How many electrodes are part of a typical pH meter? Name them, and write one to two sentences to describe each type.

Q: What is the relationship of concentration and absorbance based on the table and what are the changes…

A: The concentration of a solute in a solution can be determined spectrophotometrically by passing a…

Q: Is the time required to Elute substance A, greater if N=1000 or N=2000?

A: N is number of theoretical plates in column Retention time (RT) is a measure of the time taken for a…

Q: Using a diagrammatical presentation show how serial dilution was performed if the final volume in…

A: Serial dilution is very useful process for diluting the sample and it is also helps in the…

Q: How many CFU per ml are there in the original sample using the following dilution and plating…

A: "Microbiology" is a hugely important field in both basic and applied research. New and fascinating…

Q: what will be the possible results in testing the solubility of oil in the water?

A: Polar or hydrophilic molecules are soluble in water and non-polar or hydrophobic molecules are…

Q: Which element is important in directly triggeringcontraction?a. sodium (Na+)b. calcium (Ca++)c.…

A: Muscle cells are specific for contraction. It allows for motions and facilitates bodily processes…

Q: It is possible to make a perfectly precise measurement?Explain.

A: Perfectly precise measurement can be achieved only in theory and not observed in all the…

Q: How mL will you adı many

A: Ordered dose: 34mg. Available: 100mg/ml. Desired amount: Ordered dose/available dose x Quantity.

Q: Aisha wants to dissolve some salt in 25 cm³ of water. Which equipment is most suitable for measuring…

A: Different measuring equipment is used in the laboratory to measure liquids. Identifying the proper…

Q: explain why it is important to maintain sterility when inserting a foley cathether

A: Foley's catheter is an indwelling catheter, i.e. it can be left in place for longer durations than…

Q: How to determine the % calcium of an unknown sample by gravimetric method

A: The gravimetric method is an analytical method used for the quantitative determination of the…

Q: the chemistry behind the buffer system in blood.

A: In biological research, buffers are frequently used to keep the pH of particular processes constant.…

Q: if you are following a protocol requiring to use 200,000 cells, how much of the suspendion that…

A: Cells are the basic functional and structural unit of the body. The cells of the body are…

Q: When measuring the volume of a liquid in a graduated cylinder, at which point should the measurement…

A: A graduated cylinder is used to meausre the volume of liquids. Liquids that are to be measured can…

Q: Dispense 150 ml. How many milliliters should the patient take each day?

A: Amoxicillin is a broad-range antibiotic prescribed by the care provider for the management and…

Q: How to dilute 5x SDS stock running buffer to 300ml of 1x SDS running buffer. SDS = Sodium dodecyl…

A: Molecular biologists also make concentrated stocks of solutions to last for long periods of time in…

Q: How do a spectrophotometer analyze a blood sample ? How do you prepare the sample to be analysed ?

A: A spectrophotometer measures the degree to which a chemical substance is able to absorb light when…

Q: What is a Spectrogram

A: Spectrogram is a visual way of viewing the spectrum of frequencies of signal that varies with time.

Q: how much dose 100 ml of water weight?

A: Water is an inorganic substance made of oxygen and hydrogen. Water is a transparent, colorless,…

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: If a P-20 micropipettor is set at “110,” what volume of water will this measure? How much should…

A: For the P-20 micropipette the maximum volume is 20μl. Thus a reading of 110 means it contains 11.0μl…

Q: If 250 mg of medication in 1 L is administered over 5 hours, how much drug will be administered per…

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

Q: What is the order of magnitude of 0,0076

A: Introduction The order of magnitude of a number is the smallest power of 10 used to represent that…

Q: What is electroporation technique?

A:

Q: Type and Crossmatch Upon examining the patient the phlebotomist realizes that she will need to…

A: Phlebotomy It is the process of making an incision in a vein with a needle.  Purpose  To collect…

Q: (a) What two adjustments can be made to the condenser? (b) What effect do these adjustments have on…

A: Microscopes are optical instruments that use lenses to magnify an object. They help to observe…

Q: What is electroacoustic measurement?

A: Main use of hearing aid is to give proper acoustic information so that person having impairment in…

Q: What are the limitations in the use of potometer?

A: A potometer is also known as transpirometer. As the name suggests, the transpirometer is used to…

Q: If you had 0.85ml of medicine in one syringe, 5.36ml of medicine in another syringe and 8.02ml of…

A: `In healthcare, drug calculation is an essential skill for all the healthcare team members. It makes…

Q: How many cm are in a meter

A: Conversion of measurement are done for mass and weight, capacity and volume, temperature, distance…

Q: To make 500ml of 1xBuffer, measure __ML of 20x stock and add _­__mL water to make the total volume…

A: To make a 500 ml of 1x buffer , measure 25 ml of 20x stock and add 475 mL of water to make a total…

Q: Toncity is the

A:

Q: Explain how spirometer tests are done and recorded and how Peak flow tests are done and recoreded.

A: *Spirometer tests done using the spirometry. *Spirometry an instrument that measures airflow. *It…

Q: Describe the use of the pulse oximeter.

A: In the year 1972, two Japanese bioengineers namely Takuo Aoyagi and Michio Kishi discovered the…

Q: What is the importance of collecting more than one drop of the liquid sample from the burette?

A: In the laboratory experiment, the glasswares such as burette is used instead on beaker or conical…

Q: Object A has a mass of 40g and a volume of 30mL and object B has a mass of 15 g and a volume of 20…

A: Ans 30. Density is the mass per volume measurement. The average object density refers to its total…

Q: Why should you use and handle laboratory instruments and equipment according to specified usage?

A: Scientific equipment and laboratory instruments allow students to get a real-time learning…

Q: Which of the following balances can measure down to 100 micrograms? O Triple-beam balance O…

A: Top-loading balance is a balance that does not have a draft shield, a protective cover around the…

Q: = pH values t

A: introduction The pH of a cushion is controlled by two elements; 1) The balance steady Ka of the…

Q: Two students independently determine the volume of water delivered by a 10.00-mL pipet. Each student…

A: Given:The average value of student A= 10.4 mLThe standard deviation of student A= ±0.07 mLThe…

Q: Let's say you had a 10mL, 25mL,50mL and a 100mL graduated cylinder.Which one would you use if you…

A: While working in laboratories, measurement of substances is an essential step. But of prime…

Q: Your supervisor gave you a 5% saline (NaCl) solution. You need to make 100ml of 1.0% saline…

A: Given5% salineRequired100ml of 1.0% saline.By using the formulaS1V1 = S2V2Where, S1 = strength of…

Q: Match each Sl unit to the quantity it measures. degree Fahrenheit second gram kelvin nanosecond…

A: A unit of measurement is a conventionally defined magnitude of a quantity, that is used as a…

Q: GC/L what does the E and GC/L stand for in water measurement?

A: EOP - electro-osmotic-pulse GCL - geosynthetic liners

Q: Calculate the overall amount (ml) for each of the following components: water, solutes, RBC’s, WBC”s…

A: Calculations for 150 ml blood: Plasma volume in blood = 55% of blood…

Q: After placing sample in this instrument, what are the names of two fractions in the tube (choose all…

A: Centrifugation is a method used for the separation of particles suspended in liquids or solutions.…

Q: Write a short note on how to perform 3 point calibration for a pH meter.

A: pH meter measures the hydrogen ion concentration of a solution by using electrode. pH is defined as…