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Explain which light source, room light, uv lamp, or the sun must produce the highest potential and maximum current from a solar cell?
Define these results, based on what you know about the different light sources as well as about light energy (e.g. E = h?)
If the alkalinity of the spring water is due only to the presence of carbonate and bicrabonate, what are the concentrations of each of them
Make the 3 polynomial functions a0, a1+b1x, a2+b2x+c2x^2 orthonormal in the interval -1
How many atoms of manganese (atomic mass 54.94 g/mol) ar contained in 6.16 attograms
Permanganate ion will oxidize Cr3+ in acidic solution to produce Mn2+ and what other product. The answer is dichromate, but why.
Electron configurations are a shorthand form of an orbital diagram, describing which orbitals are occupied for a given element. For example, 1s^22s^22p^1 is the electron configuration of boron.
Draw a catalytic cycle for the synthesis of propionic acid from ethanol using a rhodium carbonyl catalyst. In each step give the electron count around the metal and the type or reaction
The initial concentration of some weak acid, HA, in an aqueous solution is 0.2530 M, at equilibrium the concentration of HA becomes 0.0957 mol/L. Calculate the Ka of the acid.
If you were extracting 4-chloroaniline and naphthalene (a mixture in ether), what reagents could you use to obtain a separation via extraction technique
Which of the following is an appropriate conversion factor to convert from feet to inches? Choose one: 1 inch / 12 feet 1 foot / 12 inches 12 inches / 1 foot 12 feet / 1 inch 1 inch / 2.54 cm
Molten AlCl3 is electrolyzed for 5 hours with a current of 0.40 ampere. Metallic aluminum is produced at one electrode and chlorine gas, Cl2, is produced at the other.
What is the mole fraction of the methane in the vessel?
The spherical r theta phi equation needs to be used but am having difficulty with the integral of the equations.
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