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The normal boiling point of ethanol(C2H5OH) is 78.5'C. Using the informationfrom Thermodynamic Data at 1 atm and 25'C, and the following information:ΔH'f(C2H5OH(g)) = -234.38 kJ/mol
a) Determine the enthalpy of vaporization of ethanol.
b) Use the Clausius-Clapeyron equation to estimate the vaporpressure of ethanol at 25'C.
consider a mixture of air and gasoline vapor in a cylinder with a piston. the original volume is 40. cm3. if the
gold has a density of 19.3 g/ml. Suppose you have 100.0 glonkins of gold. what volume in liters will the gold occupy. please use unit analysis 0.911 ounce per glonkin and 28.35 grams
What are the percetages of each compound. Namphthalene = 17 cm^2 Phenol = 38cm^2 Toluene= 4 cm^2 question E) Calculate the retention times for th following componnts from teh following information. Component A= 7.6 cm, Component C=12.9cm. Chart sp..
What undesired by-product could form if reactions involving benzyne are not done under anhydous conditions
when potassium cyanide kcn reacts with acids a deadly poisonous gas hydrogen cyanide hcn is given off. here is the
Draw the structures of the products of the neutralization reaction between methylamine and acetic acid. Include lone pairs on the appropriate atoms.
question state three examples each of acids bases and salts commonly used in therapeutic processes. from the examples
A beaker with 160 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.40 mL of a 0.400 it M HCl solution to the beaker. How much will the..
In the technique of electron impact mass spectroscopy, molecular fragment are identified through a characteristic pattern of peaks at different values of m/z
The vapor pressure of a beaker of dilute aqueous solution of sucrose at 25 degree C is 3.111 kPa. Find the activity of water in this sucrose solution, given that the vapor pressure of pure water at 25 degree C is 3.167 kPa
Calculate the vapor pressure (in torr) at 298 K in a solution prepared by dissolving 19.1 g of the non-volatile non-electrolye urea {CO(NH2)2} in 108 g of water.
A buffer solution is made by adding 5.05 g of KOH (56.1 g/mol) to 500.0 mL of 0.400 M benzoic acid, HC7H5O2 (Ka = 6.6×10^-5). Calculate the pH of the solution that results when 100.0 mL of 0.150 M HCl is added to the above buffer (total volume is 6..
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