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On the basis of net ionic equation for the formation of Ba3(PO4)2 included in the lab instructions, if 5 moles of barium phosphate are formed, how many moles of phosphate ion, PO43-, must have reacted with Ba^2+, presuming that PO4^3- is the limiting reactant?
the heat of fusion of water is 6.008x103 jmol at its normal melting point of 272.15k. calculate the freezing point
Complete the following reaction and include All possible isomers of the product. One equivalent of each ligand is added to the reaction at the same time.
Calculate in kilojoules per mole the energy necessary to completely remove an electron from the first shell of a hydrogen atom R infty = 1.097 times10^-2 nm^-1
Barium peroxide decomposes when heated to give BaO and O2. Write the balanced equation for this reaction. How many moles of O2 is formed when 0.500 mole of BaO2 is decomposed
when 9.8 g of aluminum oxide (Al2O3) decomposes, how many grams of aluminum metal are produced?
The heat of vaporization, ?Hvap, of a certain liquid at 25oC is 77.8. kJ/mol. If one mole of the liquid has an entropy of 247 J/K, what is the entropy of one mole of the vapor in equilibrium with the liquid at this temperature
What is the partial pressure of SO2(g) in the larger container. What is the partial pressure of N2(g) in this vessel. What is the total pressure in the vessel
A mineral oil has a density of 0.875g/cm^3. Suppose you spread 0.65g of this oil over the surface of water in a large dish with an inner diameter of 21.6 cm. How this is this oil layer
using a solution that is containing 110-2 m pb2 ions is mixednbsp to 210 -4m solution of i-ions now you just need to
7.2 liters of an ideal gas are contained at 4.0 atm and 27 °C. Using the ideal gas law, calculate how many moles of this gas are present.
the greek mathematician archimedes is credited with discovering how to verify the amount of pure gold in an
The heat of vaporization of liquid nitrogen is determined by measuring the change in temperature of a known sample of warm water when liquid nitrogen is added.
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