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While 250 mg of eugenol the compound responsible for the odor of oil of cloves, was added 100 g of camphor it lowered the freezing temperature by 0.62 K. Compute the molar mass of eugenol.
kf (camphor) = 39.7 K kg mol(^-1)
The final temperature of the uranium as well as deuterium mixture is 28.5 degrees Celsius. Specified the desities of the uranium (19.05) g/cm3) and heavy water (1.11 g/mL). Compute the edge length of the piece of cubic uranium.
A 0.484g sample of impure NH4Br is treated with 25.00ml of 0.2050 M NaOH and heated to drive off the NH3. The unreacted NaOH in the reaction mixture after heating required 9.95mL of 0.0525 M H2C2O4 to neutralize.
Determine the expression for the rate of reaction with respect to each of the reactants and products.
Using the Maxwell-Boltzman function, calculate the fraction of Argon gas molecules with a speed of 305 m/s at 500 K. Please show all of your work and all of your derivations.
A two component liquid mixture was to be purified via simple distillation technique. THe boiling points of the pure liquids were 146C and 200C. Would you recommend carrying out this distillation
The world record for the marathon (26.2 miles) is 2:03:38 (hrs:min:s). Assuming constant velocities, calculate the corresponding wavelengths for each runner (be sure to label which is which).
liquid heptane c7h16 burns in oxygen gas to yield carbon dioxide and water. what mass of carbon dioxide is produced
How many mL of Br2 (l) with a density of 3.12 g/mL must you dispense to have 1.56 mole (mol) of Br2 (l).
Upon isolation of the product it appears to be optically inactive. Explain what must have happened mechanistically. If your goal is to synthesize (S)-2-iodobutane, how might you modify the experiment to ensure that you do so in your next attempt
In the combustion reaction of 149 g of propane with excess oxygen, what volume of carbon dioxide if produced at STP?
A buffer solution is prepared by mixing 47.5 mL of 0.772 M carbonic acid with 58.8 mL of 0.0346 M sodium hydrogen carbonate. 1. Calculate the pH (to two decimal places) of this solution. Assume the 5% approximation is valid and that the volumes are a..
Fluorine has a greater first ionization energy than iodine, and the reason for this is because fluorine has a greater amount of shielding of outer electrons by inner electrons than does iodine.
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