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An electron drop to what energy level is likely to emit a photon of red light?the secondthe firstthe third
Include stereochemistry using the single up & single down drawing tools, and draw only the hydrogens at chiral centers and at aldehyde carbons.
Predict whether reactions should occur between aqueous solutions of the following compounds. If so, write balanced molecular and net ionic equations for the reactions. Include physical states.
some inexpensive humidity detection systems consist of a piece of paper saturated with Na2CoCl4 that changes colors in dry or humid air.
A certain volume of a 0.90 M solution contains 4.1 g of a salt. What mass of the salt is present in the same volume of a 2.8 M solution
calculate the amount of energy in kilojoules needed to change 135 of water ice at 10 to steam at 125 . .... how many
The specific heat of mercury metal is 0.138J/gK. How much heat, in joules, is required to heat a 71.5 gram sample of mercury from -6oC to 54.4oC? Enter your answer in scientific notation with no units.
Calculate the percent yield of benzophenone to triphenylmethyl reaction. started with 4.09g of benzophenone and ended up with .682g triphenylmethyl can anyone help me convert these into moles and calculate the yield
Discussion for pH determination of acid,base and buffer solution
determine the mass of silver phosphate formed when 4.33 g of silver nitrate is reacted with 22.7 mL of .118 M K3PO4 ?
Which element will display an unusually large jump in ionization energy values between I3 and I4, its third and forth ionization energies. and why
Is the reduced form of cytochrome c more probable to give up its electron to oxidized cytochrome a or cytochrome b
identify the stronger acid in each of the following pairs a)NH4^+ or H3O^+ b)H2SO4 or HCN c)H2O or H2CO3
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