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What wavelength lambda should the astrophysicist look for to detect a transition of an electron from the n= 5 to the n=3 level?
Which of the following would be expected to have the highest pH?
Calculate delta G at 298 K for the formation of 1 mole of 03 from 02 in urban smog, where [O2]=0.210 atm and[O3]=5.00x10^-7 atm
A 100 mL of a 0.100 M solution of vinegar (acetic acid, CH3COOH) is mixed with 100 mL of a 0.100 M baking soda (sodium bicarbonate) solution and a reaction proceeds that generates carbon dioxide, water and sodium acetate.
The molecular weight for chlorophyll a is 893.49 g/mol. If the molar concentration of the solution is .00000387, then what is the concentration of the solution in ppm (parts per million)
There is a relatively constant amount of carbon-14 in living (breathing) things on Earth. Upon death of the plant or animal ,the amount of C14 in the organism decreases, according to the kinetics of first-order decay, A?products.Carbon dating is a..
a 10.0 ml sample of vinegar an aqueous solution of acetic acid is titrated with 0.5062 m naoh and 16.58 ml is required
How does the energy of two photons corresponding to a wavelength of 451 nm (blue light) compare with the energy of three photons corresponding to a wavelength of 704 nm (red light)?
The precipitate formed was washed and dried .Its mass was 0.287g.Find the mass of NaCl in the initial sample.
What was the purpose of using aq. NaOH in aldol condensation lab? A. It acts as an electrophile on which an enolate ion can attack B. It acts as a nucleophile which can attack an electrophilic carbonyl carbon.
Calculate the heat released (in kilojoules) per gram of the compound reacted with oxygen. The standard enthalpy of formation of benzene is 49.04 kJ/mol.
the air in a bicycle tire is bubbled through water andcollected at 25 degrees celsius. if the total volume of gas
1 the reaction of aluminum and potassium hydroxide isgiven below als koh 3h2o -----gtkaq aloh4 - 32 h2g a how many
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