10. It was found that A coordinates to a metal in a 4:1 stoichiometry. Noting that A has a basicproperty, what is, at the equivalence point the complex ion concentrationa. a4Krb. 4a4Krmetal lon concentrationsc. 256(as)*Kfd. 4(a4) Kre. None of the answers

Biological important of coordination compounds like the heme group, which is Fe-Porphyrin complex…

Answered: 10. It was found that At coordinates to…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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6. From the titration curve at the right, determine a. If the acids/bases are strong or weak b. Whether the acid or base was added from the buret c. The volume required to reach the equivalence 13 11 9 pH 7 5 3 1 5 10 15 20 d. The pH of the equivalence point e. The region where buffering occurs f. The volume and pH at the half equivalence point g. The K of the base used Volume added (mL) 25 25 h. The region where the [B]: [BH+] ratio is greater than 1 i. The region where the [B]: [BH+] ratio is less than 1 j. The concentration of acid if the titration started with 50.0 mL of 0.050 M base. k. Suggest a good indicator to use for this titration and explain why.
8-) used to determine how the change in concentration will Change the hade of reaction. a. General rate of reaction b. Rate react ion react ion C. second-order of veaction d. thind order
3) Ammonia, NH3, is toxic to a wide range of aquatic organisms including snails, insects, and fish. The ammonium ion, NH4", is much less toxic since the cation does not diffuse rapidly across cell membranes. The US EPA limit for total ammonia in natural waters is 1.9 mg/L at pH 7. a. What is this limit in molar units? b. What is the concentration of NH3 at pH 7? c. What is the concentration of NH3 at pH 6? d. Why is the EPA limit for total ammonia dependent on the water pH?
) The Chemical Solution lambda max Camax) ofa should be determined by absorbtion spectum 9) The standard curre Lambs Enzyme reaction_
(Stability Constant Report) 1. On what condition we are justified to use the method for this experiment and estimate the Composition of the mixture and the binding constant K.
9. Find the final concentration as a percent (w/v) of dextrose when 75 mL dextrose 50 % (w/v), 50 mL of sodium chloride 0.9 % (w/v), and 100 mL of dextrose 5 % (w/v) sodium chloride 0.45 % (w/v) solution are mixed together.
theat aned (p 4. The enthalpy of neutralization for all strong acid-strong base reactions should be the same within experimental error. Explain why this is the case Will that also be the case for all weak acid-strong base reactions? Explain STAT PLOT FI TBL IS EE
1. What reagent will not denature protein? A. Sulphosalicylic acid B. Copper (II) sulfate C. Nitric acid D. Ammonium sulfate E. Lead acetate 0 D G
The most important factor guaranteeing a biochemical change is a. A positive ∆G b. Appropriate temperature c. A negative ∆S d. A negative ∆G
2. 3. Perform all the calculations necessary for the volume of stock solution or water, in mL, needed to make the dilute solutions listed below. a. b. C. Make: 200 mL of 30% Ethanol dilute solution Stock Volume needed (mL) 95% Ethanol Reagent water Make: 100mL of .09%NaCL Stock 1% NaCl Reagent water 30% SDS 3 M NaOH Make: 100 mL of a 3% SDS and 0.5 MNaOH dilute solution as follows: Stock Volume needed (mL) Reagent water 200 mL Total 1% Lactose 1% Dextrose Volume needed (mL) 100 mL Total Calculate the grams of chemical needed for each stock listed below. Concentration of Stock to Prepare Volume of Stock Needed 1% Sucrose 100 mL Total 10 mL 20 mL 25 mL Amount of chemical Needed (in grams) Your instructor will have you make ONE of the above solutions-ask your instructor which solution to make.
in 26 ed out of 1 question Risk management processes associated with compounded products would include the following EXCEPT: Select one: a. Sterility O b. Solubility O C. Stability O d. Adverse Reactions Q Search 1 L PE 3 + Py Time left 22: DER TH O
1. Define what a decomposition reaction is: htaction in n 9 2. Synthesis reactions that use water in the reaction are ddralion Rodton 3. Collectively decomposition reactions are referred to as Calalomiomm C. Reversible Reactions 1. A chemical reaction in which the reaction can proceed from or from to to D. Oxidation-Reduction Reactions 1. Chemical reactions that result from the exchange of olootarce 2. The loss of an electron by a reactant is referred to as 3. refers to the gain of an electron by a reactant. E. Energy 1. Stored energy that is not doing work is called 2. Energy that is actually working and moving matter is 3. Mechanical Energy ina a. Results from the otal amnn of CoienH al and 4. Chemical Energy a. Potential energy stored 5. Heat Energy a. Energy that flows Speed of Chemical Reactions a. The activation energy is b. Substances that increase the rate of chemical reactions without being 6. used up in the reaction are called 1. Enzymes are Created by of ty C Page 3 of9

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10. It was found that At coordinates to a metal in a 4:1 stoichiometry. Noting that A has a ba property, what is, at the equivalence point the complex ion concentration a. a4Kf b. 4a4Kr c. 256(a4)*Kr d. 4(a4)*Kr e. None of the answers metal lon concentration5

10. It was found that At coordinates to a metal in a 4:1 stoichiometry. Noting that A has a ba property, what is, at the equivalence point the complex ion concentration a. a4Kf b. 4a4Kr c. 256(a4)Kr d. 4(a4)Kr e. None of the answers metal lon concentration5