Which Latin word is the word acid derived from? What does that Latin word mean? Why is relying only on this definition not a good way to define acids?
Q: What is significant about this molecule?
A: Plasma membrane is the outermost covering in all the living cells.
Q: the first step in the test for a lipid is to add ethanol and propanone .what do this step do?
A: Lipids are organic molecules that contain hydrocarbons. These contain fats, hormones, oils, some…
Q: Why Cyanide Is So Deadly?
A: Introduction: Cyanide is a chemical compound that is poisonous in nature. It is lighter than air and…
Q: If a less concentrated initial solution of socium bicarbonate was used in beaker C, would that…
A: The reaction between an acid and base is called a neutralization reaction. The product obtained is a…
Q: What determines a molecule’s solubility or lack of solubility inwater?
A: Solubility is defined as the property of different substances ( including, solid, liquid, gas) known…
Q: why is water important in biochemistry?
A: Water is made up of two small, positively charged hydrogen atoms and one massive, negatively charged…
Q: What is the ideal pH range?
A: higher concentrations of H+ ions
Q: What would happen to the pH of your soap if you washed the precipitated soap in twice as much volume…
A: pH is the expression of negative logarithm of hydrogen ion concentration in a solute or solvent. pH…
Q: What is the role of a buffer in living organisms?
A: Homeostasis is a kind of "self-regulating" process by which the biological systems maintain their…
Q: What is the significance of pH value? What makes something basic vs acidic?
A: Autoionization of water is a process through which water molecules generate hydrogen ions and…
Q: What is the correct abbreviation for this molecule? H,C NH
A: Nucleotide is the monomer unit of the nucleic acid. A nucleotide is formed when a sugar molecule, a…
Q: Why should we study the strength of acids and bases?
A: Acids and bases are 2 very common terms we ,hear in our daily life. These 2 are present in every…
Q: What is a pH buffer and why are they important?
A: pH is the force of hydrogen or the capability of hydrogen. which is utilized to gauge the sharpness…
Q: What are the physical properties of water of physiological importance? Explain
A: Water is a universal solvent with chemical formula H2O which is made up of 2 hydrogen atoms and one…
Q: Which solution is more acidic, one with a pH of 4 or a pH of 5? What is the concentration of H+ ions…
A: The pH is the power of Hydrogen and is used as a measure of the acidic or basic character of a…
Q: Ordinary table salt is sodium chloride. What is baking soda?
A: Baking soda is chemically sodium bicarbonate. Its chemical formula is NaHCO3
Q: Which is the stronger acid, ethanol or phenol?
A: An acid is a substance which is sour in taste and releases hydrogen ions when dissolved in an…
Q: what is a hydration number
A: Hydration refers to the interaction of a molecule or substance with water. Water interacts with…
Q: Why does the addition of acid have so much less of an effect on the pH of blood than it does on the…
A: Blood has a pH of around 7.4 to 7.6. The pH of the water is around 7.0. Blood is composed of red…
Q: How are salts related to acids and bases?
A: In biochemistry, acid can be described as a substance that can donate hydrogen ions when dissolved…
Q: What is diluted acid
A: Acids are compounds containing hydrogen that can be replaced by a metal. Acid dissolve in water to…
Q: What are buffers and why is it important in biochemistry?
A: Any solution that resists the change in acidity and basicity of the solution. It helps in…
Q: Why is it important to study the strength of acids and bases?
A: Any hydrogen-containing substance capable of transferring a proton (hydrogen ion) to another…
Q: How can a neutral salt be formed from acids and bases?
A: Salts are formed when an acid combines with a base.
Q: What are the differences and similarities of an acid and a base? What are some examples of each?
A: Acid is any substance which is capable of donating hydrogen ions in the solution where as base is…
Q: What are saturated acids?
A: Introduction: Lipids are organic compounds that are water-insoluble but soluble in organic solvents…
Q: What happens to pH of buffer solutions when small amounts of acid and base is added?
A: A buffer is a solution containing a strong acid and its conjugate base or a weak bases and its…
Q: What happens when hydrochloric acid is dissolved in water?
A: Hydrochloric acid is a strong acid, on dilution in water the hydrochloric acid will dissociate into…
Q: what does ph mean
A: We have to define pH.
Q: why is water considered a vital ingredient of life?
A: Chemical formula for water is H2O. Water can exist in all the forms I.e liquid , solid and gas.…
Q: why is the different pH value of tap water and rainwater?
