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When heated, lithium reacts with nitrogen to form lithium nitride. What is the percent yield of the reaction if 13.9 of Li is heated with 33.3 g of N2 and the actual yield of Li3n is 6.64 g?
Using the Bohr equation for the energy of any level in a hydrogen atom, calculate the energy of each level, n=1 through n=8 and n=(infinity), f. Calculate change in Energy
if you take a 12.5 mL portion of the stock solution and dilute it to a total volume of 0.600L what will be the concentration of the final solution?
Calculate the potential of the cell. Indicate whether the reaction will proceed spontaneously in the direction considered (oxidation on the left, reduction on the right) or an external voltage source is needed to force this reaction to occur
lungs now contain 0.15 moles of oxygen gas, and 0.60 moles of nitrogen gas. If your lungs are at 1.4 atm of total pressure, what is the partial pressure of oxygen gas inside your lungs?
A 0.200 M solution of a weak monoprotic acid HA is found to have a pH of 3.00 at room temperature. What is the ionization constant of this acid?
What is the molecular equation, total ionic equation, and net ionic equation for Cu(NO3)2 and NaOH
Determine the calculated pH of the solution if initially there is 2.0mL of CH3COOH at an initial concentration of 0.89M and 0.80mL of 1.0M Hydrochloric Acid is combined.
How many grams of hydrogen can be theoretically formed. How much of which reactant will be left after the reaction is over
The CaC2O4*H2O precipitate is not completely air-dried when its mass is determined. Will the reported mass of the limiting reactant in the original salt mixture be reported too high or too low
What is the concentration of SO2. 2SO2(g)+O2(g)===2SO3(g) Keq=3.94 at 600 degress celsius
Show the stereochemistry of the products you would expect when (2S,3S)-2,3-epoxypentane undergoes acid catalyzed hydrolosis.
Which elements exist as three-dimensional, solid structures in their most stable states under atmospheric conditions. Check all that apply. a.)Cl b.)Hg c.)Si d.)Br e.)Mg f.)O g.)Kr h.)I
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