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The vapor pressure of trichloromethane is 40.0 mmHg at -7 degrees C, and its heat of vaporization is 29.3 kJ/mol. Estimate the normal boiling point of trichloromethane. This is what I have thus far: ln 760/40 = -29200 J/mol / 8.314 J/mol x k (1/T2 - 1/ 266)
How much heat is needed to raise the temperature of 81.0 g of water from 34 degrees celsius to 9.0x10^1 degrees celsius
A student added 0.40 mL of acetic anhydride instead of 4.0 mL. Did this procedural error affect the theoretical yield of her preparation? Briefly explain.
Which sequence of reactions would you use to synthesize 2-cyanohexane (racemic mixture) using 1-hexene as your starting material? options: a) Reaction with (1) H2SO4 (cat.)
Lipitor blocks production of chlosterl in the liver. In addition to this reduction of the serum level of cholsterol, HDL acts to remove LDL from the bloodstream. How might this occur?
identify the oxidizing agent in the reaction mg2hclh2mgcl2 the generation of hydrogen gas in the
Calculate the partial pressures of the gases if the total pressure is 2.00atm at a given temperature.
What is the molar mass of adrenaline in a solution of 0.64 g of adrenaline in 36.0 g of CCl4 elevates the boiling point by 0.49?
a persons blood alcohol c2h5oh level can be determined by titrating a sample of blood plasma with potassium dichromate
copper-64 is used to study brain tumors. assume that the original mass of a sample of copper-64 is 26.00g. After 64 hours, all that remains is 0.8125g of copper-64. What is the half-life of this radioactive isotope?
Calculate the pH at the equivalence point for titrating 0.170 M solutions of each of the following bases with 0.170 M HBr.
the partial pressure of o2 in air at sea level is 0.21 atm. using the data in table 13.2 together with henrys law
The half-lives of different radioisotopes are given in the table below. If the initial amount of indium-117 is 8.4 g, how much indium-117 is left in the body after 86 minutes?
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