CHEM 106
Hunter College - Cuny
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Lab 2 - Matter And Phase Changes With Complete Solutions Latest Update
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---2juni 20242023/2024A+
- 1) Ethanol, like any material in this universe, is matter. Which of these is NOT matter? - correct answers Light 
 
2) Explosions! which part of the explosion event is NOT considered a chemical change? - correct answers Carbon dioxide expands 
 
3) Your mission to get a high concentration of Ethanol from Ethanol 20% (v/v) What type of matter is Ethanol? - correct answers Homogenous mixture 
 
4) What kind of phase change is happening to these particles? - correct answers Sublimation 
 
5) Next o...
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Chem 106 Lab With Complete Solutions Latest Update
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---9juni 20242023/2024A+
- Chromatography - correct answers a separation technique to separate components of a mixture (like the dyes in M&Ms) based on how they interact with the fibers of paper 
 
stationary phase - correct answers The paper 
 
mobile phase - correct answers The solvent used to dissolve and carry the dyes is the called the 
 
Substances that interact strongly with the paper will move the - correct answers shortest distance 
 
Substances that interact weakly with the paper will move - correct answers furt...
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Chemistry 106 Lab Quiz Answer Module 2-7 With Complete Solutions Latest Update
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---8juni 20242023/2024A+
- Who is ultimately responsible for the safety of you and others when conducting the experiments for CH 106? - correct answers You, the student 
 
You are about to start an experiment. Which of the following items listed below are the correct choices to wear while completing an experiment? - correct answers -A fitted T- shirt 
-Sneakers 
-Any type of long hair pilled back into a ponytail or bun 
 
Doctors are interested in studying the effects of sleep deprivation on learning. The doctors hypothes...
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Chem 106 Exam 2 With Complete Solutions Latest Update
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---11juni 20242023/2024A+
- Do reactions proceed until all starting material is turned into product? - correct answers False 
 
What happens at equilibrium? - correct answers The reactions forward and backwards rate become equal, the relative concentrations of products and reactants stop changing 
 
What is an equilibrium constant with a K > 1 value typically mean? - correct answers They are more products than reactants at equilibrium 
 
How can you convert all of the reactants to products? - correct answers Make K >...
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