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Leaves contain an array of different light-absorbing molecules to harvest the full spectrum of visible light. Some of these include β-carotene (the compound that makes carrots orange), which absorbs at λ = 450 nm and 470 nm.
A.) How much energy do individual photons of 450 nm light have?
B.) How much energy do individual photons of 470 nm light have?
If the following three chemicals (benzyl alcohol, benzaldehyde and benzoic acid) were chromato graphed using silica gel TLC plates, which should have the highest Rf value? Hint:What intramolecular forces are involved between each of these chemical..
When X amount of moles of glucose are dissolved in 5.60 x 101 mL of solution, the Molarity is 3.47 M. What is X
Methanol (CH3OH) can be manufactured by the reaction of gaseous carbon monoxide and hydrogen. Suppose 68.5 kg of gaseous carbon monoxide is reacted with 8.60 kg of gaseous hydrogen. If 37.5 kg of methanol is actually produced, what is the percent ..
an unknown mass of mgcl2 was dissolved in sufficient water to fill a 250.0 ml volumetric flask to the mark. a 10.00 ml
a series of solutions were prepared each containing exactly one mole of water mw 18.015 and varying amounts of acetone
the reaction 2a3bc is first order with respect to a and b. when the initial concentrations are a1.6x10-2 m and b
Calculate the enthalpy of the reaction: 2NO(g) + O2(g) --> 2NO2(g) given the following reactions and enthalpies of formation:
What is the new volume when a 50.0 cm3 container at standard pressure is expanded is expanded until the new pressure is 25.0 kPa? What is the new volume when a 50.0 cm3 container at standard pressure is compressed until the new pressure is 200.0 kP..
which molecule will undergo only london dispersion forces when interacting with other molecules of the same kind?
According to the following reaction, how many grams of sodium hydroxide will be formed upon the complete reaction of 27.5 grams of water with excess sodium?
What is the pH of a solution prepared by diluting 25.00 mL of 0.10 M HCl with enough water to produce a total volume of 100.00 mL
Ribonuclease S has 8 cysteines, which make 4 disulfide bridges total. How many ways can 8 cysteines form disulfide bridges
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