Suppose you decreased the pH of the hypoxanthine solution from 7.0 to 5.0 - what would happen to the ionizable group on a molecule of hypoxanthine?

Q: 2. What conclusion may be drawn about the possibility of a solution of pure soap in distilled water…

A: Soap is produced by the saponification reaction or hydrolysis of fat .The soaps are mostly fatty…

Q: 1. Create the following combinations of protons, neutrons, and electrons.1p, 1n, 1e a) What element…

A: a. The element with 1 proton, 1 neutron, and 1 electron is Deuterium. Deuterium is a stable isotope…

Q: 1. Why should the potassium salts of fatty acids yield soft soaps?

A: Soaps are sodium or potassium fatty acid salts that are derived from oils or fats by reacting them…

Q: 4. Draw the formula of Ala-Cys at pH = pl a) b) pH > pl c) pH < pl (Ala: pK.(COOH)= 2,34, pK.(NH3")…

A: Ala-Cys is a dipeptide. Alaninne has R= CH3 but cysteine has R= CH2-SH.

Q: When comparing pH, a solution with a pH of 5 contains 100 times the amount of H+ when compared to a…

A: pH of a solution is nothing but the negative log of hydrogen ion concentration in a solution . it…

Q: How would you dilute 0.1 M boric acid in 1:10 ratio to 0.01M?

A: Given Values: Initial Conc. of boric acid = 0.1 M Final Conc. of boric acid = 0.01 M Dilution = 110…

Q: 9. Compare the pH of milk and vinegar, which one is more acidic? How much is the difference between…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 1. Complete the given table below. What properties do each of the following R groups have?…

A: Basic-Positively charged, alcohol group Acidic - Negatively charged  Neutral - No net charge Polar -…

Q: 3. Phosphoric acid is tribasic, with pK,'s of 2.14, 6.86, and 12.4. The ionic form that predominates…

A: You have asked two questions . I will be answering one of the questions numbered 3 in the image…

Q: 1) A solution is made by combining 128 mL of ethanol and 0.452 L of water. In this solution, what is…

A: Hi! Thanks for your question. But as you have posted multiple questions, I am answering only the…

Q: 12. Which of the following molecules contains the most oxidized form of carbon? A) acetaldehyde B)…

A: The oxidized state is considered as the degree of loss of electron (oxidation).

Q: 4. You have been asked by your professor to create a solution using 2 mg of the amino acid alanine…

A: Amino acids are biomolecules. Amino acids act as monomer units to form proteins.  Alanine is an…

Q: 1. In your own words, explain the properties of an acid and a base. What are the key differences? 2.…

A: The concentration of the hydrogen ions present in a solution influence the pH of the solution. The…

Q: 1. How many molecules of NaCl are there in a 50.0 g sample of NaCl? The molecular weight of NaCI is…

A: Note: We are authorized to answer one question at a time since you have not mentioned which question…

Q: 9. What bonds are affected by: а. Нeat b. Organic solvents c. Metallic salts d. Alkaloidal reagents…

A: Proteins are composed of amino acids linked by peptide or amide bonds (covalent), which form the…

Q: How do the unique properties of water allow life to exist on Earth? 2. If 65 percent of your body…

A: Water is one that posses unique property such as being  inorganic, transparent, tasteless, odorless,…

Q: 1. Knowing that these 2 molecules are always floating in the air, hypothesize why your distilled…

A: Carbon and nitrogen are always floating in air. The carbon forms CO2 and nitrogen forms NO2 in air.…

Q: 1- The electron geometry of carbon dioxide is . . 2- The bond angle of methane with tetrahedral…

A: 1. The electron geometry of carbon dioxide is Linear Explanation: Carbon dioxide has two electron…

Q: Soft drinks usually have a pH of approximately 3.1. What is the [H3O+] concentration in a soft…

A: Consumption of soft drinks is a very controversial issue for public health. Soft drinks contains…

Q: 11. The atoms of a certain element each contain 11 protons and 1 valence electron. Which statement…

A: Element is defined as a pure substance which comprises of only of atoms that possess all the same…

Q: In the Chemical Changes experiment (E3) on copper, which of the steps can be omitted if our goal is…

A: The cycle of copper reactions basically a cyclic chain of multiple reactions involving copper, as…

Q: 8. What is the molarity of the solution prepared by diluting 75 mL of 1.50 M silver nitrate (AgNO3)…

A: Molarity of a solute is the number of moles of solute per liter of solution. The concentration or…

Q: 3. Identify the biomolecules based on the given structures.

