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Use planck's equation to determine the energy, in J/photon, of radiation of frequency 5.8*10^15 s^-1
A. 1.7*10^24JB. 5.2*10^-8JC. 1.7*10^-16JD. 5.8*10^-25JE. 3.8*10^-18J
If you dilute 25.0 of the stock solution to a final volume of 0.460 , what will be the concentration of the diluted solution?
How large should n be in order to approximate the integral from 0 to 1 sin(X^2) dx accurate to with in .001 using the midpoint rule
the manufacture of perfumes, contains 3.758 g of carbon, 0.316 g of hydrogen, and 1.251 g of oxygen. What is the empirical formula of this substance?
what is the maximum mass of water that can be released by heating a 8.904 g sample of nickelii sulfate
what is your prediction for the next reaction?
A gas sample has an original volume of 760 ml when collected at 720 mm and 25degC. What will be the volume of the gas sample if the pressure increases to 820 mm and the temperature increases to 30degC?
a technician is plating a faucet with chromium. What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 180 minutes using a constant current of 10.0 amperes
Estimate the density of Rb if it crystallizes in a body-centered cubic unit cell and has an atomic radius of 247.5 pm.
Calculate the total concentration of dissolved cadmium (i.e. sum of the concentrations of free Cd 2+ and Cd-chloride complexes) in a 0.1M NaCl solution that is in equilibrium with otavite at atmospheric PCO2 and a pH of 8.5. To what extent does ch..
A zero-order reaction has a constant rate of 2.40×10?4 M/s. If after 45.0 seconds the concentration has dropped to 2.00×10?2 M , what was the initial concentration
show that the energy eigenvaules for the free particle E=h2k2/2m are consistent with the classical result E=1/2mv2
What is the acidic solution to this half reaction. please show in detail. HCN+ Cro4^2- = CNO-+ Cr(OH)4-
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