LIMITING REAGENTS TO2/S12 Based on the balanced equation Molar Mass (g/mol) СаН2 + 2H20 - Cа(ОН)2 + 2H2 CаН2 H20 Ca(OH)2 Н2 Avogadro's No. 6.022x1023 mol*1 42.094 calculate the number of excess reagent units remaining when 5 CaH, formula units and 2 H,0 molecules react? 18.015 74.092 2.016 exact number, no tolerance

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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.