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Write separate oxidation and reduction half reactions for the procedure used in the test for nitrate ions.
3 NO3-(aq) + 8 Al(s) + 5 OH-(aq) + 18 H2O(l)->3 NH3(g) + 8 Al(OH)4-(aq)
Of the two materials VO and NiO, which would be expected to exhibit more metallic properties?
Calculate the freezing point of a solution that contains 8.0 g of sucrose (C12H22O11) in 100. g of H2O. Kf for H2O = 1.86°C/m.
The moles of salicylic acid is 0.00724mol. The molar mass is 138.12 salicylic acid . Given 1.00 g of salicylic acid . Please show work? m=mol of solute X particles per formation/ mass of solvent, kg
What is the driving force for the rearrangement of intermediate carbocations during the dehydration of alcohols
Acetylene gas (C2H2) is produced by adding water to Calcium carbide CaC2. How many grams of acetylene are produced by adding water to 5g CaC2?
The density of silver is 10.5g/cm3 what is the volume im cm 3 of an ingot of silver with mass 0.743 kg. If this sample of silver is a cube how long in each edge in cm
What is the atomic mass of an atom if its mass is approximately equal to the following?
The arrangement of the orbitals is the same in a multielectron atom and a single-electron atom. In the Li atom, the 3s, 3p, and 3d orbitals have different energies. The He atom has one electron each in 1s and 2s orbitals.
What is the fraction of association for the following potassium propinate solutions? Ignore activities. The Ka of proponoic acid is 1.34*10^-5.
Calculate the solubility of Ce(IO3)3 (pKsp=10.86) in: a) distilled H20 b) 0.300 M Ce(NO3)3 solutiom c) 0.200 M KIO3 solution
a coffee cup calorimeter containing 100ml of 0.30M HCl at 20.3degrees celcius. when 1.82g of Zn solid is added, the temperature rises to 30.5 degrees celcius. what is the heat of reaction per mole of Zn.
What is the solubility of ZnCO3 at 25 degrees C in a buffer solution with a pH value of 10.33
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