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Compute the energy separation in joules, kilojoules per mole, electron volts, and reciprocal centimeters between the levels (a) n = 3 & n = 1 (b) n = 7 & n = 6 of an electron in a box length 1.50 nm.
Calculate the Ph the percent dissociation as well as the consecration of c6h5o- and OH- IN a 0.10 m phenol solution hc6h5o ka=1.3*10-10 kw =1.0*10-14
A sealed balloon is filled with 1.00 L of helium at 23 degrees celsius and 1.00 atm. The baloon rises to a point in the atmosphere where the pressure is 220 torr and the temperature is -31 degrees celsius.
Experimental procedure, part A. whats is the procedure for preparing 250 mL of 0.0210 M Na2S2O3 for this experiment from a 100 mL volume of standard 0.106 M Na2S2O3?
What did the student do wrong? If the solution had been prepared correctly to the desired 1.0 M concentration, what volume of this stock should be diluted to prepare 100.0 mL of a 1.0 mM working solution?
For SO3 draw all possible resonant structures without violating the octet rule for S
Propose a structure for a compound A that has an infrared absorption at 1820 cm-1 and a single proton NMR absorption at ? 1.5. Compound A reacts with water to give dimethylmalonic acid and with methanol to give the monomethyl ester of the same aci..
If the mass spectrometer produced only the parent mass how might this prove limiting when identifying compounds
Calculate the theoretical yield of 1M of potassium chromate (50 ml) and Lead (II) nitrate 1 mol (50ml)
A wine-dispensing system uses argon canisters to pressurize and preserve wine in the bottle. An argon canister for the system has a volume of 29.1mL and contains 36.6g of argon.Assuming ideal gas behavior
A study of this system reveals that there are 4.0E-3 moles of sulfur dioxide gas, and 4.9E-3 moles of oxygen gas present in a 9.0L flask at equilibrium. The equilibrium constant for this reaction is 4.1E-3. Calculate the number of moles of SO3(g) ..
For propanoic acid (HC3H5O2, Ka = 1.3 multiplied by 10-5), determine the concentration of the species present, the pH, and the percent dissociation of a 0.27 M solution.
Calculate the pressure when temperature is increased to 383 0C and volume of container keeps constant?
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