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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.
2.0 moles of a nonelectrolyte solute are added to 1.0 kg of an unknown solvent. The freezing point is depressed by 7.9 K. Calculate the molal freezing point constant (Kf?) for this solvent.
For many reactions near room temperature, the rate and the rate constant approximately double for a 10 °C rise in temperature. What is the value of activation energy in kJ/mol for such a reaction?
supoose that ammonia, applied toa field as a fertilizer, is washed into a farm pond containing 3.0 x 10^6 L of water. if the pH of this pond is found to be 9.81
As of 2007 world record for swimming 1500.0 m in a long course pool is 14 min 34.56 s. if we follow this rate then calculate how many seconds would be taken by a man to swim 0.850 miles?
Calculate partition coefficient of caffeine between water and each of two organic solvents. (c) Can you use diethyl ether to extract caffeine from water? Why/why not.
What is the molar solubility of Mns, in grams per liter, in a buffer solution that is 0.110 M HC2H3O2 -0.505 M NaC2H3O2? For Mns
At 10 degrees, Kc = 56.3 for the reaction below. H2 + Cl2 --> HCl
Predict stereochemistry of the products formed if the addition of bromine to fumaric acid occurs via Syn addition
how many days does it take for 16g of palladium-103 to decay to 1.0g? the half life of palladium -103 is 17days
What is the oxidizing agent, the reducing agent, and the substances being reduced and oxidized for the following Redox Equation
A piece of charcoal from a tree killed by the volcanic eruption that formed the crater in Crater Lake (in Oregon) gave 7.0 disintegrations of carbon-14 nuclei per minute per gram of total carbon.
You have 100 mL of a .10 M Acetate buffer pH 4.75 composed of .050 M Acetic Acid and .050 M Na Acetate. 100 ml of pure water is added and the pH is still 4.75. Use the henderson hasselbalch equation to explain what happened.
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