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the fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6*C. the specific heats of C2Cl3F3 (liquid) and C2Cl3F3 (gas) are 0.91 J/gK and 0.67J/gK, respectively. the heat of vaporization for the compound is 27.49 kJ/mol. Calculate the heat required (kJ) to convert 25.0 g of C2Cl3F3 from a liquid at 5*C to a gas at 82*C
Trimyristin can be synthesized from glycerol and tetradecanoic acid in 87% yield. If 25.00 g of trimyristin is needed, what amount of both starting materials (in grams) would need to be used in order to provide the needed amount of trimystin?
If the surface area of a human body is 16,100 square centimeters, what is the total weight of the atmosphere on a human body
Sorbic acid, C5H7COOH, is a weak monoprotic acid with Ka = 1.7 x 10-5. Calculate the pH of a solution containing 11.25 g of potassium sorbate in 1.75 L of solution.
If 100.0 grams of copper (Cu) completely reacts with 25.0 grams of oxygen, how much copper(II) oxide (CuO) will form from 140.0 grams of copper and excess oxygen?
why helpful.source site should show IGC,ILC, Trouble shooting and column packing
flask of nitrogen is collected over water at a total pressure 765.0 mm Hg. If the partial pressure of the water vapor is 25.0 mm Hg, what is the pressure exerted by the nitrogen?
A solvent for an industrial process requires the use of phenol or benzene. Both are about the same in effectiveness for the process, and of course, gloves will be used when handling either solvent
The absorbance of the unknown solution before the addition of the standard was 0.5622, and after the addition of the standard was 0.7822.
Write the mechanism for the aldol condensation of two molecules of propanal
25.0 mL of 1.50M LiOH are neutralized by 15.0mL of nitric acid. what is the molarity of HNO3?
The visual raw meat color was red(outside) and brown(inside) and when mixed with NaNO2 and NaNO3 the color changed to slight maroon and medium brown and pink.
A 147 gram piece of metal has a density of 7.00 g/mL. A 50 mL graduated cylinder contains 20.0vmL of water. What is the final volume after the metal is added to the graduated cylinder?
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