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ACS BIOCHEMISTRY Solved Exam |100% Pass|

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ACS BIOCHEMISTRY Solved Exam |100% Pass| Henderson-Hasselbach Equation *Ans* pH = pKa + log ([A-] / [HA]) FMOC Chemical Synthesis *Ans* Used in synthesis of a growing amino acid chain to a polystyrene bead. FMOC is used as a protecting group on the N-terminus. Salting Out (Purification) *Ans* Changes soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in the solution. Size-Exclusion Chromatography *Ans* Separates sample based on ...

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ACS Physical Chemistry Thermochemistry Study Guide |100% Correct|

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ACS Physical Chemistry Thermochemistry Study Guide |100% Correct| What is the third law of thermodynamics? *Ans* The entropy of a perfect crystal is zero. What is the second law of thermodynamics? *Ans* As a whole, the universe always tends towards increasing entropy. What is the relationship between number of microstates and entropy? *Ans* More microstates = higher entropy What is the relationship between temperature and entropy? *Ans* Temperature increases, entropy increases (dir...

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ACS General Chemistry 2 Final Exam Study Guide |2024 Release|

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ACS General Chemistry 2 Final Exam Study Guide |2024 Release| C Where is the hydrophilic (attracted to water) region of the molecule? (A) Region 1 (B) Region 2 (C) Region 3 (D) The three regions are equally hydrophilic C Which molecule is most soluble in water? D A solution of NaCl in water has a concentration of 20.5% by mass. What is the molal concentration of the solution? Molar Mass NaCl = 58.44 g/mol (A) 0.205 m (B) 0.258 m (C) 3.51 m (D) 4.41 m B What is the mole fract...

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Latest ACS Exam Review 100% Pass |Graded A+|

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Latest ACS Exam Review 100% Pass |Graded A+| Rutherford's Gold Foil Experiment *Answer* proposed that atoms consist of a tiny, massive, positive nucleus surrounded by electrons nucleus *Answer* contains all the positive charge and nearly all the mass of the atom James Chadwick *Answer* discovered the neutron cathode rays *Answer* move from negative electrode to positive electrode (like electrons in a voltaic cell) Thompson's Cathode Ray Experiment *Answer* discovery of the electron ...

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