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The He I (21.22 eV) photoelectron spectrum of a molecule shows three sharp peaks corresponding to photoelectron kinetic energies of 3.24 eV, 4.61 eV and 7.19 eV. What is the lowest ionization energy of the molecule?
Pretend you run a reaction and your theoretical yield is 5.25 grams, but you isolate 5.50 grams. What is the most likely reason for the excess weight
what is the electronic geometry about a central atom which has the following number regions of electron density? a) Four regions of electron density b) Six region of electron density
Please classify each of the following substances as a strong acid, weak acid, strong base, weak base or neutral.
A solution of acetic acid is prepared in water by adding 11.1 g of sodium acetate to a volumetric flask and bringing the volume to 1.0 L with water. The final pH is measured to be 5.25. What are the concentrations of acetate and acetic acid in sol..
Given the following dissolving process: Fe2(SO4)3 (s) = 2Fe3+ (aq) + 3SO42- (aq) How many grams of iron (III) ions are produced when 0.450 moles of sulfate ion are produced
newman projection along c3-c4 bond to show thw most stable and least stable confirmations of 3-ethyl-2,4,4,-trimethylheptane?
The atmosphere becomes colder at higher elevation. As an average the standard atmospheric absolute temperature can be expressed as Tatm = 288 - 6.5 × 10?3 z, where z is the elevation in meters.
a reaction is A--->P with the a reaction order of 2/3 with respect to A. What is the integrated rate law expression for this reaction, starting with the differential form of the rate law
if the freezing point of a .106 m CH3COOH solution is -.348 degrees Celsius, calculate the percent of the acid that has undergone ionization?
The density of air at ordinary atmospheric pressure and 25 0C is 1.19 g/L. What is the mass of air, in kg, in a room that measures 12.5 ft by 15.5 ft by 8.0 ft?
To prepare 1.40 L of a buffer solution having an ionic strength of 0.130 and a pH of 7.00 would require:
Values for Ksp at O degrees C, 50 degrees C, and 100 degrees C are 1.14X10^-15, 5.47X10^-13, and 4.9X10^-14 respectively. Calculate the pH for a neutral solution at each of these temperatures.
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