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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
Determine the normal boiling point of a substance whose vapor pressure is 55.1 mm Hg at 35°C and has a Hvap of 32.1 kJ/mol
An aerosol can has a gas pressure of 138 kPa at 293 K. Calculate the pressure when the can is heated to 506 K.
Calculate the potential of the cell. Indicate whether the reaction will proceed spontaneously in the direction considered (oxidation on the left, reduction on the right) or an external voltage source is needed to force this reaction to occur
Compound A c6 h 14 gives three different monochlorides on photochemical chlorination. one of these monochlorides is inert to E2 elimination. the other two monochlorides yiels the same alkene B C6 h12 on being heated with potassium ter-butoxide in ..
Based upon your answer to Part a, do you think a significant amount of salt would form from mixing quimolar amounts of benzoic acid and 4-nitroaniline? Explain your reasoning.
The half-life of nuclium is 12.3 years. If 49.0 mg of nuclium is released from a nuclear power plant during the course of a mishap, what mass of the nuclide will remain after 98.4 years.
A sample of an ideal gas has a volume of 2.30 L at 2.80 × 102 K and 1.05 atm. Calculate the pressure when the volume is 1.17 L and the temperature is 306 K
It is often useful to be able to anticipate, without doing a detailed calulation, whether an increase in temperature will result in a raising or a lowering of a reaction enthalpy. The constant-pressure molar heat capacity of a gas of linear molecu..
Explain the difference between exposure to radioactivity from a source external to the body versus a source that has been consumed and is therefore inside the body.
In 2.00 min, 29.8ml of He effuse through a small hole. Under the same conditions of pressure and temperature, 9.85ml of a mixture of CO and CO2 effuse through the hole in the same amount of time. Calculate the percent composition by volume of the ..
chemists studied the formation of phosgene by sealing 0.73 atm of carbon monoxide and 0.98 atm of chlorine in a reactor
Determine the concentrations of K2SO4, K , and SO42- in a solution prepared by dissolving 2.11 × 10-4 g K2SO4 in 2.00 L of water. Express all three concentrations in molarity.
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