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In an extraction involving an unknown acid and benzophenone, Dimethyl Ether, HCl, water... If the acid was incompletely extracted from the ether solution into the aqueous layer in the experiment. Would the experimentally measured melting point value of benzophenone be affected? Why?
the enthalpy fusion of methanol is 3.16 kJ/mol. How much heat would be absorbed or released upon freezing 25.6 grams of methanol?
A certain quantity of gas occupies 61.3 mL at 68C. If the pressure remains constant, what would be the volume of the gas at 128C?
Without referring to a table, select from the following list the gas that has the largest value of b in the van der Waals equation: CH4, O2, H2O, CCl4, Ne.
Draw the phase diagram of water and put a on the phase diagram to show the pressure and temperature conditions in the day and at night on the moon.
Calcium fluoride, CaF2, is a source of fluorine and is used to fluoridate drinking water. Calculate its molar mass to four significant figures.
Consider a mixture is a 2 dm^3 flask at 27 degree C. For each of the following mixtures, calculate the partial pressure of each gas, the total pressure, and the compositon of the mixture in mole percent. (Hint: for mole percent take your answer fo..
If the methane contained in 4.00 L of a saturated solution at 25 C was extracted and placed under STP conditions, what volume would it occupy?
Deviations from the ideal gas law are greater at A) low temperatures and low pressures. C) high temperatures and high pressures. B) low temperatures and high pressures. D) high temperatures and low pressures.
Calculate the concentrations of each ion present in a solution that results from mixing 49.6 mL of a 0.20M NaClO3(aq) solution with 25.3 mL of a .20 M Na2SO4(aq). Assume that the volumes are additive.
However, larger colloidal particles cannot pass through the dialyzing membrane. The process of dialysis can be used to separate smaller molecules from larger colloidal particles. NaC1 Solution albumin Solution starch solution
the atmosphere and since CO2 dissolved in water causes it to be slightly acidic, will the use of deionized water that has not been previously boiled cause the mass
determine the empirical formula of a dead alkaline battery if ofund to contain a compound of Mn and O. Its analysis gives 69.6% Mn and 34.4% O
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