webassign - 1. Question Details 1/3 submissions Notes...

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1. Question Details 1/3 submissions Notes Caffeine: C 8 H 10 N 4 O 2 Consider the molecular formula for caffeine above. Using only whole numbers with no decimal point, 4 mol of caffeine has mol of carbon, mol of nitrogen, mol of hydrogen, and mol of oxygen. 2. Question Details 1/3 submissions Notes How many moles of oxygen atoms are present in 4 moles of Mg(OH) 2 moles. 3. Question Details 2/3 submissions Notes How many grams of nicotine (C 10 H 14 N 2 )contain 53.0 g H? mass C 10 H 14 N 2 = g 4. Question Details 2/3 submissions Notes How many moles of TiCl 4 can be produced when 4.00 mol Ti react with 4.00 mol Cl 2 ? mol TiCl 4 produced How many moles of each reactant are left over? Note that at least one must disappear. mol Ti remain mol Cl 2 remain 5. Question Details 0/3 submissions Notes What are the frequency and energy of a photon with a wavelength of 220 nm. Report your answers to three significant digits.
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= s -1 E =J 6. Question Details 0/3 submissions Notes What is the energy in joules of a photon with a frequency of 1.00e+16 s
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webassign - 1. Question Details 1/3 submissions Notes...

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