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A metallic element with edge length 362 pm crystallizes in a face-centered cubic unit cell. What is radius of the atom?
Determine whether a bond between each of the following pairs of atoms would be pure covalent, polar covalent, or ironic.
If 6.15 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 -! CO2 + H2O, how much oxygen is required
What is the pH of a 0.0278 M solution of CaO? HINT: CaO is ionic and dissociates into ions. What is the oxygen ion that results? What kind of an acid or base is it? You need to write out the acid/base reaction to get the stoichiometry right.
A 50.00-mL sample of .1000 M KOH is titrated with .287 M HNO3. Calculate the pH of the solution after 52.00 mL of HNO3 is added.
Succinic acid, an intermediate in the metabolism of food molecules, has molecular mass = 181.1 amu. When 1.926 g of succinic acid was dissolved in water and titrated, 65.20 mL of 0.5000M NaOH solution was required to neutralize the acid.
when power was turned off to a 30.0 gal. water heater the temperature of the water dropped from 75.0degc to 22.5degc.
an unknown solution contains only two absorbing species thymol blue and methylthymol blue. this sample had absorbance
Determine which elements are being oxidized and which elements are being reduced in each reaction
Which of the following terms define(s) an acid according to the Bronsted-Lowry theory?
The half-cell is a chamber in the voltaic cell where one half-cell is the site of an oxidation reaction and the other half-cell is the site of a reduction reaction.
Determine the extent of reaction and amounts of B & Z and A reaction having time independent stoichiometry follows the equation
what type of intermolecular forces are between ch3ch2ch2cl and
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