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The first ionization energy of lead (Pb) is 716 kJ/mol. If a Pb atom is ionized using a photon of ultraviolet radiation having an energy of 1.86E-18 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron?
Draw a mechanism for the dehydration of cyclohexanol catalyzed by phosphoric acid.
The other plate was placed in a chamber containing ethyl acetate, and after developed it showed two spots, one with an Rf value of 0.15 and one with an Rf value of 0.46. Explain how this occurred
Write the chemical equation describing solubility equilibrium and the solubility product constant expression for Cu(IO3)2(s) and Ba3(PO4)2(s)
Identify the general outer electron configuration for each group of elements shown in this periodic table outline.
nitric acid will give a better yield than acetic acid because with acetic acid some material is converted into benzaldehyde by cleavage of the bond between two oxidized carbon atoms that is activated by both phenyl groups. Any help would be apprec..
a 2.300 g sample of quinone c6h4o2 is burned in a bomb calorimeter whose total heat capacity is 7.854 kj.c. the
How many moles of NaOH were used? How many moles of H3PO4 were in the cola sample? What is teh concentration of H3PO4 in the cola sample?
A sealed container of xenon gas has a temperature of 24.3C at a pressure 12.0 atm. If the container is heated such that the new pressure of the gas is 34.6 atm, what is the new temperature of the xenon gas. (R=08206 K^-1 mol^-1)
What is the identity of the second major peak in the chromatogram and what is the third. What is your basis for these assignments
completely, showing all bonds, electrons, and charges in reactants and products. Draw a reaction arrow between the reactants and products and plus signs between each reactant and each product.
calculate the molality of a sucrose c6h22o11 solution containing 14.3 g of sucrose in 676 g of
The volume of fluorine gas required to react with 2.67 g of calcium bromide to form calcium fluoride and bromine at 41 ºC and 4.31 atm is how many mL
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