Beer lambert law Study guides, Class notes & Summaries
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Intox EC/IR II Exam Questions And Answers
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Intox EC/IR II Exam Questions And Answers 
 
What is used to calculate the alcohol content in each breath sample? 
Electrical current 
What results in a electrical current? 
Chemical reaction 
What produces the chemical reaction? 
Fuel Cell 
What are the only things you enter in a practice test? 
Subjects first and last name and normal court with jurisdiction. 
Will the instrument allow you to run another test after it was aborted? 
After 20 minutes 
Define out of tolerance? 
Dry gas standard is...
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MB (ASCP) Review & Exam Questions Part II Already Passed
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What is the Beer-Lambert Law? 
the linear relationship between absorbance and concentration of an absorbing species. 
What is the Beer-Lambert Law equation? 
A = ebc 
A: absorbance 
e: molar absorptivity 
c: concentration 
b: path length 
00:06 
01:24DNA and RNA are absorbed at: 
260nm 
Proteins are absorbed at: 
280nm 
What is the melting temperature equation? 
Tm = (4 x # of GC pairs) + (2 x # of AT pairs) 
Dilutions equation 
V1C1 = V2C2 
V1: volume of starting solution 
C1: concentration of ...
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CHM 115 Exam 2 Purdue Latest Update Graded A+
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CHM 115 Exam 2 Purdue Latest Update Graded A+ Degeneracy Orbitals with a given n having identical energy 
Metals Lose electrons from valence shall form cations 
internal energy Potential and kinetic energy of all particles that make up the system 
nonmetals Add electrons to valence shells, form negative ions (anions) 
Work Energy transferred when an object moves by a force 
enthalpy total heat content of a system 
First law of thermodynamics ΔEsys = q + w 
What happens to enthalpy under constan...
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Clinical Chemistry I ASCP review (youlazy) | Latest 2024 With 100% Correct Answers
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Which of the following lamps provides a continuous spectrum of radiant energy in the visible, 
near IR, and near UV regions of the spectrum? 
A. Tungsten-filament 
B. Hydrogen 
C. Deuterium 
D. Mercury vapor - A most common light source for photometry in the visible region. 
continuous spectrum (360-800 nm). near IR and UV. 
Hydrogen and Deuterium (200-375 nm) 
Mercury vapor- not a continuous spectrum, emitting radiation at specific wavelengths 
Which of the following isolates light 
within a na...
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MB (ASCP) Review & Exam Questions Part II Questions and answers 2023
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MB (ASCP) Review & Exam Questions Part II Questions and answers 2023 
What is the Beer-Lambert Law? 
 
the linear relationship between absorbance and concentration of an absorbing species. 
 
 
 
What is the Beer-Lambert Law equation? 
 
A = ebc 
 
A: absorbance 
e: molar absorptivity 
c: concentration 
b: path length 
 
 
 
DNA and RNA are absorbed at: 
 
260nm 
 
 
 
Proteins are absorbed at: 
 
280nm 
 
 
 
What is the melting temperature equation? 
 
Tm = (4 x # of GC pairs) + (2 x # of AT p...
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CT Registry Review - ARRT questions and answers
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Absorbed dose 
the amount of energy absorbed per unit mass 
(grays or rads) 
 
 
 
back projection 
- 3rd step in IR loop of iterative reconstruction algorithm 
- ray sum data are projected back onto a matrix. 
 
 
 
blood urea nitrogen (BUN) 
renal function (nitrogen in blood) 
(7-25mg/dl) 
 
 
 
bow-tie filter 
Filter compensating for a cylindrical shape (body) 
-filter is thicker at the ends 
 
 
 
contiguous images 
images with equal section thicknesses & reconstruction intervals 
 
 
 
Alia...
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LAT2 bioc Exam Questions and Correct Answers
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LAT2 bioc Exam Questions and Correct Answers 
 
The percentage oxyhaemoglobin in a haemoglobin solution can be calculated by: 
 
using the ratio of absorbances of oxy- and deoxyhaemoglobin at wavelengths where the biggest difference in absorbance readings are observed between the two forms. 
 
adding a live yeast suspension to an oxyhaemoglobin solution and observe the change in absorbance by spectrophotometry. 
 
measuring the absorbance of an oxyhaemoglobin solution using the wavelength th...
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Clinical Chemistry I ASCP Review Questions and Answers
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Clinical Chemistry I ASCP Review Questions and Answers 
 
Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR, and near UV regions of the spectrum? 
A. Tungsten-filament 
B. Hydrogen 
C. Deuterium 
D. Mercury vapor - ANSWER A most common light source for photometry in the visible region. continuous spectrum (360-800 nm). near IR and UV. 
 
Hydrogen and Deuterium (200-375 nm) 
Mercury vapor- not a continuous spectrum, emitting radiation at spec...
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MLS Chemistry Exam| 437 QUESTIONS| WITH COMPLETE SOLUTIONS
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Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR and near UV regions of the spectrum? Correct Answer: Tungsten filament 
 
Which of the following isolates light within a narrow region of the spectrum? Correct Answer: Monochromator 
 
Which of the following is not descriptive of a photomultiplier tube? Correct Answer: Cannot be used with a chopper 
 
Which of the following is false about a photomultiplier tube? Correct Answer: Is composed o...
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Intox EC/IR II Exam Questions And Answers
- Exam (elaborations) • 3 pages • 2024
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Intox EC/IR II Exam Questions And Answers 
 
What is used to calculate the alcohol content in each breath sample? 
Electrical current 
What results in a electrical current? 
Chemical reaction 
What produces the chemical reaction? 
Fuel Cell 
What are the only things you enter in a practice test? 
Subjects first and last name and normal court with jurisdiction. 
Will the instrument allow you to run another test after it was aborted? 
After 20 minutes 
Define out of tolerance? 
Dry gas standard is...
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