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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 8.8103 g sample of unknown fatty acid is burned in oxygen, the process consumes 20.8 g of O2. The reaction produces 24.2055 g of CO2 and 5.4048 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?)
System were found to be [N2]=[O2]=0.200 M and [NO]=0.500 M. N2(g) + O2(g) 2NO(g) If more NO is added, bringing its concentration to [0.800 M], what will the final concentration of NO be after equilibrium is re-established?
What do you expect will happen to the position of this equilibrium when the total pressure of the gases in the reaction mixture is doubled by injecting some argon (Ar) while maintaining the temperature constant.
Solutions with greatest long-wavelength UVA absorption: Name of strongest UVA absorbing ingredient
What is the bond angle and molecular geometry around the 2 middle carbon atoms?
Calculate the volume in liters occupied by 0.350 moles of propane gas at a pressure of 0.850 atmospheres
Calculate the feed ratio of adipic acid and hexamethylene diamine that should be employed to obtain a polyamide of approximately 15,000 molecular weight at 99.5% conversion.
the solubility of a salt in water represents the amount of solute necessary to reach a state of equilibrium between saturated solution and undissolved
A unit of heat energy that was formerly used frequently was the calorie (cal). Calculate the calorimeter constant for the coffee-cup calorimeter in terms of cal/g degrees C.
Consider a container sealed with a small opening. A mixture of several gases are added to the container. Assuming the gases do not react, indicate the order that the gases escape out of the container
The double-replacement reaction between silver-nitrate and sodium bromide produces silver bromide, a component of photographic film.
A hot tub is filled with 470 gallons of water, which has a density of 1.0. How many kilocalories are needed to heat the water from 67 to 109?
Calculate w (in kJ) when 265 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 358 K
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