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A ground state H atom absorbs a photon of light that has a wavelength of 97.3 nm. It then gives off a photon that has a wavelength of 486 nm. What is the final state of the H atom? Please explain why you choose the values you do for N1 and N2 of the Rydberg formula.
Simplest and most informative way to characterize a carboxylic acid is to determine its neutralization equivalent. The number of carboxyl group in the molecule of the following compound is 1.
Draw a saturated and unsaturated hydrocarbon with 4 carbons in length and give their IUPAC
For the elementary processes whose equations are given below, determine whether each is unimolecular or bimolecular and determine the rate law for each process.
A sample of 1.00 mol of perfect gas molecules, originally at 1.00 atm, with a molar heat capacity at constant pressure of 7/2 R is put through the following cycle:
How much of either 5.0 M HCl or 5.0 M NaOH must you add (and which one)? Assume the pka for imidazole is 7.0.
the reaction a->b=c is found to be a zero order. If it takes 4.3 x 10^2 secounds for an initial conventration of A to go from .50 M to .25 M, what is the rate constant for the reaction
Silicon tetrafluoride reacts with F- to produce the hexafluorosilicate ion, SiF6 2-. GeF4 behaves similarily, but CF4 does not. (A) Draw Lewis structures for SiF4, GeF6 2-, CF4. What is the hybridization of the central atom in each species
A buffer is prepared by adding 23.0 g of sodium acetate ( CH3COONa) to 500 ml of a 0.145 M acetic acid ( CH3COOH) solution. A)Determine the ph of the buffer.
A titration was set up with standard potassium permanganate solution(.020 M). A volume of 17 mL potassium permanganate was need to reach the endpoint.
What is the molarity of a sodium chloride solution, if 6.62 g of NaCl are dissolved in enough water to make
Sodium cyclamate, NaC6H12NSO3, was a popular nonsugar sweetener until it was banned by the Food and Drug Administration. Its sweetness is about 30 times that of sugar
If a solution containing 43.297 g of mercury(II) acetate is allowed to react completely with a solution containing 12.026 g of sodium sulfate, how many grams of solid precipitate will be formed. How many grams of the reactant in excess will remain..
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