Q: The thickness of a specimen in view is known as the _______________.
A: Depth of focus.
Q: Why might you observe different values for the normal range of a measurement on different days or at…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: Explain the occurrence in which isolated peaks are formed in a characteristic x-ray spectra result.
A: X ray spectra: the spectrum that is obtained by emission of x rays which are diffracted by a crystal…
Q: If the sharpness of V-notch is more in one specimen than the other, what will be its effect on the…
A: If the sharpness of V-notch is more in one specimen than the other then the one which is having…
Q: What is the meaning of the "S" in the SAMPLE history format?
A: Healthcare professionals play an important role in providing quality care. They are involved in…
Q: How would you determine the contents of the test tubes if all of the samples were transparent?
A: The study of chemical reactions that occurs within living organisms is called biochemistry. This…
Q: What can you deduce about the center of the circle?
A: Given that a conceptual model representing the role interaction, reaction, density of essential…
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: Solve for the calibration factor in micrometers of the ocular micrometer using the LPO
A: A micrometer is a device that is used to make precise measurements. It is also referred to as the…
Q: What is the meaning of the different values given engraved on each objective?
A: Microscopes are used in viewing microscopic organisms, including bacteria, parasites, etc., and also…
Q: Explain the reason for the use of different medium blanks in adjusting thespectrophotometer prior to…
A: Different medium for the growth of bacteria have different components. Due to presence of different…
Q: Please discuss the value of international normalized ratio (INR) as a test. Why do you think this is…
A: PT test is the normal blood test conducted to record the time taken for blood to clot.
Q: What is shown? Why did we use the slide? What is the arrow pointing to? What did we use it for? What…
A: Microscope is a instrument which is used to visualise the specimen that can't be seen by naked eyes…
Q: What force was responsible for the movement of substances through the filter paper?
A: Filter paper is made up of cellulose and thus functions as permeable membrane and movement of…
Q: If a circular object or specimen extends halfway across the scanning field, what isits diameter in…
A: Field of view is defined as the area of the slide that is seen when an observer looks through a…
Q: Why is the accuracy of the calibration curve so critical?
A: Calibration curves are the graphs showing how analytical or instrumental response changes with the…
Q: Can spectrophotometry be used to determine the concentration of “colorless” solutes such as salt or…
A: Spectrophotometry in analytical method for measuring the concentration of a chemical compound in a…
Q: Why is it called a Punnett square?
A: The square diagram used to determine certain breeding or cross-experiment genotypes is known as…
Q: Which calibration method is best to apply for the HLPC system? Explain why.
A: First and foremost, a word of definition: "calibration" refers to finding the link between system…
Q: What is the origin of Masseter?
A: Muscle is a soft tissue in the body which primarily functions as source of power. Muscles cells…
Q: If you observe a specimen under this 20X objective and the specimen spans one-quarter of the field…
A: A light microscope is common equipment in most laboratories. It comes with one or two eyepieces…
Q: Is it possible to determine Km and Vmax without using excel?
A: Vmax It refers to the maximum reaction velocity at which all enzymes become saturated with…
Q: Is it possible to design a compact or hand-held version of the instrument that can be used in field…
A: Of the 34 million people infected with HIV worldwide, 68% live in sub-Saharan Africa, and South…
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 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: Why does one see methyl orange as orange in color? What blank would be used to standardize this…
A: 1. Methyl orange is a pH indicator frequently used in titration because of its clear and distinct…
Q: What does the horizontal line plotted at 0°C represent?
A: Graphical representation of data provides a clear view of the changes in the data. Graph include X…
Q: How can one obtain 2,000× magnification with a 100× objective?
A: Magnification means how many times the image is larger than the object.
Q: What are Shewart charts and how are they interpreted? Why are they important in a laboratory setting
A: Control charts were originally developed in the 1930s by Walter Shewhart for monitoring the output…
Q: Explain the results of the test demonstrated in the picture.
A: The picture is showing the sample as well as control for finding the results. The color is used to…
Q: How many cm are in a meter
A: Conversion of measurement are done for mass and weight, capacity and volume, temperature, distance…
Q: The technique of bombarding specimens with neutronsand measuring the resultant gamma ray emissions…
A: Neutrons are the subatomic particles present in the nucleus of an atom.
Q: Give two applications of Spectrophotometric analysis and briefly explain each
A: The spectrophotometer is an instrument that uses an electromagnetic spectrum. This instrument is…
Q: Assume your field of view under a 3X objective is 6mm across. What is the field of view in mm under…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: What solution goes into the cuvette when you’re zeroing the spectrophotometer?
