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Use equations and words to explain how 2Px, 2Py, and 2Pz orbitals are constructed from 2P orbitals and the appropriate m1 components.
What is the expected boiling point of a solution prepared by dissolving 5.83 g of sodium iodide (NaI) and 59.2 g of water (H2O)? For water, Tb=100.00C and Kb=0.512C*m^-1.
If 200. mL of aqueous 0.862 M HCl is mixed with 200. mL of aqueous 0.431 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity.
When light of frequency 6.88×1015 s-1 shines on the surface of a metal, electrons are ejected with a maximum kinetic energy of 3.40×10-19 J. Calculate the wavelength of this light.
For benzene(C6H6), AE=30 and NE=38. Explain how the eight-electron deficiency is eliminated by the structure of the molecule.
How many grams of aluminum metal must react with aqueous sodium hydroxide to produce 7.50 L of hydrogen gas at 12.5 degrees Celsius and 740 torr if the other product is aqueous Na3AlO3. 2 Al (s) + 6 NaOH (aq) ----> 3 H2(g) + 2 Na3AlO3(aq)
A chemist wanted to determine the concentration of a solution of lactic acid, HC3H5O3. She found that the pH of the solution was 2.49. What was the concentration of the solution? The Ka of lactic acid is 1.4 10-4.
How many dimes do you need to buy as much candy as possible? How much should all these dimes weigh? How many pieces of candy could you buy? How much would this candy weigh? How many pieces of candy could you buy with twice as many dimes?
A 20.0-mL sample of 0.800 M HBr solution is titrated with 0.800 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.
What temperature would be observed during the entire distillation. B) If a thermometer were immersed below the surface of the liquid of the boiling flask, what temperature would be observed. C) What would be the composition of the distillation.
The standard reduction potentials listed in any reference table are only valid at standard-state conditions of 25 C and 1 M. To calculate the cell potential at non-standard-state conditions, one uses the Nernst equation
Hydrochloric acid HCl are permitted to react at atmospheric pressure and the volume change is -71.1 liters then determine how much PV work is done?
what will be the pressure of the gasesous water in a 4.25 L flask at 30.0 degrees celcius.
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