Consider the following hypothetical aqueous reaction: A(ag) –→B(ag). A flask is charged with 0.065 mol of A in a total volume of 100.0 mL. The following data are collected: O This is the first order reaction. O This is the second order reaction. Time (min) 0 20 30 10 40 Moles of A 0.065 0.051 0.042 0.036 0.031 Submit Previous Answers v Correct Part B What is the rate constant for the reaction? Express your answer using two significant figures. Πνα ΑΣφ k = 0.419 М min 1 Submit Previous Answers Request Answer X Incorrect; Try Again; 25 attempts remaining Consider the following hypothetical aqueous reaction: A(ag) – B(ag). A flask is charged with 0.065 mol of A in a total volume of 100.0 mL. The k = 0.419 м 1 min 1 following data are collected: Time (min) |0 10 20 30 40 Submit Previous Answers Request Answer Moles of A 0.065 0.051 0.042 0.036 0.031 X Incorrect; Try Again; 25 attempts remaining Part C What is the half-life for the reaction? Express your answer using two significant figures. t/2 = 0.99 min Submit Previous Answers Request Answer X Incorrect; Try Again; 28 attempts remaining P Pearson

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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.