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Alpha-linolenic acid is one of a large group of fatty acids that are found in fish oil, walnuts and canola seeds. These nutrients are essential for good health. All of these fatty acids consist of an unsaturated hydrocarbon that is terminated by a carboxylic acid functional group. When a 16.218 g sample of unknown fatty acid is burned in oxygen, the process consumes 36.8 g of O2. The reaction produces 44.01 g of CO2 and 9.008 g of H2O. Based on these results and the molar masses of H (1.008 g), C (12.01 g) and O (16.00 g), how many hydrogen atoms are in each formula unit of the acid, CxHyO2? (What is the value of y?). how many H atoms per formula unit
what is the boiling point of a solution containing 2.33 grams of C8H10N4O2 , dissolved in 15 grams of benzene?
A solution contains one or more of the following ions: Pb 2+, Ca 2+, and Zn 2+. When sodium chloride is added to the solution, a precipitate forms
What is the theoretical percent, by weight, of calcium in Ca(OCl)2
What is the lewis structure for HIO3, including lone pairs. Assign formal charges. If a more equally stable resonance exists, draw it(them).
a solution of acetic acid is prepared in water by adding 11.1 g of sodium acetate to a volumetric flask and bringing
when pcl5 solidifies it forms pcl4 cations and pcl6- anions. according to valence bond theory what hybrid orbitals are
flask "a" has a volume of 0.50 L and contains 50 g of a volatile liquid. Flask "b" has a volume of 1.35L and contains 34.8 g of the same liquis. Both flasks are stoppered and both are at 30C. The ratio of the vapor pressure of the liquid in the fl..
Imagine a silica microsphere half of which is coated with a thin gold coating and having a trimethylammoniumpropanethiol molecule anchored to the gold.
At two temperatures, 85 K and 135 K, the vapor pressures of a certain liquid were found to be 540 Torr and 830 Torr, respectively. From this information, determine the molar enthalpy of vaporization
In calibrating a drop counter, a student had an initial buret reading of 0.41 mL and a final buret reading of 4.71 mL after dispensing 75 drops from a buret.
How many grams of silica were in a 6.00 grams sample, if it took 34.1 mL of 0.95 M HCl to react with all of calcium carbonate
A mixture of 6.0 mol of H2(g) and 3.0 mol of O2(g) is placed in a sealed evacuated container made of a perfect insulating material at 26 Celcius. The mixture is ignited with a spark and it reacts to form liquid water. Find the temperature of the w..
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