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How many amps are required to produce 72.5 g of potassium metal from a sample of molten potassium chloride in 7.63 hours?
determine the volume occupied by .582 moles of a gas at 15*C if the pressure is 622 mm Hg?
What volume of carbon dioxide (CO2) will be produced if 2.90 moles of iron (Fe) is produced?
If 147 g of CaO and 267 g of NH4Cl are mixed, what is the maximum possible yield of NH3?
A certain substance has a molar heat of vaporization of 31.6 kj/mol. How much of the sunstance is in a sample that requires 57 kj to vaporize.
Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.
A certain substance has a heat of vaporization of 29.00 kj/mol. At what Kelvin temperature will the vapor pressure be 3 times highe
Compute the atomic weight for this naturally occurring element A and A Naturally occurring element A exists in three forms of its isotopes
What characteristic absorption bands would you expect to find in the infrared spectrum of caffeine?
At equilibrium, the flask contains 90.6g HI Calculate the equilibrium constant for the reaction at this temperature.
Calculating Delta H, Use some or all of the following reaction enthalpies to calculate delta H for the reaction:
Carbon disulfide, CS2, is a volatile, flammable liquid. It has a vapor pressure of 400.0 mmHg at 28.0°C and 760.0 mmHg at 46.5°C. What is the heat of vaporization of this substance?
Assume that sucrose is a molecular solid and does not ionize when it dissolves in water. Kf values are given here.
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