A cylinder of volume 27.0 L is filled with 25.1 g of jobstium gas (MM = 72.21 g - mol-1)from the planet Randomite at a temperature of 326 K. Part A Determine the number of moles of jobstium gas present. Express your answer using three significant figures n= 0.348 mol Submit Previous Answers Completed Part B The cylinder contains 0.348 mol of jobstium under these conditions. What is the pressure in the cylinder (in bar)? Express your answer in bar to three significant figures. ? P = bar

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Micelles and Biological Membrane

Micelles are the type of lipid molecules that organize themselves in spherical shape in aqueous solutions. The production of the micelle is a reply to the amphipathic behavior of fatty acids. It means that they consist of both hydrophobic regions and hydrophilic regions. In micelles, polar head groups (hydrophilic groups) produce an outer layer associated with water whereas nonpolar tails (hydrophobic groups) are organized in the interior.