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Compute the value of the angular momentum in the z direction using the Lz operator in the ground as well as first two excited states. Remember to compute the value of an operator, act the operator on the wave function if the wave function is an eigenfunction of the operator, than the eigenvalue is the value of a measurement of the physical quantity corresponding to the operator.
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
Suppose that a fully charged lead-acid battery contains 1.50 L of 5.00 M H_2SO_4. What will be the concentration of H_2SO_4 in the battery after 2.40 A of current is drawn from the battery for 8.00 hours?
Explain what is the wavelength of light emitted when an excited electron in hydrogen atom falls from the n=5 level to n=2? use nanometers
Caffeine is made up of 49.5% C, 5.2% H, 16.5%O, and 28.9% N. A solution made up of 8.25g of caffeine and 100.0 of benzene (d=0.887g/ml) freezes at 3.03C. Pure benzene (kf=5.10 degrees C/m) freezes at 5.50C.
Calculate the concentrations of all species in a 1.75 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
NaOH is added to 625 mL of 0.250 M weak acid (Ka = 5.62 × 10-5). What is the pH of the resulting buffer?
How many moles of NO are formed from the reaction of 1 mol NH3. If the feed going to the reactor contains (0.430 mol NH3/mol O2), what is the limiting reactant, and the percent excess of the other reactant
Calculate the binding energy (in J) and the nuclear binding energy per nucleon of 107- 47 Ag (106.9051 amu). a. nuclear binding energy in J
An empty flask weighs 252.2 grams. When filled with water ( d= 1.00 g/cm3) the flask and its contents weigh 591.8 g)
Determine its composition, an aspirin tablet was crushed and dissolved in water. It took 12.25 mL of 0.1466 M NaOH to neutralize the solution. Calculate the number of grains of aspirin in the tablet (one grain = 0.0648 g).
The average mass of an atom of sulfur is 5.33 X 10-23 g. How many sulfur atoms are present in a 100.0g sample of sulfur
If a solution has a pH of 2.36 and you do a 20-fold dilution of it with ultrapure reagent-grade water, what will its pH be after you dilute it
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