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Nickel crystallizes in face center cubic unit cell with an edge length of 375 pm. Determine the density of nickel in g/cm3
Indicate the number of unpaired electrons for following: [noble gas]ns^2(n-2)f^6 ? Please include the rationale?
why is it important to perform a fractional distallation slowly? what happens if a fractional distallation is done very quickly by rapidly raising
Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 8.00 moles of aluminum sulfate Al2(SO4)3 . Express the number of moles of Al, S, and O atoms numerically, separated by commas.
calculate the molarity and mole fraction of acetone in a 1.06 m solution of acetone ch3coch3 in ethanol c2h5oh. density
the small bubbles that form on the bottom of a water pot that is being heated before boiling are due to dissolved air
Calculate the concentrations of H+, H4IO6-, and H3IO62- in a 0.200 M H5IO6 solution. Use the following equations
When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are formed.
What is the vapor pressure, at 28 degrees C, of a solution made by mixing 80.0 g of C3H7SH and 120.0 g of CH3CN, if Raoult's Law is obeyed
The half life of polonium-210 is 138.4 days. How many milligrams of polonium-210 remain after 415.2 days if you start with 2.0 mg of the isotope?
Ionization energy is the energy required to remove an electron from an atom in the gas phase. The ionization energy of lead is 715.0 kJ/mol.
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity as 0.030 M Na2SO4 at 36,000 units?
A 0.5000-g sample containing NaHCO3, Na2CO3, and H2O was dissolved and diluted to 250.0 mL. A 25.00-mL aliquot was then boiled with 50.00 mL of 0.01255 M HCl. After cooling, the excess acid in the solution required 2.34 mL of 0.01063 M NaOH when t..
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