Excess reagent - Study guides, Study notes & Summaries
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Clemson Chem 1010 Exam 3 with complete verified solutions(GUARANTEED SUCCESS)
- Exam (elaborations) • 11 pages • 2024
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Stoichiometry 
the mole ratios among the reactants and products in a chemical reaction 
 
 
 
chemical equation 
a description of the identities and proportions of reactants and proucts 
 
 
 
 
reactants 
substances consumed during a chemical reaction 
 
 
 
products 
substances formed during a chemical reaction 
 
 
 
molecular mass 
the mass in amu of one molecule of a molecular compound 
 
 
 
molar mass 
the mass of one mole of a substance 
 
 
 
formula mass 
mass in amu of one formula uni...
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Urinalysis and Body Fluids || Success Questions & Answers (100% Correct)
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Urinalysis and Body Fluids || Success Questions & Answers (100% Correct) 
Urinalysis and Body Fluids || Success Questions & Answers (100% Correct) 
 
Why is the first-voided morning urine specimen the most desirable specimen for routine urinalysis? 
A. Most dilute specimen of the day and therefore any chemical compounds present will not exceed the detectability limits of the reagent strips 
B. Least likely to be contaminated with microorganisms because the bladder is a sterile environment 
C. Mo...
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Chem 219b Lab Final questions and answers
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• Typical NMR chemical shift for methyl protons adjacent to a ketone 
2.1-2.6 ppm 
 
 
 
• Level of solvent on a TLC plate 
Below the spots when first placed in the developing jar, and then it will eventually rise to the top past the spots 
 
 
 
 
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Column Chromatography 
Provides a method for the separation and isolation of individual components of a mixture 
 
 
 
•...
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MMSC 423 Exam 2 (100% Verified)
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Principle of PFA-100 correct answers -Assessment of platelet function 
-Time required for platelet plug to occlude the aperture is an indication of platelet function 
 
Reagent Used in PFA-100 correct answers Citrated whole blood 
 
Purpose of PFA-100 correct answers Test platelet function 
 
Interpretation of results for PFA-100 correct answers Collagen/EPI → 78-199 seconds 
Collage/ADP → 55-137 seconds 
 
Disease Association with PF-100 correct answers VWD, Bernard-Soulier 
Glanzmann's Th...
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CHEM 209: QUIZ 1 with Complete and Verified Answers
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CHEM 209: QUIZ 1 with Complete and 
 
Verified Answers 
 
1. What is a "back titration"? 
 
 Answer: It's a technique where the concentration of an analyte is determined by reacting it 
with an excess of a known reagent. 
 
2. What is the balanced chemical equation for the complete reaction between CO32− and HCl? 
 Answer: CO32−(aq) + 2H+(aq) → H2O(l) + CO2(g) 
 
3. What is the balanced chemical equation for the complete reaction between KHP (KHC8H4O4) 
and NaOH? 
 
 Answer: KHC8H4O4(aq...
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ASCP MLT Exam Practice Questions With 100% Correct Answers Latest Updated 2024 (Graded A+)
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ASCP MLT Exam Practice Questions With 100% Correct Answers Updated 2024 (Graded A+) 1 unit or PRBC - answer Raises hemoglobin 1g and hematocrit 3% 
Leukoreduced RBCs - answer Less than 5 x 10^6 to prevent febrile non hemolytic reactions 
Cryoprecipitate - answer Factor 8 
vWF 
Fibrinogen 
For DIC 
6 hours 
Platelets 1unit - answer 
Irradiated blood - answer Prevent GVHD 
Ulex europaeus - answer Anti H lectin 
Dolichos biflorus - answer Anti A1 lectin 
Amount of H greatest to least - answer O 
A...
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CSMLS Practice Exam - Questions and Answers (Complete Solutions)
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CSMLS Practice Exam - Questions and Answers (Complete Solutions) Which is the detector of choice for nephelometers? a. diode array b. photomultiplier tube c. gas photodiode d. LED Which statement regarding turbidimetry is NOT correct? a. light scattered by solutes in the solution at 180° from the incident light is measured by a photon detector b. the measurement of light is made at right angles to the incident light c. scattered light is directly proportional to the number of particles in sol...
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URI MLS: Urinalysis Ch. 5 (Chemical Examination) questions with correct answers
- Exam (elaborations) • 14 pages • 2023
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Describe the proper technique for performing reagent strip testing. - Answer •Strips have chemical pads on plastic strip 
•Compare the color change on pads w/in required time frame 
•Dip strip into well-mixed specimen at room temp 
•Remove excess urine on edge of cup 
•Blot edge of strip on absorbent pad 
•Wait req time 
•Read in good lighting 
 
List four causes of premature deterioration of reagent strips, and describe how to avoid them. - Answer •Moisture 
•Volatile chem...
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Chapter 5 Pathology of Body fluids Exam Test Guide Questions and Answers
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Describe how each of the following errors in reagent strip technique will affect test results: 
a. Leaving the reagent strip in the urine specimen while recording results of the previous specimen. - Answer-A reagent will leach from the strip, causing false negative results 
 
b. Failing to remove excess urine while withdrawing the strip from the specimen - Answer-Runover among pads will invalidate results 
 
c. Recording all results immediately after withdrawing the strip from the specimen. - A...
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CHE 233 Final UKY Organic 2 Chemistry Lab Questions With Complete Solutions
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Determine the limiting reagent and excess reagent in the reaction you will perform in this experiment. correct answer: Excess Reagent: methanol 
Limiting Reagent: triglyceride 
 
Unsaturated Fatty Acids correct answer: have one (or more) C=C bonds. 
 
Saturated Fatty Acids correct answer: have no C=C bonds. 
 
The addition of water to sodium methoxide produces _______________ and ________________ correct answer: Sodium Hydroxide; Methanol 
 
After completion of the experiment, where do you d...
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