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The first step in the preparation of magnesium metal is the precipitation of Mg(OH)2 from sea water by the addition of Ca(OH)2. The concentration oh Mg^2+(aq) in sea water is 5.37*10^-2 M. Calculate the pH at which [Mg^2+] is diminished to 1.0*10^-5 M by the addition of Ca(OH)2.
Presume that we have a mixture of N2 (g) and O2 (g) of unknown composition whose total pressure is 385torr. If all the oxygen as is removed from the mixture by reaction with phosphorus, which doesn't react directly with nitrogen then the new press..
the water-gas shift reaction is crucial to many industrial processesh2og cog ? h2g co2gthe equilibrium constant for
What monomers make up the zylon polymer, and how is the monomer made in industrial quantities? Are alternative monomers ever used
write balanced equations for the reactions of calcium metal with each of the following elements. a. h2 b. o2 c. s8 d.
how many milliliters of a .250 m sulfuric acid solution would be required to completely react with 2.398 grams of solid
Since the air is going at 25 C and assuming atmospheric pressure, calculate the actual volume of air. Calculate the number of moles of CO2, H2O, O2 and N2 in the flue gas
1.what is the molar enthalpy of neutralization for 50.0ml of 1.0moll naohaq that react with excess 1.0moll
What mass of NO2 can be produced by the complete reaction of 45.00 g of ammonia with 94.00 g of oxygen
a mole of hydrogen gas was found to have an average de broglies wavelength of 1a 10-10m the approximate length of the
0.158g of a barium halide is completely precipitated out of H2SO4 and 0.124g of barium sulfate are produced. what is the true formula of the compound.
The feldspar sanidine KSi3AlO8 is found in quickly cooled volcanic (extrusive) rocks whereas microcline is found in slowly cooled intrusive rocks such as granites
Liquid nitrogen has a density of 0.807 g/mL at -195.8 °C. If 1.00 L of N2(l) is allowed to warm to 25°C at a pressure of 1.0 atm, what volume will the gas occupy.
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