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The answer to Lipids
Methanol, Ethanol, & 1-Propanol
1) How would you sketch these three alcohol molecules?
2) What is each of their polarity?
3) What differences might you expect in the comparative solubility of each of them in lipids? WHY?
4) If you were to add 2 drops of sheep blood to each of these alcohols (about 1/3 of a small test tube amount of each alcohol; 3M methanol, 3M ethanol, 1-propanol) what would you expect to see ROUGHLY in hemolysis time IN SECONDS?
5) Why would you get the results you did (1-propanol reacts fastest, then methanol, then ethanol). WHAT CAUSES THEM TO REACT THE WAY THEY DID?
How many millilitres of 0.200 M HCl must be added to 50.0 mL of a 0.200 M solution of NH3 in order to prepare a buffer that has a pH of 8.60? Kb of NH3 = 1.8 x 10-5.
Which of the following describes the best way to prepare 500. mL of a 0.20 M solution of benzene (C6H6?)?(78.11 g /?mol) dissolved in carbon tetrachloride (CCl4?)?(153.82 g /?mol).
407 mL of H2 gas is collected over water at 785.3mm Hg and 23.5 degrees C. What would be the volume of this dry gas at standard conditions?
If an automobile is able to travel 247 mi on 10.8 gal of gasoline, what is the gas mileage in km/L.
What is the molarity of a HCl solution if the reaction of 200 mL of the HCl solution with excess CaCO3 produces 14.0 L of CO2 gas at 725 mmHg at 18 degree celsius.
For the reaction represented by the equation Cl2+2KCl+ Br2, how many grams of potassium chloride can be produced from 300. g each of chlorine and potassium bromide.
What is the wavelength of a photon of electromagnetic radiation having a photon energy of 4.56X10^-19 J? Report your answer in nanometers, to the correct number of significant figures.
Determine the range of fat you might expect to obtain if you extracted fat from ten grams of nutmeg (Dried, ground nutmeg typically contains between 20-25% fat by weight.) Assume that your extraction is 95% effective.
2 NH3 + CH3OH → products . How much NH3 is needed to react exactly with 21 grams of CH3OH
A sample of 2.376 g ether (The compound known as diethyl ether [(C2H5)2O], commonly referred to as ether, contains carbon, hydrogen, and oxygen) was combusted in an oxygen rich environment to produce 2.887 g of H2O (g) and 5.643 g of CO2 (g).
What is the vapor pressure (in mm Hg}) of a solution of 15.5g of glucose in 82.0g of methanol at 27 degrees C? The vapor pressure of pure methanol at 27 degrees C is 140 mm Hg.
A quantity of gas under a pressure of 1.78 atm has a volume of 550 cm square. the pressure is increased 2.50atm while the pressure remains constant what is the new volume.
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