A: Spectrophotometer is a device that is used to calculate the absorbance of the light passing through…
Q: Do the calibration factor computed varies according to different magnification (objective lenses…
A: By simply accounting for the inaccuracy, the Correction Factor allows us to attain more accurate…
Q: is the reason for using blind tube in spectrophotometric and calorimetric studie
A: A method which is used to measure how much a chemical substance absorbs light by measuring the…
Q: Why should the water jacket of the calorimeter be reflectiv
A: For every process, a bomb calorimeter estimates the heat of combustion at a constant volume. In a…
Q: a. The scale of a spectrophotometer extends from 1 to 100% T, what are the values of these two…
A: Beer- Lambert Law: It is also known as Beer's Law. It states that the intensity of a monochromatic…
Q: If the field diameter is 2.4 mm and there are 16 cells across the field of view when using the 40X…
A: Given, Field diameter - 2.4 mm Cells across the field of view - 16 cells Objective Lens - 40X The…
Q: a) What is the dilution factor if you add a 1ml aliquot of a specimen to 99ml of diluent? b)How to…
A: In the solution, adding solvent decreases the concentration of solute known as dilution. The…
Q: How do you know the range in microliters within which a given micropipette can accurately measure?
A: A micropipette is a device used to transfer small volume of samples . It is a vital part in…
Q: During a calorimetry experiment, generally speaking, what is the largest source of uncontrolled…
A: Calorimetry is a branch of science that deals with changes in energy (heat changes) in a given…
Q: Which is the best method for producing phase-separated GUVs (at least 20 um in size)?
A: Giant unilamellar vesicles (GUVs) are used as model membrane systems whose sizes are very similar to…
Q: Enumerate at least 5 specific medical applications of complexometric titration and discuss each.
A: The medical applications of complexometric titration are- 1. Calcium Lactate tablets Tablets are…
Q: If the specimen measures 150mm and you draw it 50mm, how many times you have it reduced?
A: Magnification is defined as the ability to make smaller object to see it in larger manner. In this…
Q: Why must the entire calibration procedure be performed for each objective?
A: An ocular micrometer has a circular "glass disk" that fits in a microscope eyepiece and possesses a…
Q: computed values for reference
A: Some Basic Null Hypothesis Tests The t Test As we have seen throughout this book, many studies in…
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…
It is possible to make a perfectly precise measurement?Explain.
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- What is the reason for the decrease in the ABS value over time when measuring in the spectrophotometer?Identify three factors that would make the reading of a co-oximeter unreliable.Is it possible to determine Km and Vmax without using excel? Because we are not allowed to use computer during exam, so I dont understand how its done without using excel?
- Explain why it is not possible to directly measure RV by spirometry.Two students independently determine the volume of water delivered by a 10.00-mL pipet. Each student takes 8 measurements, then computes the average volume delivered and the standard deviation. The results are tabulated below. Average St. Dev. Student A 10.4 mL ±0.7 mL Student B 10.00 mL ±0.02 mL Which statement best describes the results? 1)A: good precision, poor accuracy. B: poor precision, good accuracy. 2)A: poor precision, good accuracy. B: good precision, poor accuracy. 3)A: poor precision, poor accuracy. B: good precision, good accuracy. 4)A: good precision, good accuracy. B: good precision, good accuracy. 5)A: poor precision, poor accuracy. B: poor precision, poor accuracy.Create one bar graph summarizing both the Tewameter and Corneometer readings (mention this graph in the text as Figure 1) Give a short description of Figure 1 as figure title (Figure 1) Label both axes On the graph, plot the average numbers and standard deviation, not the individual measurements Standard deviation should be displayed on the top of the average bars as an error bar
- Why is the accuracy of the calibration curve so critical?The following image is a scheme for serial dilutions prepared for spectrophotometric analysis. If the stock solution concentration is 0.05 % (v/v) can you calculate the other tube’s concentrations in % v/v? I've used this with direct dilutions, how would I use this on serial dilutions?Answer the following questions: 1. Give the general steps in the use of a spectrophotometer. 2. Define the following: a. ) Optical Density b.) Transmittance c.) Beer's Law
- Illustrate (Draw) the following using the punnett square method:compute for the callibration factor in micrometers of the ocular micrometer using the low power objective. explain your answerUse MS Excel to plot and determine the terms being asked: Please insert the excel file, thank you For each V (mmol/min), determine the value of [S] (mM) if Vmax = 5 mmol/min. Show your calculations. Using MS Excel, plot [S] (mM) versus V (mmol/min). Draw a line corresponding to the given Vmax parallel the x-axis and extend your plotted line to show its approach to Vmax. Provide your final plot [S] (mM) V (mmol/min) 10 1.2 1.7 2.1 2.2 2.5 Determine the values of Km and Vmax for the decarboxylation of β-keto acid given the following data. Please show and label your plot. Show your calculations and box your final [S] in mol/l V in mM/ min 2.500 0.588 1.000 0.500 0.714 0.417 0.526 0.370 0.250 0.256