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what mass of water must be used to dissolve 20.0 grams of ethanol, C2H5OH, to prepar a 0.0500 molal solution of ethanol
1.27 (singlet, 6H); 2.12 (triplet,2H) and 4.26 (triplet, 2H). Determine the structure of the product and draw complete mechanism to show how it is formed.
Acid catalyzed hydration of 2-pentene giives two alcohols, each with the molecular formula C5H12O. a) Draw the structure of 2-pentene.
A proton in a linear accelerator has a de Broglie wavelength of 117pm. what is the speed of the proton?
Borazine has the formula (BHNH)3. The combination of a boron atom and a nitrogen atom is isoelectronic with two carbon atoms. How would you draw the stucture of borazine?
When 2.45 g of an unknown weak acid HA with a molar mass of 85.0g /mol is dissolved in 250.0g of water, the freezing point of the resulting solution is -0.256 C.
The nucleus of an atom accounts for... A-most of the size and mass of the atom. B-very little of the size and mass of the atom. C-most of the atom\'s size but very little of its mass. D-most of the atom\'s mass but very little of its size.
What is the concentration of CH3COOH (Ka = 1.8x10-5) in 50.0 mL of a 0.0187 M CH3COOH solution
A certain substance has a heat of vaporization of 44.76 KJ/mol. At what kelvin temperature will the vapor pressure be 4.00 times higher than
Write as a superposition of 3 eigenstates, indicating the numerical value of each coefficient. Using the coefficients, demonstrate that is normalized.
What is the PH of 5ml 0.10 M HC2H3O2 + 5ml H2O. Can you also explain how to approximate when finding [H+].
Explain which you would choose as a starting material to prepare an alkene with the maximum yield.
Cerium is often used as a reducing agent. Although it is expensive, it has a high stabile and constant value of E^ o over a PH range from 0 to 7.
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