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a. A household lightbulb is a blackbody radiator. Many light bulbs use tungsten filaments that are heated by electric current. What temperature is needed so that ?max=550nm?
b. Using the Rydberg formula, calculate values for the frequencies of the photons associated with the atomic hydrogen emission lines in the Lyman series(k=1) for: n=2,3,10,100 and infinity. Expressing your answer in terms of R. Note how the frequency converges to a limiting value; this value is called the series limit. WHat is the energy of a photon associated with the series limit of the Lymann series?
write the overall equation for the reaction b. Give a detailed reaction mechanism for the reaction showing all steps and intermediates
How long will it take 10.0 mL of neon gas to effuse through a porous barrier if it has been observed that 91.2 minutes are required for 10.0 mL of Cl2 gas to effuse through the same barrier?
Because HCl and NaOH are a strong acid and base respectively, they dissociate completely and the pH of the solution is dependent only on the excess acid or base in the beaker at that point in the titration.
If the pressure exerted by ozone, O3, in the stratosphere is 3.0 times 10^- 3 atm and the temperature is 254 K, how many ozone molecules are in a liter?
Compute the composition of the crystals and the yield of the process. Also determine the composition of the mother liquor?
For which of the following would nitration (via Electrophilic aromatic substitution) occur in the ortho- and para- position?
At 900 degrees C, titanium tetrachloride vapor reacts with molten magnesium metal to form solid titanium metal and molten magnesium chloride
how many atoms are on the surface of the particle? What fraction of the gold atoms in the particle are on the surface?
Assume that the kinetic energy of a 1250 kg car moving at 115 km/h could be converted entirely into heat. What amount of water could be heated from 19 C to 48 C by the car's energy.
Rank each of the following measurements from smallest to largest
A Power plant is the main point source of SO2 emissions for a 25 km2 area. Estimate the steady-state concentration of SO2 for this area from this point source given the following temperature data. Windspeed= 5km/hr.
A sample of neon gas used in a neon sign occupies a volume of 1.50 L at a pressure of 630 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 793 torr.
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