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When the valves are opened and the gases are allowed to mix at constant temperature, what is the distribution of atoms in each container? Assume that the containers are of equal volume, and ignore the volume of the tubing connecting them.
describe why benzoic acid and 4-nitroaniline must be air dried for such a long time or placed in an oven before taking a final mass and finding the melting point
Calculate the freezing point of a solution that contains 30.0 g of urea, CH4N2O, in 200. g of water. Urea is a nonvolatile nonelectrolyte. Kf for H2O = 1.86°C/m.
A solution composed of 50% ethanol (EtOH), 10% methanol (MeOH), and 40% water (H2O) is fed at the rate of 100 kg/hr into a separator that produces one stream
A 250.0 mL aliquot of 2.50 M H2SO4 solution is mixed with a 250.0 mL aliquot of 4.00 M HNO3 solution. What is the molarity of hydrogen ions in the combined solution.
If 6.46 L of gaseous ethanol reacts with 16.1 L O2, what is the maximum volume of gaseous carbon dioxde produced
Vinegar is made by adding 33 grams of acetic acid to 625 grams of water. What is the percent by mass of acetic acid in this solution vinegar?
If 32.5 grams of CaO are dissolved in 212 grams of water, what is the concentration of the solution in percent by mass?
nitrogen reacts with hydrogen to form 1.058mg of the hydride. What is the empirical formula of the nitrogen hydride?
A 0.0100 L sample of H2SO4 (Sulfuric Acid) was titrated with 0.150 M NaOH. It took 23.3 mL of NaOH from the buret -- that's 0.0233 L -- to reach the titration endpoint.
Describe how a distillation works: how can you separate out things with it? which of the functional groups could you easily react via organic reactions to create different compounds
what is the difference between the ideal pressure (as predicted by the ideal gas law) and the real pressure (as predicted by the van der Waals equation)?
A student ran the following reaction in the laboratory at 689 K H2(g) + I2(g) 2 HI(g)
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