is the high-T approximation for rotations and vibrations? For which of these two degrees of freedom do you expect this approximation to be genrally valid at room temperature?
Using Standard Free Energies of Formation at 25 degrees C, determine if the production of phosgene gas COCl2 from the combination of carbon monoxide gas (CO) and chlorine gas (Cl2) is spontaneous at room temperature.
the diameter of a carbon atom is 1.54 A. (a) express this diameter in picometers. (b) how many carbon atoms could be aligned side byside across the width of a pencil lime that is 0.20 mm wide
And, of course, ammonia is a base so there will be some NH4+ in solution also. Assume that the concentration of unprotonated NH3 is 0.040 M. What fraction of the cadmium ions are in the form of Cd2+
List a possible set of four quantum numbers (n, \ell, m_{\ell}, m_s) in order, for the highest energy electron in gallium, \rm Ga. Refer to the periodic table as necessary.
a solution is prepared by dissolving 4.21 g of a non electrolyte in 50 g of water. if the boiling point increases by .203 degree celsius, what is the molar mass of the solute? the boiling point elevation constant for water is .502 degree celsius p..
what is the concentration of ammonia in a solution if 20.75ml of a .1130M solution of HCl are needed to titrate 100.0mL of that solution
Calculate the planar densities in ions per square nanometer on the (1 1 1) and (1 1 0) planes for (a) NiO and (b) NaCl. Ionic radii are Ni2+ = 0.078 nm and O2-=0.132nm, Na+=0.098nm, and Cl-=0.181nm
If you are given a 0.33 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced?
The solutions start out at 22.50 deg C, and the final temperature after reaction is 24.28 deg C. The densities of the solutions are all 1.00 g/mL, and the specific heat of the mixture is 4.2 J/g deg C . What is the enthalpy change for the neutrali..
Based on the Ksp values of CuS, PbS, MnS and HgS, which the the following ion pair will be the easiest to separete by fractional precipitation
at 710. mm hg a sample of nitrogen gas occupies 625 ml what volume does the gas occupy if the temperature constant and the pressure increases to 760. mm hg
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