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a) How many kg of nitrogen must be mixed with 5.00 kg of carbon dioxide to produce an ideal gas mixture that is 50.0% by volume of each component?
(b) For the resulting mixture of part a, determine the mixture molecular mass (Mm), gas constant (Rm), and the partial pressure of the nitrogen if that of the carbon dioxide is 0.0700 MPa.
Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr metal is 2.54 g/cm3
Question- Part 1) Crystal field splitting has what effect on d orbital energies. What effect does this have on the appearance of complex ions.
Mendeleev ordered the elements in his version of the periodic table on the basis of atomic masses instead of their atomic numbers. why
A puddle of coastal seawater, caught in a depression formed by some coastal rocks at high tide, begins to evaporate on a hot summer day as the tide goes out. If the volume of the puddle decreases to 23% of its initial volume, what is the concentra..
If the metal absorbs 848 J of heat as its temperature changes from 20.09 to 35.71. Calculate the thickness of the metal foil in mm
Write the structural formula of the main organic product of the following reaction between an alcohol (CH3OH), tosyl chloride, and then a nucleophile (CH3S-).
The standard cell potential (Ecell) of the zinc-air battery is 1.65V. If at 25 degrees celcius the partial pressure of oxygen in the iar diffusing through its cathode is 0.22atm, what is the cell potential (Ecell)? Assume the cell reaction is:
What is the FORMULA for the limiting reagent? What is the maximum amount of carbon dioxide that can be formed in grams? What amount of the excess reagent remains after the reaction is complete in grams?
A particular radioactive isotope has a half-life of 20.8 days. If you have 32.5 mg of the isotope at the beginning of the week, how many milligrams would you have 40 days later?
Write the net-ionic equation that represents the reaction that occurs when the C2H5NH2 solution is mixed with the HCl solution.
Solid CO2 (dry ice) sublimes at 195 K and its heat of sublimation ?Hsubl = 25.2 kJ/mol. A block of dry ice with a mass of 32.1 g sublimes. What is the entropy change, ?S, of the CO2? (Enter your answer in J/K).
natural gas can be represented by ch4 methane and gasoline can be represented by c8h18 octane. write the chemical
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