Pka Study guides, Class notes & Summaries
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BCH Questions with Complete Solutions
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Hydrophobic Effect Correct Answer-_________ is the enthalpic and entropic energies contribute to the net free energy of stabilization of globular proteins. 
 
Mass Action Correct Answer-The following equation is the analytical version of the principle of __________________________. 
ΔG = ΔG'o + R T lnQ, 
where Q = [C'][D'] / [A'][B'] 
 
Partition coefficient 
 
[It is a perturbation to the poise/balance of the participants in an equilibrium. 
 
(Take this into account to understand and...
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CHEM 210 Exam 1 Review 2024 With Questions And Answers - Portage Learning.
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CHEM 210 Exam 1 Review 2024 With Questions And Answers - Portage Learning. 
What is a BL acid? BL base? - Answer Acid is a proton donor while a base is proton 
acceptor 
List the 6 strong acids - Answer HClO4, HCl, HBr, HI, HNO3, H2SO4 
List the 6 strong bases - Answer LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 
What is the eq. for the dissociation of a weak acid? - Answer HA <=> H+ + AKa = ([H+][A-])/[HA] 
What is the eq. for base hydrolysis? - Answer B + H2O <=> BH+ + OHKb = ([BH+]...
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ACS BIOCHEMISTRY EXAM UPDATE 2023&2024 GRADED A+ 100% ACCURATE
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ACS BIOCHEMISTRY EXAM UPDATE 2023&2024 GRADED A+ 100% ACCURATE 
Henderson-Hasselbach Equation - ANSWER pH = pKa + log ([A-] / [HA]) 
 
FMOC Chemical Synthesis - ANSWER 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) - ANSWER Changes soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in the solution. 
 
Size-Exclusion Chromatography -...
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BCH 403 final exam questions 2023 Questions with Complete Solutions
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Exam 1 Correct Answer- 
 
A reaction consists of a reactant "R" being converted into a product "P". The change in enthalpy of the conversion is 5 kJ/mol, while the change in entropy is 35 kJ/mol. Therefore, thermodynamic coupling is not required for this reaction to reach an equilibrium. 
True/False Correct Answer-True 
 
Which of the following is true regarding a reaction that has a ΔG° = 0. 
The concentrations of the reactants and products are equal. 
The reaction will eventually arriv...
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CHEM 210 Exam 1 Review Questions With Correct Solutions
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What is a BL acid? BL base? - ANSWERAcid is a proton donor while a base is proton acceptor 
 
List the 6 strong acids - ANSWERHClO4, HCl, HBr, HI, HNO3, H2SO4 
 
List the 6 strong bases - ANSWERLiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 
 
What is the eq. for the dissociation of a weak acid? - ANSWERHA <=> H+ + A- 
 
Ka = ([H+][A-])/[HA] 
 
What is the eq. for base hydrolysis? - ANSWERB + H2O <=> BH+ + OH- 
 
Kb = ([BH+][OH-])/[B] 
 
What is the equation for pH and pOH? - ANSWERpH =...
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Biochemistry || Questions and 100% Verified Answers.
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Hydrophobic interactions make important energetic contributions to : 
a. binding of a hormone to its receptor protein 
b. enzyme-substrate interactions 
c. membrane structure 
d. three-dimensional folding of a polypeptide chain 
e. all of the above are true 
f. None of them correct answers E 
 
Which of the following is true about the properties of aqueous solutions? 
a. A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration ([OH-]) of 20% 
b. A pH change from 6.0 to...
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CHEM 210 Exam 1 Review Questions With Accurate Solutions
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CHEM 210 Exam 1 Review Questions With Accurate Solutions 
 
What is a BL acid? BL base? - ANSWERAcid is a proton donor while a base is proton acceptor 
 
List the 6 strong acids - ANSWERHClO4, HCl, HBr, HI, HNO3, H2SO4 
 
List the 6 strong bases - ANSWERLiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 
 
What is the eq. for the dissociation of a weak acid? - ANSWERHA <=> H+ + A- 
 
Ka = ([H+][A-])/[HA] 
 
What is the eq. for base hydrolysis? - ANSWERB + H2O <=> BH+ + OH- 
 
Kb = ([BH+][OH...
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PHR 911 Block 3 Priz Questions And Answers With Complete Solutions
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Once a drug reaches its target it must (blank 1) the target and vice versa and then (blank 2) to begin the process of producing the desired biological effect correct answer: Blank 1: recognize 
Blank 2: bind 
 
Chemical structure on drug action correct answer: drug structure, ionization, lipophilicity, reactivity, metabolism 
 
Acid/Base properties of drugs correct answer: If pH< pKa then group is protonated form 
If pH>pKa then group is in unprotonated form 
 
Sulfonic Acid correct a...
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MTM-Final Exam Basic Science
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MTM-Final Exam Basic Science 
 
Ionized forms like A- and BH+ are ________ and ______ diffusible across membrane 
water; poorly 
generic equation used to calculate week acidic and basic drugs 
10 ^(pka-pH) = protonated/unprotonated 
equation to calculate weak acidic drugs 
10^(pka-pH) = [nonionized(HA)]/[ionized(A-)] 
equation to calculate weak basic drugs 
10^(pka-pH) = [ionized (BH+)]/[nonionized(B0] 
if the pka and pH difference is 1 or -1: ionization is 
90% or 10% 
if the pka and pH differe...
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CH 222 Test Bank Biochemistry Test 1 - Centennial College
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The dipole moment in a water molecule Which statement about hydrogen bonds is NOT 
true? 
A) Hydrogen bonds account for the anomalously high boiling point of water. 
B) In liquid water, the average water molecule forms hydrogen bonds with three to 
four other water molecules. 
C) Individual hydrogen bonds are much weaker than covalent bonds. 
D) Individual hydrogen bonds in liquid water exist for many seconds and sometimes 
for minutes. 
E) The strength of a hydrogen bond depends on the linearit...
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