At pH 10, [OH-] is—     10 M     5 M     10-10 M     10-4 M     0.0000001 M

Q: A 100 mL solution of 0.1 M amino acid (AA) at pH 1.0 was titrated with 1.0 M NaOH solution. The pH…

A: Amino acids are composed of a central chiral carbon, hydrogen, an alpha-carboxylic group, an…

Q: Following 'salting out' experiments with crude samples, you now have 5 proteins, named after your…

A: SDS-PAGE is a method of separation of proteins on the basis of molecular weight of the proteins. The…

Q: Given the curves below, what are the dissociation constants for proteins A and B? 100 80- 60 40 20 0…

A: Kd is dissociation constant which is equal to ligand concentration at half maximum saturation of…

Q: 8 7- 6- 2- 1 405 180 225 270 315 [Substrate] (nM) 45 90 135 360 450 495 540 58! What are the units…

A: Solution   Michaelis menten kinetics is one of the best models of enzyme kinetics.   Value of…

Q: An ion has 15 protons, 16 neutrons, and 18 electrons. The symbol for the ion is 31P3+. 31P3-.…

A: An atomic number of an element is identified by the number of protons present in its atoms. The…

Q: Describe, stepwise, how you would prepare 0.5 L of a 0.15 M phosphate buffer, pH 12.5, using…

A: The equilibrium between the weak acid and its conjugate base allows the solution to resist changes…

Q: Draw a structure for the compound, C3H5Br, that fits the following 1H NMR data: δ 2.32 (3H, singlet)…

A: Nuclear magnetic resonance Spectrum represents the different interactions of stereochemically…

Q: Alanine has pKa values of 2.4 and 9.9. Its isoelectric point, pI, is equal to____.  A. 6.15 B. 23.76…

A: Amino acids contain an alpha-carboxylic acid group and an alpha-amino group. Every amino acid has…

Q: On the pH scale, where can you find very strong acids and very strong bases? Below 7 O In the middle…

A: pH is used to describe whether an aqueous solution is acidic or alkaline (basic) in nature.  The pH…

Q: You want to make a solution that is 1x TE AND 10% glycerol in the same solution. You have the…

A: A percentage solution can be defined as the amount of volume of a particular chemical compound that…

Q: How do you solve this question?

A: The given solutions are Solutions A and Solutions B having pH (potential of hydrogen ions) 8 and 4…

Q: A water (H20) molecules is

A: Under normal conditions, water exists as a liquid on the Earth's surface, making it invaluable for…

Q: Your instructor has given you a solution with 162.0 g of glucose (C6H1206) in one liter of water.…

A: 162.0 g of glucose C6H12O6  in  H2O  Number of moles of solute = given mass /Molar mass . Molar mass…

Q: Give the number of valance and core electrons for each. Valence electrons are from the group number.…

A: Valence electrons  are the one that occupies  the outermost shell or highest energy level of an atom…

Q: NH3 NH3 NH3 NH2 (CH2)4 (CH2)4 (CH2)4 (CH2)4 H,N-Co,H pKa, (2.2) pKaz (9.0) HN-co," pKaz H H (10.5) H…

A: Amino acids are organic compounds that constitute of an amino group –NH2,  and carboxyl group –COOH,…

Q: Which of the following is the most basic?   A. Group of answer choices B. Ocean water (pH 8) C.…

A: Introduction  pH plays and important role in determining the concentration of H+ ions in the…

Q: Given: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3.  How many grams of lead (II) iodide are produced if 0.250…

A: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3 Thus, 2moles of KI with 1mole of Pb(NO3)2 gives 1 mole of PbI2…

Q: What is the isoelectric point of casein? Please choose one correct answer only. A. pH 6.6 B. pH 5.6…

A: Peptides are molecules consisting of 2 to 50 amino acid residues covalently linked together by…

Q: You have a 3.5% (w/v) aqueous solution of protein. You want to make 2 mL of 0.8% (w/v) protein…

A: Weight by volume concentration means the amount of the substance in grams dissolved in 100ml of the…

Q: Which properties of water best explains why organisms resist temperature changes, although they give…

A: Water is utilized for help, temperature guideline, transport of body liquids, and response climate.…

Q: Calculate the concentration of Y4-ion in 0.0100 M EDTA solution at pH 6. α4 = 2.2 x 10-5 for pH 6.

A: Introduction Fraction of EDTA in the form of Y4- is given as αY4-= [Y4-][EDTA]

Q: A solution has a pH of 5.4. What is its pOH O5.4 8.6

A: The hydrogen ion concentration [H+] and hydroxide concentration [OH–] in a aqueous solution have an…

Q: 1.0 0 0.5 0 5 Ligand A Ligand B 10 15 20 25 Ligand Ligand D 40 45 50 55 60 30 35 [Ligand] (MM)

A: Kd is dissociation constant which is ligand concentration at half of saturation or at 0.5 theta…

Q: 3. Phenol red is a pH indicator that turns _________ when conditions are acidic.

