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Compute the energy per photon as well as the energy per mole of photons of radiation of wavelength (a) 200 nm (ultraviolet), (b) 150 pm (x-ray), (c) 1.00 (microwave).
Based on the following chemical equation 2C6H6 + 15O2 12CO2 + 6H2O calculate the number of moles of CO2 that will be produced
calculates the molarity of a calcium carbonate standard solution that contains 0.2430 grams of calcium carbonate
diamond crystallizes in a cubis cell with a+0.35670 nm and Z=8. Using 3.51 g/cm cubed as the density of diamond calculate te value of avagadro's number.
For a 0.25M solution of HF: a) Write the ionization equation, b) What will be the concentration of all species present, excluding water, when the reaction is at equilibrium?, c) What will be the pH, d) what will be the percent ionization
Phosphorus-32 is used in the form of Na2HPO4 in the treatment of chronic myeloid leukemia, among other things. (a) The isotope decays by beta-particle emission. Write a balanced equation for this process.
How much HCl gas can be produced at STP by reacting 198 g of NaCl with excess H2SO4?NaCl + H2SO4 ! NaHSO4 + HCl.
calcium carbonate fw 100.09 reacts with hydrofluoric acid hf to form caf2caco3s 2 hf ------gt caf2s h2ol
Calculate the total amount of caffeine that can be extracted into three portions of methylene chloride. Caffeine has a distribution coefficient of 4.6, between methylene chloride and water.
Compound A, , was found to be optically active. On catalytic reduction over a palladium catalyst, 2 equivalents of hydrogen were absorbed to yield compound B. Ozonolysis of A gave two compounds. One was identified as acetaldehyde
What is the molarity of the stock solution of luminol? What volume of the stock solution (Part A) would contain the number of moles present in the diluted solution (Part B)?
Which of the following ionic compounds will be more soluble in acid solution than in water? Explain your choice/s
From the 1H NMR spectrum of dibenzalacetone can you deduce what stereoisomer(s) of dibenzalacetone is (are) formed. The chemical shift of the alkene protons is downfield from the expected resonance. What is the shift due to
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