A: Biomolecules are carbon based organic compound produced by living organisms. Biomolecules primarily…

Q: Suppose you increased the pH of the biotin solution from 7.0 to 9.0 -what would happen to the…

A: Biotin is a vitamin and js also called vitamin B7. It is required in large number of biochemical…

Q: 3. What is the name of the molecule in the circled regien labelled M (be specific)? How do you know?…

A: Q5. DNA is composed of nucleotides, which are phosphate, sugar, and nitrogen base complexes. Bases…

Q: 4. Explain why molecules of water form hydrogen bonds with other molecules of water.

A: Hydrogen bond has the strong ability to form bonds with other molecules, although they are not…

Q: 3. Why are we able to look at the melting temperature of a solution and use Kr values in our…

A: The atomic bonding strength of any substance is indicated by its melting point. on applying…

Q: 7. The chemical you are testing has a concentration of H* as 10³ M (must watch the video). A) What…

A: pH is a measure of the concentration of hydrogen ions in a given solution. Higher the concentration…

Q: 4. What would be the most possible interaction between the side chains (R-group) of isoleucine and…

A: The peptide bond is formed between the alpha amino and the alpha carboxyl groups of amino acids and…

Q: 1. Identify this molecule (1) 2. This molecule is formed when 1 molecule of reacts with 3 molecules…

A: Carboxylic acid with hydrocarbon side chain are fatty acids. Triacylglycerol are formed from…

Q: What is the primary standard for iodine solutions?

A: INTRODUCTION Iodine solution It is a disinfectant and antiseptic agent, used to prevent infection in…

Q: 3. provides a quick, albeit inaccurate, means of obtaining the pH of a solution. 4. Substances whose…

A: pH is the negative log of H+ ions concentration. It indicates the acidity of a solution. When the H+…

Q: 1. What is acid indigestion? How is it treated, and explain how the treatment works. 2. What would…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 5 Are the pairs of structures shown below constitutional isomers, enantiomers, diastereomers, or the…

A: Isomers: They are chemical compounds with the same molecular formula but different structural…

Q: 1. Polar Covalent Bonds a. Draw one water molecule. b. Indicate which bonds are polar covalent bonds…

A: Water is a polar molecule. It made up of 2 hydrogen atoms and 1 oxygen atom. Molecular formula…

Q: 1. Which of the following is correct when comparing a solution at pH 11 to a solution at pH 7. A…

A: A solution with high H+ ions indicate an acid solution A solution with high OH- ions indicate a…

Q: The amino acid alanine has two isomers, α-alanine and β-alanine. When equal masses of these two…

A: Amino acids are the monomers of proteins having chiral carbon with all four different groups except…

Q: 5. (a) How many covalent bonds does each of the following type of atom typically form? (i) H (iii) C…

A: INTRODUCTION Covalent bond Whenever there is an equal share of electrons between the atoms, covalent…

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: 5. What would the name of the reaction shown below be? Pt H3C-CH=CH-CH3 + H2 CH3CH2CH,CH3 A.…

A: Hydrogenation is a chemical reaction in which the addition of two hydrogen atoms to the alkene…

Q: 1. Draw a circle around and give the name of each functional group in the following twomolecules.…

A: A functional group of a compound is an atom or a group of atoms placed in a certain way that tends…

Q: Suppose you raised the pH of the hypoxanthine solution from 7.0 to 10.0 - what would happen to the…

A: Hypoxanthine is a purine derivative that occurs naturally in nature. Hypoxanthine can be found in…

Q: 4. This question is about the effect of geometric isomerism on the melting and boiling points of…

A: Cis-1,2- dichloroethene - Polar   (i) Same groups(Cl) are present on the same side : So, net dipole…

Q: 1. Knowing that these 2 molecules are always floating in the air, hypothesize why your distilled…

A: Distilled water is pure water and it has a pH 7 but when it's pH is checked it do not show neutral…

Q: C. OH `N'

A: The given compound in the question is niacin or nicotinic acid which is also known as vitamin B3.…

Q: The pKa values of a compound with two ionizable groups are pK1 = 4.10 and pK2 between 7 and 10. A…

A: The Henderson-hasselbalch equation is:

Q: 2. Calculate the overall charge (pH 7) on the following three polypeptides and answer the questions…

A: Hi! Thank you for the question. We are authorized to answer three subparts at a time, since you have…

Q: 1. Many foods and household cleaners are either acids or bases. Predict (based on your prior…

A: An acid is a molecule or ion that can donate a proton or create a covalent bond with an electron…

Q: 10. What would happen if one of the monomers at location D was changed to glutamic acid? Briefly…

A: Amino acids are the building blocks of proteins. There are 20 amino acids which make up numerous…