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Chem 209 Bundled Exams Questions and Answers Latest Versions (2024/2025) (Complete and Accurate)
Chem 209 Bundled Exams Questions and Answers Latest Versions (2024/2025) (Complete and Accurate)
[Show more]Chem 209 Bundled Exams Questions and Answers Latest Versions (2024/2025) (Complete and Accurate)
[Show more]CHEM 209 - Chapter 6 – Homework 
Questions and Answers 100% Verified 
 
1. Systemic name for Na2S2O3 (hypo): 
 Sodium thiosulfate 
 
- Sodium thiosulfate is the Systemic name for Na2S2O3. It's used in various applications 
including as a photographic fixer and in medical treatments. 
 
2. Systemi...
Preview 2 out of 6 pages
Add to cartCHEM 209 - Chapter 6 – Homework 
Questions and Answers 100% Verified 
 
1. Systemic name for Na2S2O3 (hypo): 
 Sodium thiosulfate 
 
- Sodium thiosulfate is the Systemic name for Na2S2O3. It's used in various applications 
including as a photographic fixer and in medical treatments. 
 
2. Systemi...
CHEM 209 Quiz 3 Latest Version with 
 
Complete Solutions 
 
What variables are typically plotted on the x- and y-axes of a chromatogram? 
 x-axis: time, y-axis: response 
 
What variables are typically plotted on the x- and y-axes of a calibration curve? 
 x-axis: concentration, y-axis: peak area 
...
Preview 1 out of 2 pages
Add to cartCHEM 209 Quiz 3 Latest Version with 
 
Complete Solutions 
 
What variables are typically plotted on the x- and y-axes of a chromatogram? 
 x-axis: time, y-axis: response 
 
What variables are typically plotted on the x- and y-axes of a calibration curve? 
 x-axis: concentration, y-axis: peak area 
...
CHEM 209 Quiz 3 Latest Update with 
 
Verified Solutions 
 
Provide a diagram illustrating the key components of a GC instrument. 
 Answer: Reservoir for Mobile Phase (pressurized helium cylinder) -> Oven -> Sample 
Injector (micro-syringe) -> Stationary Phase (column) -> Detector (therm...
Preview 1 out of 3 pages
Add to cartCHEM 209 Quiz 3 Latest Update with 
 
Verified Solutions 
 
Provide a diagram illustrating the key components of a GC instrument. 
 Answer: Reservoir for Mobile Phase (pressurized helium cylinder) -> Oven -> Sample 
Injector (micro-syringe) -> Stationary Phase (column) -> Detector (therm...
CHEM 209 Quiz 1 Latest Update Graded 
 
A+ 
 
Question: What is a back titration? 
 
- a. A method where excess titrant is added first and then the remaining is titrated 
- b. A titration where the initial solution is known and the excess is titrated carefully 
- c. A technique involving titration w...
Preview 2 out of 6 pages
Add to cartCHEM 209 Quiz 1 Latest Update Graded 
 
A+ 
 
Question: What is a back titration? 
 
- a. A method where excess titrant is added first and then the remaining is titrated 
- b. A titration where the initial solution is known and the excess is titrated carefully 
- c. A technique involving titration w...
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 betwe...
Preview 1 out of 3 pages
Add to cartCHEM 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 betwe...
CHEM 209 Quiz 2 Latest Update Graded 
 
A+ 
 
Question: What is the chemical equation representing the reaction between Fe3+ and 
thiocyanate? 
 
- a. SCN-(aq) + Fe3+(aq) = Fe(SCN)2+(aq) 
- b. Fe3+(aq) + SCN-(aq) = Fe(SCN)2+(aq) 
- c. Fe(SCN)2+(aq) = SCN-(aq) + Fe3+(aq) 
- d. Fe(SCN)2+(aq) = Fe3+(aq...
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Add to cartCHEM 209 Quiz 2 Latest Update Graded 
 
A+ 
 
Question: What is the chemical equation representing the reaction between Fe3+ and 
thiocyanate? 
 
- a. SCN-(aq) + Fe3+(aq) = Fe(SCN)2+(aq) 
- b. Fe3+(aq) + SCN-(aq) = Fe(SCN)2+(aq) 
- c. Fe(SCN)2+(aq) = SCN-(aq) + Fe3+(aq) 
- d. Fe(SCN)2+(aq) = Fe3+(aq...
Chem 209 Quiz Questions Quiz 3 Latest 
 
Update Graded A+ 
 
Question: Provide a block diagram of a GC instrument, indicating all essential components. 
 
- a. Sample Injector, Mobile Phase Reservoir, Detector, and Read-out 
- b. Mobile Phase, Sample Port, Detector, and Output 
- c. Solvent Reservoi...
Preview 2 out of 8 pages
Add to cartChem 209 Quiz Questions Quiz 3 Latest 
 
Update Graded A+ 
 
Question: Provide a block diagram of a GC instrument, indicating all essential components. 
 
- a. Sample Injector, Mobile Phase Reservoir, Detector, and Read-out 
- b. Mobile Phase, Sample Port, Detector, and Output 
- c. Solvent Reservoi...
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