A: pH pH is a scale of measurement, which indicates the nature of a solution (acidic, basic or neutral)…
Q: if pH level of solution changes from pH 5 to pH 2, how much acidity increased in that solution and…
A: pH is the scale that indicates whether an aqueous solution is acidic or basic. Mathematically, pH =…
Q: Another characteristic of modern buffers such as HEPES is that their pH changes little with changes…
A: Base and acid both interact with each other and form salt and water. They both are used in everyday…
Q: What happened to the pH when the cola and borax solution was added to the water? Explain
A: Answer. When the cola was added to the water, the pH of the water went from neutral to acidic even…
Q: How to determine the relative concentration of H+ and OH- in a solution
A: There is a relationship between the [H+] ion and the [OH-] ion and just like that between the pH and…
Q: Why does water have such interesting and unique properties?
A: Water is required for sustaining life. Water dissolves nutrients and gases. It acts as solvent for…
Q: What does an acid based reaction that doesn't contain carbonate or bicarbonate produce?
A: When an acid and a base are placed together, they react to neutralize the acid and base properties,…
Q: carbonic anhydride
A: Carbonic anhydride It is the acidic oxide of carbonic acid. It is colourless, odourless and…
Q: In excess of alkaloidal reagent, did the precipitate formed dissolve or not? What is the evidence…
A: Alkaloid reagents such as tannic acid, potassium iodide, potassium ferrocyanide, or mercuric iodide…
Q: Could the amino acid glycine serve as the basis of a buffer system? If so, in what pH range would it…
A: The weak acid or weak base acts as a buffer system under certain circumstances. Glycine is neither…
Q: A solution with a low pH means what?
A: pH is the chemical parameter that influences the outcome of the chemical reaction. Different…
Q: What quality of zwitterions makes them desirable buffers?
A: A buffer is a solution that can withstand pH changes when acidic or basic components are added. It…
Q: Explain the difference in the melting points of the linoleic acid and linolenic acid:
A: The fatty acids are the compounds that are also present in the cell membranes and allow for the…
Q: What distinguishes a weak acid from a strong acid?
A: Base and acid both interact with each other and form salt and water. They both are used in everyday…
Q: The ph value of human blood is_____?
A: The maintenance of blood pH within the body is an essential for health. Multiple human body systems…
Q: Are naturally occurring pH buffers present in living organisms?
A: pH refers to the hydrogen ion (H+) concentration in a solution. The pH scale ranges between 0 to 14…
The acids called acid because it has few chemical properties.
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- What is the purpose of: A. The concentrated salt solution? B. adding isopropyl alcohol to the solution? Why does it need to be in low temperature?To minimize the sharp pH shift that occurs when a strong acid is added to a solution, is it better to add a weak base or a strong base? Why?You have given two proteins with a pI of 4.5 and pI of 7.7? Using an anion-exchange column, how can these two proteins be separated. What buffer could you prepare?
- Identify the conjugate acid-base pairs in the following reactions: HNO2(aq) + H2O(l) → NO2 – (aq) + H3O+(aq) _______ ______ _________ ________ CH3NH2 + H2O(l) → CH3NH3+ + OH – _______ ________ ________ _________Refer to the following titration curve below: 13 12 11 10 7 6 5 4 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Volume of Titrant / mL - Unknown Acid 0.10 mol/L - titrant = NaOH 0.1 mol/L What is the isoelectric point of histidine, according to the titration curve? Input your answer until the first decimal point. 2. 9,You are given two proteins with a pI of 4.5 and pI of 7.7. In an example of an anion-exchange column, can you use a buffer to separate these two proteins? What buffer protein can be used to separate the two proteins mentioned above?
- Which lipid sample is soluble or miscible in water? Explain.A nucleic acid with a sequence 5’-AGCUUGAGCGUCCA-3’ was hydrolyzed with a strong acid. The hydrolyzate was then subjected to qualitative color reactions. Answer the following questions below. 1. Which bases will give a positive reaction (producing the expected result) with concentrated HNO3, 10% KOH, & then evaporation to dryness? 2. What is the color of the residue in (1)? 3. If the hydrolysate is treated with diphenylamine reagent, will it give a positive result? 4. The purple coloration obtain after treatment with Br2-H2O and Ba(OH)2 is due to what components in the hydrolysate?Which of the following aqueous solutions has the lowest pH: 0.1 M HCl; 0.1 M acetic acid (pKa = 4.86); 0.1 M formic acid (pKa = 3.75)?