hich et Fhe rollawing Could be added to a solufion craceFicacid toprepare buffer? A)sodium acetate BIHtydrocharic acid 6) Nitric acid DIAceticacid El sadium chloride

Q: Change in Weight Based on Concentration of Solution % Weight Change= Change F-I)/I X Solution…

A: A line graph is used to study the relationship between two different variables.

Q: Why is excreted organic matter important to many ironoxidizers?

A: Iron oxidizers are chemotrophic bacteria that derive their energy by oxidizing dissolved ferrous…

Q: prepare 250ml of 0.10 m NaOH from solid NaOH and water

A: Molarity: The moles of a solute per litre of a solution is called as molarity (M).

Q: 1. What concentrations should be used to prepare an ammonia-ammonium ion buffer with a pH of 9.50?…

A: pka defines the biological and chemical behavior of an electrolyte. it also gives an…

Q: Measurement of Bacterial Growth @ 4°C Plot of Absorbance vs. Time (mins) -LB, pH 3.2 LB, pH 7.2 -LB,…

A: Bacterial growth occurs when a bacterium divides into two daughter cells, a process known as binary…

Q: solution is tested with three indicators and it has a pH of 9.8. Identify the colours of the…

A: pH 9.8 corresponds to basic pH range. Asked : To identify the colours of the given indicators at pH…

Q: Many of the buffers used these days, such asHEPES and PIPES, were developed because they have…

A: A buffer is a solution that prevents the pH of a sample from decreasing or increasing when acids or…

Q: Explain why high concentration of suger, salt and acid do not support microbial growth, only it have…

A: Microbial Growth refers to the growth of a microbial population i.e., an increase in its cell number…

Q: 1&3/4 tbs po BID x 7 days #QS How many milliliters should the pharmacy dispense?

A: A drug or medicine is a chemical compound that, when administered, has a biological effect on the…

Q: 6. Of the following pairs write which ones could be used as buffers and why: (a) 0.1 M NaOH and 0.1…

A: A buffer is defined as an aqueous chemical solution that resists a change in its pH or acidity. It…

Q: What is the EFFECT and RATIONAL of Molten agar mixed with bacterial suspension has temperature…

A: Bacteria can be cultured in either a liquid media or a solid media based on the purpose of culturing…

Q: Why did the blank used in experimental procedures contain substrate, buffer and water?

A: A blank or blank determination is an analysis without a sample (Enzyme). Any enzyme assay requires a…

Q: How to prepare %25 100 ml Glucose solution?

A: Dextrose solution, also known as intravenous sugar solution, is a combination of dextrose (glucose)…

Q: Why potato strip increase in size when placed in distilled water?

A: Osmosis is defined as the movement of water molecules from the higher water potential region to the…

Q: Beef extract Peptone Sodium chloride Agar Distilled water 3.0 g 5.0 g 8.0 g 15.0 g 1000 mL

A: Nutrient agar is the most common general-purpose medium, thats supports the growth of the wide range…

Q: What is aquaporins ? Why it is used ?

A: Answer- There are many intergral proteins that are embedded in the plasma membrane.

Q: What is the [CH3COO−]/[CH3COOH] ratio inan acetate buffer at pH 4.00?

A: A buffer is a mixture of weak acid/weak base and its conjugate base/acid. It is an aqueous solution.…

Q: can you show how to calculate the amount of two components for the required volume of a buffer with…

A: Given Values: Concentration of Tris = 0.25 M Concentration of Glycine = 1.92 M Concentration of SDS…

Q: Why are proteins and amino acids considered to be natural buffers?

A: Buffer is a solution that resists the pH change when an acid or base is added to it. pH is measured…

Q: How should you prepare your running buffer?

A: SDS-PAGE is method of separation of protein based on its size. Running buffer of the SDS-PAGE…

Q: Calculate pH of buffer prepared by mixing; 10ml of 0.10M of CH3COOH and 20ml of 0.10M of CH3COONa.

A: A buffer is defined as the mixture of a weak acid and its conjugate base or weak base and its…

Q: Distinguish between acid and rennet curds.

A: Curdling is the process through which curd is obtained by coagulating milk. The coagulation can be…

Q: Complete the table below. Identify the nature (neutral, acidic, basic). Solution pH pOH [H*] [OH]…

A: Using the following formulas we have to calculate: pH = - log  [H+] pH = - log [OH-] pH + pOH = 14

Q: why is dtt added onto the total protein buffers?

