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Why does the tertiary amine -TRIETHYLAMINE have a much lower boiling point than 1-hexanamine, (its primary amine isomer)?
How many grams of oxygen are required to completely burn 5.90 grams of C3H8 in the following unbalanced equation: C3H8+02
What is the boiling point (in ?C) of each of the solutions below? For water, Kb = 0.51(?C ? kg)/mol. The vapor pressure of water at 45.0?C is 71.93mm Hg.
Converting Grams and Moles, To do this assignment, use your calculator to do the calculations required. Then invert the calculator to read the message word. Insert the message word into the appropriate space in the statement
What mass of O2 is required for the complete combustion of 68.9 g of pentane, C5H12, to CO2 and H2O?
How many grams of carbon monoxide (CO) are produced from a mixture of 70.0g SiO2 and 50.0 g of carbon. The balance ewaution is given below.
A 0.1000 m aqueous solution of a weak acid, HA, is 1.5% ionized. At what temperature does it freeze? Kf for water = 1.86°C/m.
The acid ionization constant of Fe(H2O)62+(aq) is 3E-6. Compute the pH of a 0.2 M aqueous solution of Fe(NO3)2. 5. Compute the solubility of Mg(OH)2 in a buffer solution at pH=10.31. The solubility product of magnesium hydroxide is 1.2E-11
Compare the experimental mole ratio of NaHCO3 to NaCl with the theoretical mole ratio. Explain the difference. The experimental mole ratio is 1:1.
oximes, phenylhydrazones and semicarbazones all belong to a family of compounds known as imines. what structural feature in these compounds makes this generalization valid
What volume of pure O2(g), collected at 27°C and 746 torr, would be generated by decomposition of 114 g of a 50.0% by mass hydrogen peroxide solution? Ignore any water vapor that may be present.
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.230 M HClO(aq) with 0.230 M KOH(aq). The ionization constant for HClO can be found here.
What is the Volume of 0.75 mol of Benzene (C6H6) at 20.7 degrees C. The density of Benzene is 0.879 g/mL
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