A: Acids are the substances that can generate hydrogen ions when dissolved in water and are generally…

Q: а. 1.3 b. 2.3 C. 3.3 d. 4.3 termine the pH of a 0.50 M NAH2PO4 and 0.10 M Na2HPO4 solution pka is…

A:

Q: The inverse logarithm, or -log, of [H3O*l][OH*l] = 10*14 is pH + pOH = 14 1. What happens to the…

A: Water has many unique properties that make it very special and important for life on earth. The…

Q: There are two lipid samples the other one contains three double while the other one contains only.…

A: Fatty acids are the simplest form of lipid, contain a long hydrocarbon chain and a carboxyl group.…

Q: A solution in which ["OH] = 6.3 × 10-/ M has a higher pH than a solution with a [-OH] = 4.3 x 10-2…

A: Acids are substances that can release an H+ ion. Bases are substances that accept an H+ ion. There…

Q: -8 K, for HCO3 ` = 2.38 × 10 Calculate Ka for the conjugate acid ( H¿CO;) For the reaction :…

A: Conjugate acid-base pairs are those that differ from each other by a proton or H+ ion. For example,…

Q: A solution with a pH of 2 has a hydrogen ion concentration that is _______________ the hydrogen ion…

A: pH is a measure of the negative logarithm of the hydrogen ion concentration.  Given Values: pH = 2.0…

Q: What is the boiling point of 0.800 m lactose in water? (Kb for water is 0.512°C/m) °C

A: The boiling point is defined as the temperature at which the vapour pressure of a liquid is equal to…

Q: The pH of a 1.25 x10-3 M NAOH solution is: O a 7 b 2.90 3.10 O d 11.10 O e 10.90

A: Given Values: The concentration of NaOH solution = 1.25×10-3 M

Q: f a body of water is to support life, its dissolved oxygen should be _____ ppm or mg/L.

A: Water at lower temperature should have higher mg/L of dissolved oxygen and higher %DO while warmer ,…

Q: What is the pOH of a solution that has a pH of 5? Given: Ka x Kb = Kw, pKw = pH + pOH Group of…

A: Given Values: pH = 5.0 pOH = ?

Q: What is the pH of a grapefruit that contains 0.007 M citric acid solution (CHgO7)? C6H307(aq) +…

A: Acids are substances that are capable of donating a proton to the aqueous solution. Weak acids…

Q: Which of the following wavenumber corresponds to the carbon/carbon triple bond region on an IR…

A: Carbon - Carbon triple bond is stronger than double and single bond and stronger bond absorb at…

Q: Mohammed ate a green salad wi potato (26g carbs). who will ge excluding any other molecules in…

A: Fat means any ester of fatty acids or a mixture of such fatty acid compounds, most commonly fatty…

Q: The electrons are unequally shared in and transferred in Multiple Choice Na CI", H20 CH4. N2 02 CH4…

A: The sharing of electrons between atoms of same or different element or transfer of electrons from…

Q: What will be the size of the larger product? O 5254 bp O 5192 bp O 5231 bp

A: Base Pairs -- Base pairs describes the relationship between the building blocks on the strands of…

Q: 3. Trans-oleic acid (18:1,D9) has a melting temperature of (44.5C) and cis-oleic acid (18:1,D9) has…

A: Fatty acids are the hydrocarbon chains with the carboxylic group. The hydrocarbon chains of fatty…

Q: Balance each of the following redox reactions occurring in acidic solution.…

A: Use the step :Step 1 - Balance the oxidation and reduction half cell reactions separately Step 2-…

Q: For the following reaction at equilibrium NH3 + H20 e NH4+1 + OH-1 NH3 is the It is not a hydroxide…

A: In the reaction, it involves the formation of ammonium ions from ammonia by accepting the proton…

Q: An Element from Group 5A and Group 6A shared a Chemical Bond. This entails that ____________ .…

A: Chemical Bond refers to the making of a chemical bond between 2 or more atoms, molecules, in order…

Q: How many H2O particles were produced by creating the following structure? R H R R -N-Ç, H-N-C,- H H…

A: Extention of a polypeptide chain is a typical dehydration reaction where OH from carboxyl group and…

Q: The pOH of a solution of NaOH is 11.30. What is the [H+] for this solution? O 2.0 x 10-3 O 2.5 x…

A: pH is the measure of the concentration of hydrogen ions in a given solution. It is measured on a log…

Q: the pH of a solution is decreased from 9 to 8, it means that the A) concentration of H+ has…

A: pH is a measurement that is used to specify acidity or basicity of an aqueous solution. The range of…

Q: 12. What is the pH of a solution in which [OH-] = 0.000005 M7 1. 5.3 8.7 O 5 x10

A: pH and pOH are the two values that help to determine the strength of acid and base. pH refers to the…

Q: 11. 24000 bp? A. 8.33 B. 7.39 C. 8.41 D. 7.62 E. None of the above.

A: Gel electrophoresis is a standard molecular biology procedure used for the separation of DNA by its…

Q: In 5H2O how many hydrogen (H) atoms are present

A: Hydrogen atom is chemical atom which has atomic mass and number as 1. It has a single proton In it's…