A: Buffer is a solution that helps in maintaining the pH during a reaction. All proteins can act as…

Q: Show how to make up 500ml of 0.5M Tris-HCl at pH 8.8

A: Tris-HCl used in buffer preparation to perform various chemical reactions.

Q: 10 mL of 0.5 M CuSO₄ * 5H₂O solution from 10 M CuSO₄ * 5H₂O solution

A: CuSO₄ * 5H₂O solution is copper sulphate pentahydrate solution. The concentration of stock solution…

Q: Explain the chemical nature of soap - is it hydrophilic or hydrophobic (or both)?

A: Soap is a mixture of sodium salts of various naturally occurring fatty acids. The soap is produced…

Q: Which of the following aqueous solutions has the lowest pH: 0.1 M HCl; 0.1 M acetic acid (pKa =…

A: pH is used to specify the acidity or basicity of an aqueous solution. It measures the hydrogen ion…

Q: What is the role of each component of gel running buffer (TAE and TBE)?

A: Buffers are important for any biological reaction. DNA/RNA must be mixed with buffer for separation.…

Q: What advantage does uric acid offer as a nitrogenouswaste in arid environments?

A: Excretory system involves the removal of nitrogenous waste reduced during metabolic activities in…

Q: When counting WBCS, what is the best diluent? O Turk's solution O 0.85% NaCI O 70% alcohol O…

A: In the immune system, lymphocytes refer to the white blood cells that play an important role in the…

Q: What is the pH of a cleaning solution with a [H3O*] = 7.4 x

A:

Q: Which organism(s) would likely be classified as an acidophile?

A: The optimum growth pH is the favorable pH for organisms’ growth. The lowest value of pH that can be…

Q: part 1What is the % v/v obtained when 20 ml of acetic acid is added to 200ml water? part 2How many…

A: % v/v is Percent volume/volume defined as the concentration of a solute in solution in terms of…

Q: Measurement of Bacterial Growth in LB, pH 3.2 Plot of Absorbance vs. Time (mins) 4"c 37°C --45°C 1.2…

A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…

Q: Measurement of Bacterial Growth in LB, pH 3.2 Plot of Absorbance vs. Time (mins) c 37c 45'c 0.6 0.4…

A: The bacterial growth curve consists of four distinct growth phases: Lag Phase, Exponential Phase,…

Q: What is the substrate(s) that will be used by the microorganism to produce the calcite ?

A: Biomineralization is the process by which microorganisms and other living organisms directly or…

Q: Why does Alka-Seltzer foam and bubble when dissolved in water? Which ingredient is the antacid?

A: Alka- Seltzar is a type of medicine which is used to cure indigestion, stomach pain or upset…

Q: Make the following prescription isotonic with lacrimal fluid: 0.06 g Ephedrine sulfate (E = 0.23)…

A: Asked : Volume of sterilized distilled water (in milliliters) that should be added to the…

Q: What is the pH of a buffer prepared by adding 30.0 mL of 0.25 M acetic acid (CH₂COOH) (K. = 1.7 x…

A: The pH of a buffer prepared by adding 30.0 mL of 0.25 M acetic acid to 125.0 mL of 0.15 M sodium…

Q: the phensuprin solid is first dissolved in ethyl acetate. one solid will be left over-what is it?

A: Phensuprin is the mixture of aspirin or acetyl salicylic acid and sucrose.

Q: What is the purpose of the different types of media (solid, semi-solid, broth)?

A: Culture medium is the medium consist of  mixture of nutrients and substances which are required for…

Q: How many joules are required to boil 150 grams of water?

A: To boil an amount of water, an amount of heat is required to increase the temperature is dependent…

Q: Diluted solutions Solution 1 Solution 2 Solution 3 Volume stock solution (mL) 4.00 4.00 4.00 Volume…

A: Molarity is a unit of concentration and is defined by the number of moles of a substance in a liter…

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

A: The concentration of a substance in solution is the abundance of a constituent divided by the total…

Q: BIOLOGICAL BUFFERS functions for biological pH control rbonate Buffer Phosphate Buffer Protein…

A: The pH of a solution can be understood as a measure of its acidity or alkalinity (base) and the pH…