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The tetraethyl lead Pb(C2H5)4in a 25.00 mL sample of aviation gasoline was shaken with 15.00 mL of 0.02381 M I2. (Hint: one mole of I2reacts with one mole of the tetraethyl lead). After the reaction was complete, the unused I2was titrated with 8.27 mL of 0.02772 M thiosulfate solution. Calculate the weight of Pb(C2H5)4(MW = 323.4 g/mol) in each liter of gasoline.
What is the major product produced from the reaction of 2-methyl-2-butene with 30% HBr?
The vapor pressure of water at 20.0°C is 17.5mmHg . If the pressure of a gas collected over water was measured to be 453.0mmHg . What is the pressure of the pure gas
Calculate the heat capacity per gram of metal. Assume no heat is lost to the calorimeter or the surroundings. The specific heat capacity for water is 4.184 J/g
Sketch Flow diagram and explain the extraction process - What is the purpose of extracting the organic layer with water in the first extraction step?
what rate is heat released/absorbed (express in kW and state whether released or absorbed) when 4050 mol/h of liquid water are produced
A 0.300 M solution of an acid, HZ, has a pH = 1.301. What is the value of the ionization constant, Ka, for this acid?
What mass of cesium bromide must be added to .500 L of water (d=1.00g/mL) to produce a 0.144 m solution? What are the mole fraction and the mass percent of CsBr
Give the structure of a hydrocarbon that has six carbon atoms and three vinylic hydrogens and two allylic hydrogens
Europium (Europium is a chemical element with the symbol Eu and atomic number 63 )crystallizes in a body-centered cubic lattice compute the unitcell edge length in pm if The density of Eu is 5.26 g/cm3..
Using 250 mL of 0.250 M solution of CoCl2 and distilled water, how would you prepare 100 mL of 0.005M solution of CoCl2. What absorbance would you expect the solution to have
If a car has an EPA mileage rating of 30 miles per gallon, What is this rating in km L-1? 1 liter = 1 dm3, 1 gallon = 3.785 liter, 1 mile = 1.609 km.
The quality of a two-phase liquid-vapor mixture of H2O at 40Oc with a specific volume of 10m3/Kg is
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