Two students plan and carry out an investigation to determine if ionic or covalentbonds have stronger intermolecular forces. They collect the following data.C6H1206NaCIcolorwhitewhitetexture,grain sizerough, small piecesrough, very small grainssolubility in watersoluble (able to dissolve)soluble (able to dissolve)melting pointmelts easilydoes not melta. Identify the type of intramolecular bonds that are involved.b. Which substance will have the stronger intermolecular forces?c. Which properties allow you to predict the strength of the intermolecularforces?FormatB I U...</>>

Chemical compounds are often classified majorly into two categories-ionic compounds and covalent…

Answered: Two students plan and carry out an…

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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Indicate whether each of the following is due to an increase in pH, a decrease in pH or neither and explain why: __Makes carrots soften more when cooked __Color shifts due to adding chlorine to cake flour __Lowers the amount of iron sulfide formed in hard cooked eggs __Makes anthocyanins more red __Makes an egg white foam more stable __Makes starch dextrinize when heated in boiling water __Raises osmotic pressure
Enumerate the following questions about proteins1. Name at least 4 elements that made up proteins.2. Give 3 functions of protein3. Examples of denatured agents (3) of protein
Type of Bond: Choices: H-bond Electrostatic Interaction Hydrophobic bond Disulfide bond Peptide bond Level of Protein structure: Choices: Primary Secondary Tertiary Quaternary Method/s of denaturation. CHECK ALL THAT APPLY Heating to 100 degrees Celsius Addition of nitric acid Reaching Isoelectric point Addition of mercuric chloride Addition of sulphosalicylic acid Addition of alcohol Addition of ammonium sulfate
What structures are found in sterol molecules Select one: a. Waxes b. Double helixes c. Molecular rings d. Proteins
The salt of diclofenac, a nonsteroidal anti-inflammatory drug (NSAID), has a chemical formula NaC14H10C2NO2. The structure of this drug is provided below. When dissolved in water, it produces: Na + H 'N. CI Select one: a. An acidic solution b. A basic solution C. A neutral solution d. Not enough information is provided. O OO
A mixture of two proteins (both with mass of 50 kDa) with an molecular isoelectric points of 7.8 and 8.9, respectively, is in a buffered solution at pH 7. Which type of liquid chromatography would be used to separate these two proteins? O a. O b. O C. d. e. anion exchange chromatography size-exclusion column gel filtration Ni-NTA column cation exchange chromatography
Molarity is the ratio between: Select one: a. the number of moles of a solute and the volume of a solution b. the mass of a solute and the mass of a solution c. the volume of a solute and the volume of a solution. d. the number of moles of a solute and the mass of a solvent
choose the correct answer
The particles resist collision due to the high zeta potential in a suspension containing negatively charged particles. The addition of an oppositely charged electrolyte into that suspension leads to O A. increased collision resist by the particles O B. gradual reduction in the zeta potential O C. no change in the zeta potential O D. higher zeta potential In which of the following form the insoluble chloramphenicol palmitate is used to reduce the bitter taste of the chloramphenicol base? O A. Powder O B. Spray OC. Suspension O D. Solution ype here to search LIFE Digital DI
Why are we using this chemicals?(Determination of solubility and soaping number of lipids) Materials: *Fats and oils*Oil solvent (Equal volume 95% ethanol and ether)*0.5 M alcoholic KOH solution*0.05% phenolphthalein solution*0.5 M HCl solution Procedures: Determination of Saponification Number 1) Dissolve 1 g (or 2 mL) of oil in 3 mL of oil solvent and add 25 mL of KOH solution. Put a few boiling stones and boil in the water bath by mixing for 30 minutes.2) Add 3 drops of phenolphthalein to the saponified and brought to room temperature solution and titrate with HCl.3)Titrate 25 mL of KOH solution containing 2 mL of water with HCl for a blank test. Solubility of lipids 1) Record the physical properties of all oils before starting the experiment. Then observe the solubility of the oils in water and organic solvents. Discuss the difference.2) Add 1 mL of water to the oil solutions in ethyl alcohol. Mix vigorously and record your observations in the first second and after 5 minutes.
A chemical that is used to cleave peptide bonds is O a. cynogen bromide O b. perfomic acid O c. dansyl chloride O d. mercaptaethanol
A scientist extracted compounds from apple peel and separated them using gel exclusion chromatography. Indicate which would be the expected order of elution from first eluted to last.

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