C125 Study guides, Class notes & Summaries
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C215 Final Exam Questions with correct answers
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the quantity that you vary or control is the ___________ variable, and it is assigned to the _______________ -Answer- independent variable; abscissa (traditionally called the x-axis) 
 
the ________________ variable is assigned to the _________ and it is usually the quantity that you measure in the lab -Answer- dependent; ordinate (traditionally called the y-axis) 
 
results lie within the range of measured data -Answer- interpolated results 
 
involves extending the best-fit line (graphicall...
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C215 Final Exam-Questions with correct answers (Rated A+)
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percent yield - Answers- actual yield / theoretical yield 
 
percent error - Answers- (experimental - theoretical) / theoretical 
 
write the balanced equations for the neutralization reactions of NaOH and HCl 
CH3COOH and OH - Answers- HCl(aq) + NaOH(aq) = Nacl(aq) + H2O (l) 
CH3COOH(aq) + OH-(aq) = CH3COO-(aq) + H2O(l) 
 
is the acid or base the limiting reactant in each neutralization reaction - Answers- acid 
 
does it matter if your ΔT values are in degrees celsius or kelvin when using q=m...
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C215 Practice Exam Questions with correct answers
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Which definition used for quality evaluates how well a product performs its intended function? 
 
Fitness for use 
Support services 
Value for price paid 
Psychological criteria – Answer- Fitness for use 
 
Which total quality management (TQM) process was developed to stress management's responsibility for quality? 
 
Statistical quality control charts 
Fitness quality for use 
14 points for quality improvement 
Product design quality – Answer- 14 points for quality improvement 
 
W...
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CHEM-C125 Final Exam Questions with Latest Update
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In Atomic Spectra lab, Vernier angles (V) in degrees of a Hg-lamp has a linear dependence on wavelength (λ) in nm of line spectra: V = 0.146 λ−10.85 
a) Predict the Vernier angle in degree for a line that has a wavelength of 510 nm. 
b) If a student found a line at a Vernier angle of 76.5°, what is the wavelength in nm of this line? - Answer- a) 63.61 
b) 598.288 
 
Best-fit line equation commonly takes "y=mx+b" format. What are y, x, m and b? - Answer- y = y-value 
x= x-value 
m = slope ...
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CHEM C125 Midterm Questions with Answers
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What is the slope if A is plotted on y-axis and B is plotted on x-axis? 
 
5A + 3B = 8 - Answer- -3/5 
 
Masses (in g) and volumes (in mL) of different amount of an unknown liquid were plotted in Excel and a best-fit-line equation was obtained. What is the unit of the slope for the best-fit-line equation? - Answer- g/mL 
 
R square value - Answer- quantity that describes how good experimental data fits into a straight line 
 
How many significant figures should the result of the following calcul...
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C215 Exam Questions with correct answers
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Aliquot - Answer- - *Portion of measurement added* 
 
- Example: "In this experiment, we will be using an *aliquot* of 10 mL of water for each trial 
 
Sig Fig Rules (Significant) - Answer- - Any non-zero digit is a sig fig 
 
- Zeros between non-zeros are sig figs 
 
- Zeros to the right of the last non-zero digit are sig figs 
 
Sig Fig Rules (Insignificant) - Answer- - Zeros to the left of the first non-zero are NOT sig figs 
 
Calculations Rules for Sig Figs (+/-) - Answer- - Focus on decim...
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CHEM-C125 Exam Questions with Verified Answers
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acid - Answer- Arrhenius definition: 
a substance that has H in its formula and ionizes in water to yield H3O+ 
 
base - Answer- Arrhenius definition: 
a substance that has OH in its formula and dissociates in water to yield OH- 
 
salt 
water - Answer- a reaction between acid and hydroxide base always yields ____ and ____ 
 
formation of H3O+ ion - Answer- most of the time a hydrogen ion will find a water molecule to attach itself to 
 
HCl 
HBr 
HI 
HNO3 
H2SO4 (only loss of first H is strong)...
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CNA FINAL EXAM- QUESTIONS WITH COMPLETE SOLUTIONS 100% PASS
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An acute illness is - Answer- A sudden illness from which the person is expected to recover 
 
Persons living in nursing centers are called - Answer- residents 
 
The nursing team involves the following except - Answer- Doctors 
 
You have an important role in meeting standards and in the survey process. You must do the following except - Answer- Interview patients and family 
 
The Omnibus Budget Reconciliation Act of 1987 is a - Answer- Federal Law 
 
OBRA requires retraining and/or new compet...
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CNA FINAL EXAM- Questions with Correct Answers Latest Update
- Exam (elaborations) • 18 pages • 2024
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An acute illness is - Answer- A sudden illness from which the person is expected to recover 
 
Persons living in nursing centers are called - Answer- residents 
 
The nursing team involves the following except - Answer- Doctors 
 
You have an important role in meeting standards and in the survey process. You must do the following except - Answer- Interview patients and family 
 
The Omnibus Budget Reconciliation Act of 1987 is a - Answer- Federal Law 
 
OBRA requires retraining and/or new compet...
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CNA Final Exam Vocabulary with Correct Answers 2024
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Ileostomy - Answers-surgical creation of an opening between the ileum and the abdominal wall 
 
Malnourish - Answers-having bad health or having poor nutrition 
 
Electrolyte Balance - Answers-equal electrolytes entering and leaving the body 
 
Stoma - Answers-an artificial opening in the body 
 
Colostomy - Answers-creation of an artificial opening into the colon 
 
Ostomy - Answers-artificial opening (colostomy, ileostomy, etc.) 
 
Pressure Sore - Answers-ulcerated, worn away area on the skin,...
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