Many of the buffers used these days, such asHEPES and PIPES, were developed because they have desirablecharacteristics, such as resisting pH change with dilution. Whywould resisting pH change with dilution be advantageous?

Q: In the data given, it is all about measuring the concentration of salt solution using salometer in…

A: Introduction: Distilled water is water that has many of its impurities removed through distillation.…

Q: Why does pure water have maximum water potential?

A: The energy required to transfer an infinitesimal quantity of water from a sample to a reference pool…

Q: Describe how you would make 500.0 mL of a 0.200 M NaOH solution from a 6.0 M stock NaOH solution and…

A: Dilution is the process of decreasing the concentration of a solute in a solution usually simply by…

Q: Nylene B the dye that used in this experiment is O methylene blue none of the options is correct O…

A: Dye is a colourant that is used to give textiles, paper, leather, and other materials a permanent…

Q: Compounds such as the sugar trehalose are used as compatible solutes (i.e., water replacements) in…

A: Compatible solutes are also called osmoprotectants, they are small organic molecules having a…

Q: Part 2 You decide to try anion exchange chromatography (DEAE column). To do this, you first…

A: Samples such as protein mixture can be separated via different biochemical separation techniques…

Q: Three water samples namely river water, untreated sewage water and secondary effluent discharged…

A: BOD or biological oxygen demand refers to amount of oxygen that is required by microorganisms in…

Q: Why do some bacteria grow in the presence of salts?

A: Carl woese in 1990, devide living world in three groups or domains Archaea, Bacteria and Eukarya.…

Q: can water be used as a biological buffer?  why?

A: A buffer is a solution that resists the change in the pH. Usually buffers are made up weak acids and…

Q: What important role do buffers play in organisms? What prevents a strong acid or strong base from…

A: Introduction: Acid-base balance is a mechanism that the body employs to maintain the pH of the body…

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: what is the molecular nature of the substance responsible for the acid-fast property of an organism?

A: The capacity of a bacterium to resist decolorization by acids during staining methods is known as…

Q: When something is sterilized, there are levels or degreesthat are reached for that object’s or…

A: Sterility must be maintained during application and dressing changes. It is preferable to use the…

Q: Why does the elution buffer bot contain sodium?

A: Buffer can be defined as a solution,which does not allow changes in the pH of solution,even when…

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: Can you solve and show your solutions how to get the buffer regions/effective pH range of Cys?

A: Buffer zone/region in a range where the pH of the solution remains constant despite the dilution or…

Q: In biological systems, buffers are important because they facilitate changes in pH to enhance…

A: A biological buffer is an organic material which acts as a H+ ions neutralizer. A biological buffer…

Q: What are the effects of buffer solutions and what is its importance to life processes?

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate…

Q: Acid mine drainage is in part a chemical process and in part abiological process. Discuss the…

A: Microbial leaching is tremendously useful in the mining process, but it has contributed to major…

Q: How does the experiment of Acid-Base Equilibria relate to our daily life activities? How also…

A: Acid-Base Equilibria is a fundamental concept in chemistry that helps us understand the behavior of…

Q: What is the independent variable in this experiment? a) Data collected such as the health and growth…

A: Before going through the question to answer it, it is important to understand that what is the term…

Q: hich et Fhe rollawing Could be added to a solufion craceFicacid toprepare buffer? A)sodium acetate…

A: Buffers are solution that can resist pH change on slight additions of either acidic or basic…

Q: The temperature affects biological purification in many ways. Large treatment plants are often…

A: A municipal treatment plant or municipal wastewater treatment plant is an industrial setup that…

Q: Why do some bacteria grow in the presence of salts?

A: Halophiles are those organisms that thrive in environments with high salt conditions and needs…

Q: 2. What volume of 0.100 M HCI would have to be added to this buffering system, to reduce the pH to…

A: The pH of the acidic buffer of blood is given as:pH=pKa+log[bicarbonate][carbonic acid]

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: 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: Explain the mechanism of denaturation for each agent: 1. Heavy metals 2. Organic solvents 3. Heat…

A: Proteins are important biopolymers present in living systems. They are involved in various…

Q: Filtration

A: "Answering filtration as asked" In laboratories, filtration is an intriguing sterilization approach.…

Q: Na2EDTA is actually used in the lab because ____   a.  it does not lose its crystalline water…

A: EDTA: Ethylenediaminetetraacetic acid Chemical formula: [CH₂N(CH₂CO₂H)₂]₂. Properties: White,…

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: It takes 175ml of 0.75 M H2SO4   to completely neutralize 285 ml of NaOH.  What is the concentration…

A: Neutralization is a chemical reaction in which acid and a base react quantitatively with each other.

Q: Lab Data - X Is this the correct change in pH? Hint: the change in pH can be negative. TUBE TUBE…

A: Introduction:- Hydrochloric acid is a strong acid which when added to medium changes that medium…