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1) An organofluorine compound has a density of 0.773 g/L at 18.5 C and 223 mm Hg pressure. calculate the molar mass of the compound?
2) calculate the density of gaseous SF6 at a temperature of 15 C and a pressure of 0.942 atm?
a saturated solution of bariumchloride at 30C contains 150g water. how much additional barium chloride can be dissolved by heating
determine the minimum concentration of the percipitation the cation from the solution of the left. 0.035 M BaNO3; Naf.
What is the theoretical yield of bromobenzene in this reaction when 33.0 g of benzene reacts with 71.5 g of bromine?
The percent by mass of bicarbonate (HCO3-) in a certain Alka-Seltzer product is 32.5 %. Calculate the volume of CO2 generated at 37ºC and 1.00 atm when a person ingests a 3.29g tablet.
The Aldol condensation is very sensitive to the mole of ratio of starting materials used. What would be the products of 1:1 mole ratio
The atomic weight of a newly discovered el-ement is 10.600 amu. It has two naturally occuring isotopes. One has a mass of 10.000 gms and a natural abundance of 70.000%. What is the isotopic mass of the other isotope?
Reactions of Alcohols, Show how ethanol and cyclohexanol may be used to synthesize cyclohexyl ethyl ether using tosylation followed by Williamson ether synthesis.
What is the molar mass of a compound if one mole of the compound contains two moles of oxygen atoms, 6.022 × 1024 hydrogen atoms, and 60.05 grams of carbon?
The molar mass of the substance was found to be about 300g/mol. what is the molecular formula of the unknown powder? was the substance cocaine?
In May 1990 the French TGV train traveled the distance from Paris to Lille, France (127 miles) in .819 hours. What was the speed of the TGV in m/s?
calculate the minimum number of grams of C3H8(g) that must be combusted to provide the energy necessary to convert 2.93 kg of H2O from its solid form at -13.0°C to its liquid form at 75.0°C.
Ionization energy is the energy needed to eject an electron from an atom or ion. Calculate the ionization energy, IE
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