The electrode of a pH meter is placed in a sample of urine, and a reading of 7.9 is obtained. Is the sample acidic,basic, or neutral? What is the concentration of H3O+ in the urine sample?

Q: Why do you think a weak acid/weak base chemical buffer system is effective at regulating blood pH?

A: A buffer is an aqueous solution that prevents any change of pH when acids or bases are added. It is…

Q: Define the terms acid, base, buffer, acidosis, alkalosis, and pH.

A: Acids can be defined as molecules capable of donating a proton. Bases can be defined as molecules…

Q: When calibrating a pH meter, 3 (three) standard color-coded buffer solutions are used, which of…

A: pH is a quantitative measure of how acidic or basic is the aqueous or other liquid solution is. It…

Q: What is the importance of the buffer system in human body fluids? Mention two important buffer…

A: Definition  Buffer : Buffer is a mixture of weak acid or weak base and a mixture of its salt of…

Q: Does the H+ concentration increase or decrease when the pH drops from 5 to 4?

A: pH is the unit to measure the acidity or basicity . it is given by negative log of hydrogen ion…

Q: Write a net ionic equation that shows how this buffer neutralizes added acid (HCl).

A: Introduction Buffer is the solution with the ability to resist the addition of strong acid or base…

Q: Explain how an acid-base buffer system functions.

A: The potential of hydrogen (pH) is used as an indicator of the acidity level in the human body. The…

Q: Define buffer.

A: An aqueous solution that comprises of a weak acid and its conjugate base's mixture or a weak base…

Q: Definitions of acidosis and alkalosis are provided. In this system, what role do buffers play?

A: The process of formation of ketone bodies is known as ketogenesis. Ketone bodies include…

Q: . How do buffers regulate the pH of a fluid?

A: Hydrogen ions (H+) are a charged form of a hydrogen atom. A hydroxide ion (OH-) is made up of an…

Q: Using chemical equations, explain how bicarbonate ion and carbonic acid function as a buffer pair.

A:

Q: List the six major electrolytes found in body fluids, other than H+ and HCO3–.

A: Electrolyte Balance:              The body comprises of enormous variety of ions or electrolytes. An…

Q: Why does the pH change by one unit if the hydrogen ion concentration changes by a factor of 10?

A: The potential of hydrogen (pH) is a scale that depicts the acidity or basicity of a solution.…

Q: calculate the amount of urea if the patient urea nitrogen is 800mg/L?

A: Urea is the principal end product of protein and amino acid catabolism. Molecular weight of urea…

Q: Suppose a pregnant woman with severe morning sickness has been vomitingsteadily for several days.…

A: Severe morning sickness may lead mother to the dehydration The loss of stomach acid affect her body…

Q: Name the three buffer systems of the body. Which ofthese systems provides the largest proportion of…

A: The buffer system is an aqueous solution of a weak acid and conjugate base. Protein and phosphate…

Q: What is electroporation and how does it work?

A: Electroporation:             A microbiological technique, in which an electrical field is induced to…

Q: what is electrolytes imbalance?

A: In the human body, 60% of the weight is contributed by water, with 40% intracellular and 20%…

Q: Metabolic alkalosis

A: Metabolic alkalosis is a medical condition of body ;that refers to a condition where excess of…

Q: What is Acidosis and Alkalosis? Don’t elaborate too much. Only write the DEFINITION and the pH level…

A: Acid-base balance: The human body must be maintained in a very narrow range of acid-base balance.…

Q: How does an electrolyte differ from a nonelectrolyte?

A: Electrolytes and nonelectrolytes are classified on the basis of conductive nature ( ability to…

Q: What do you mean by buffering capacity?

A: Buckling capacity is defined as the moles of an acid or base necessary to change the pH of a…

Q: Which major chemical compound found in human kidney stones?

A: Kidneys are the primary organs of excretion. The main function of kidneys is to filter the blood and…

Q: Which of the following is the weakest acid? Select one: O a. pka=4.02 O b. pka=4.76 O c. pka=3.55 O…

A: The stronger the acid and the weaker the base will be, the bigger the value of Ka. The base will be…

Q: Which of the following options is not a buffer system in the body? a) Buffer system sodium chloride…

A: Blood is the circulatory fluid of the body. Blood consists of plasma and formed elements. The plasma…

Q: What is diluted acid

A: Acids are compounds containing hydrogen that can be replaced by a metal. Acid dissolve in water to…

Q: Which of the following buffers has the highest buffering capacity? 0.15 M phosphate buffer at pH 7.2…

A: Buffers are the mixtures of a weak acid and its conjugate base. Buffers are the solution that…

Q: what is  electroporation?

A: Molecular biology is a field of biological sciences that studies the structure, composition, and…

Q: Define acidosis and alkalosis. What roles do buffers perform in this system?

A: Buffers play a very important role and work as a defense mechanism to the extreme changes in pH.…

Q: In acid-fast determination, what is the method of collection in comatose or bedridden patients?

A: Acid fast staining is basically a microbiological  test which helps to detect presence of acid fast…

Q: The pH value is calculated mathematically as the Log of the .hydrogen ion (H+) concentration False…

A: The pH of a solution is used as an indicator of the hydrogen ion concentration of the solution. A…

Q: Which chemical compounds could be discovered in urine from a patient with renal disease? Explain.…

A: A urinalysis is a urine test that includes examining the appearance, concentration, and content of…

Q: What changes might occur when a urine sample was kept in a room temperature for 2 hours?

A: A urinalysis is the analysis of a person's urine that is used to diagnose and treat a variety of…

Q: Why are the bicarbonate and phosphate buffers the main buffers in the blood and cells, respectively,…

A: Buffers are solutions that can resist any change in pH of the solution on the addition of acids or…

Q: What is the difference in [H+] between urine and lemon juice?

A: Normal range of pH of urine is the Highest in any of the body fluids.It is 4.5 to 8.pH of less than…

Q: Define a buffer and explain how it is used to minimize changes in blood pH.

A: The human body uses multiple anatomical changes to retain homeostasis. For several life processes…

Q: Explain the characteristics of hartman's solution and how it replaces lost fluid and what it does

A: Total body water is divided into two main fluid components, namely, extracellular (one-third of…

Q: Buffer systems can absorb hydrogen ions from the blood to increase pH into homeostatic range (pH:…

A: The maintenance of pH within the body is necessary since most enzymes have a range of pH under which…

Q: What do buffers do? Describe a buffer system in the human body. Why is this important?

A: It is critical for the body to operate effectively that pH management is strict, with the body…

Q: What will happen if the water completely evaporates and was not replaced immediately? How will this…

A: The unknown concentration of sugar in a sample can be estimated by titration of the sugar sample…

Q: What information can you obtain by measuring the urine’s specific gravity?

A: A urine specific gravity test compares the density of urine to the density of water. This simple…