Chem 117 Study guides, Class notes & Summaries
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CHEM 117 Practice Exam 1 | 50 Questions with 100% Correct Answers | Updated & Verified
- Exam (elaborations) • 13 pages • 2023
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Which of the following chemical symbols corresponds to bromine? 
a) Ba 
b) Bo 
c) Br 
d) Be 
e) B - C 
Which of the following is an example of a chemical change? 
a) deposition 
b) evaporation 
c) sublimation 
d) burning in air 
e) freezing - D
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Chem 117 Lab Exam | 105 Questions with 100% Correct Answers | Updated & Verified
- Exam (elaborations) • 11 pages • 2023
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All chemical waste generated during the lab should be placed in the appropriate waste container. 
- True 
Hot glass and cold glass look the same - Tue 
Which of the following is proper response to getting chemical in your eyes? - Use the eye 
wash station to rinse the eyes 
Which are examples of poor lab techniques? - -Pipetting by mouth 
-Filling a 10 mL graduated cylinder directly from a large reagent bottle 
-Shaking down a lab thermometer before using 
Tank tops are not considered proper att...
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Bundle for Chem 117 Exams Compilation | Verified | Guaranteed Success
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Bundle for Chem 117 Exams Compilation | Verified | Guaranteed Success
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Chem 117 Final Exam 5 NDSU Oswald | Questions with 100% Correct Answers | Updated & Verified
- Exam (elaborations) • 3 pages • 2023
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what is the term for a family of unsaturated hydrocarbon compounds having a triple bond? - 
alkynes 
What is the general term for a hydrocarbon that contains only single bonds? - saturated 
hydrocarbon 
How many C atoms are in one molecule of the hydrocarbon, decane? - 10 
Which of the following molecular formulas corresponds to octene? - C8H16 
What is the common name for HC=CH? - acetylene 
What is the term for compounds with the same molecular formula, but with different structural 
formulas?...
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Chem 1172 Exam 1 Questions and Correct Answers
- Exam (elaborations) • 7 pages • 2024
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Phase - a homogeneous part of the system in contact with other parts of the system but separated from them by a well-defined boundary 
 
Intermolecular forces - forces of attraction between molecules 
 
Intramolecular forces - bonding forces that hold the atoms of a molecule together 
 
Van der Waals forces - the two weakest intermolecular attractions- dispersion interactions and dipole forces 
 
Dipole-dipole forces - forces of attraction between polar molecules 
 
Ion-dipole forces - attractiv...
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CHEM 1212: Final Exam Questions and Answers
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CHEM 1212: Final Exam Questions and 
Answers 
Colligative Properties - CORRECT ANSWER-properties of solution, such as freezing 
point and boiling point, which depend on the concentration of solute particles dissolved 
in the solvent 
Freezing Point Depression Equation - CORRECT ANSWERMolality - CORRECT ANSWER-moles of solute per kg of solvent 
Molality= - CORRECT ANSWERWhat is the definition of colligative properties? (Antifreeze) - CORRECT ANSWERproperties of a solution that depend on the...
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Chem 117 Final Exam 5 NDSU Oswald | Questions with 100% Correct Answers | Updated & Verified
- Exam (elaborations) • 3 pages • 2022
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what is the term for a family of unsaturated hydrocarbon compounds having a triple bond? - 
alkynes 
What is the general term for a hydrocarbon that contains only single bonds? - saturated 
hydrocarbon 
How many C atoms are in one molecule of the hydrocarbon, decane? - 10 
Which of the following molecular formulas corresponds to octene? - C8H16 
What is the common name for HC=CH? - acetylene 
What is the term for compounds with the same molecular formula, but with different structural 
formulas?...
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CHEM 117 Experiments Part 1 (safety, sig fig, and exp. 1 & 2) | Questions with 100% Correct Answers | Updated & Verified
- Exam (elaborations) • 4 pages • 2022
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Which of the following is proper response to getting chemicals in your eyes? - use the 
eyewash station 
Tank tops are not considered proper laboratory attire - True 
I do not have to report burns from hot glassware to my instructor. - False 
At the end of each experiment, all chemical waste can be poured into the sink. - False 
After finishing an experiment, goggles can be removed regardless of whether or not others in the 
lab are still doing the experiment. - False 
I should avoid touching ch...
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IB Chem VSEPR theory HL Questions with complete solution 2023/2024
- Exam (elaborations) • 2 pages • 2024
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IB Chem VSEPR theory HL Questions with complete solution 2023/20242 electron domains - correct answer linear 180 CO₂ 
 
3 electron domains (all bonded) - correct answer trigonal planar 120° BF₃ 
 
greater repulsion: non-bonded or bonded pairs - correct answer non-bonded 
 
3 electron domains (1 unbonded) - correct answer bent 117-118° NO₂ 
 
Angle removed by lone pair - correct answer 2-2.5°
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CHEM 2100L/2211L Lab Final | with a complete study set
- Exam (elaborations) • 8 pages • 2023
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CHEM 2100L/2211L Lab Final | with a complete study set 
 
Experiment #1 Re-crystallization - 
What is the specialized melting point technique that is used to determine the identity of an unknown compound? - Comparative Melting Point -- 
 
this is when you make a 50:50 mixture of the unknown compound and the substance you think it is based off given melting point values 
What are the five steps of re-crystallization? - 1. Choose an appropriate solvent 
2. Dissolve the impure mixture in the s...
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