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Explain what mass of molybdenum (III) oxide, Mo2O3 will be completely oxidized to potassium Molybdate, K2MoO4, by 35.0mL of 0.200 M KMnO4? 3MnO4- +5Mo3+ + 8H2O --> 3Mn2+ + 5MoO42- + 16H+
The solubility of calcium hydroxide in water at 25 Degrees is 150mg of calcium hydroxide per 100ml (ie 150mg remains dissolved in water and didnt precipitate out). Taking this into account in the above gravimetric analysis experiment; recalculate ..
the density of iron is 7.874 g/cm^3 at 300K. If iron forms a body-centered cubic lattice, what is the radius of an iron atom?
A balloon filled wit .500 L of air at sea level is submerged in the water to a depth that produces a pressure of 3.25 atm. What is the volume of the balloon at this depth
Acetone, CH3COCH3 , is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte as well as ammonium chloride, NH4Cl is a strong electrolyte.
THE IONIZATION ENERGY OF HYDROGEN. In a normal hydrogen atom, the electron is in the lowest energy state. The maximum energy that a hydrogen atom can have is 0 cm-1
Nitrogen gas when combined with hydrogen gas forms ammonia gas according to the following equation N2(g) + 3H2(g) = 2NH3(g). Delta H(rxn)=-56 kJ. The delta H(rxn) was determined using Hess's Law and the following three related reactions:
How much heat is required to warm 221 g of ice from -44.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Explain why a single Slater determinant is not exact for a system with more than one electron.
How could you separate barium sulfate,BaSO4,from (NH4)2CO3?
The first steps in the radioactive decay of 257 Uuh involves the rapid and successive emission of 2 alpha particles. [Note: Uuh is the symbol for ununhexium, which is element number 116.]
The solution CdC2O4 was titrrated with KMnO4 .01 M and sulfuric acid was added to the solution beforehand was well, 20mL and 3M.
In a crazy situation the Oylan Vinegar Company has 10,000 gallons of vinegar with a concentration of .114 M. It also hass a .68% acetic acid by mass
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