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In the synthesis of methyl salicylate from salicylic acid, there are density of methyl salicylate, methylene chloride and methanol. Why might the layers "switch" during the extraction?
The critical constants of ethane are Pc = 48.20 atm, Vc = 148 (cm^3)/mol, and Tc = 305.4 K. Calculate the van der Waals parameters of the gas, and estimate the radius of the molecules.
Question about Ideal gas law, Cyclopropane is used as a general anesthetic. If a sample of cyclopropane stored in a 2.00L container at 10.0 atm
Calculate the minimum chloride ion concentration needed to initiate precipitation of PbCl2 from a solution that contains 0.01M Pb^2+ (aq).
The mass of the final solution is 73.0 grams, and its heat capacity is 3.85 J/g°C; the heat capacity of the calorimeter is 5.0 J/°C. Calculate the Hreaction in kJ/mol metal.
Which sample contains more molecules, 3.14 L of Ar at 85.00C and 1111 mm Hg pressure or 11.07g of Cl2?
When X rays of wavelength 0.093 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2 degrees;. What is the distance between the layers of atoms responsible for the diffraction?
The density of a 50% solution of NaOH is 1.525 g/mL. What volume of a solution that is 50% by weight NaOH is required to make 1 Liter of 0.15M NaOH solution.
Small samples of oxygen gas needed in the laboratory can be generated by any number of simple chemical reactions, such as 2KClO3(s) 2 KCl(s) + 3 O2(g) According to this balanced chemical equation, how many moles of oxygen gas are produced from the..
A 20.0-mL sample of this glucose solution was diluted to 0.500 L . How many grams of glucose are in 100. of the final solution
During a structure fire, the pump runs for 30 minutes. How many pounds of water are used to extinguish the fire? The density of water is 1.0 grams per milliliter.
Which of the following is an example of an ionic crystalline solid? Choose one answer. a. calcite, CaCO3 b. fluorite, CaF2 c. iron pyrite, FeS2 d. silver chloride, AgCl e. all of these
the value of kf for cyclohexane is 20.0degcm and its normal freezing point is 6.6degc. a mass of 1.604 g of a waxy
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