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Looking at the table of first ionization energy, if the n=1 shell held 3 electrons max instead of 2, then the first ionization energy for Li(g) would be around _____ MJ/mol.
a. ~1.9 MJ/mol
b. ~3100 MJ/mol
c. ~3.3 MJ/mol
A chemist added an excess of sodium sulfate to a solution of a soluble barium compound to precipitate all of the barium ion as barium sulfate, BaSO4. How many grams of barium ion are in a 487-mg sample of the barium compound if a solution of the s..
How many grams of aspirin were lost in the washing process you used to purify your product, assuming you used 50mL of water for washing? The solubility of aspirin in water is 0.33g per 100mL at room temperature.
what mass in grams of lead(II) Iodide is formed, assuming the reaction goes to completion? b) What is the molarity of Pb2+ in the resulting Solution?
a sample of sodium reacts complete with 0.497kg of chlorine, forming 819g sodium chloride. what mass of sodium reacted?
What current is required to depostit, on the cathode, 5.00 g of gold/hr from a solution containing a salt of gold(III)
Using the fact that on the surface of the Earth, where g is constant, 1 kg has a weight of 2.2 lbs, find your mass in kg. C) Convert your height in feet and inches into meters (1 ft = 30.48 cm; 1 in = 2.54 cm).
Lewis Structure for a Nitrate Ion (NO3-1). For the correct structure of the nitrate ion, what is the bond angle from O-N-O
When 24 copper pennies are submerged in water, the pennies displace 8.26 cm3 of water. If the combined mass of the pennies is 73.86 g, what is the density of copper?
what is the molar concentration of nitrous acid in a solution with a volume of 276 mL containing 17.1 grams of hydrogen nitrite?
A 4.50G sample of LiCl at 25.0 degree celcius dissolves in 25.0 mL of water also at 25.0 degree celcius. The final equilibrium temperature of the resulting solution is 60.8 degree celcius. What is the enthalpy of solution of LiCl expressed in kilo..
Determine the pressure in a 14.6 L cylinder filled with 0.440mol of N2 gas at a temperature of 327K.
Show the mutarotation of beta-D-glucopyranose to the alpha-D-glucopyranose. Show the open chain intermediate.
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