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CHEM 103 LAB Study guides, Class notes & Summaries
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CHEM 103 Lab notebook experiment 3: Quantitative/qualitative analysis SUMMER 2024
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Quantative Qualitative Analysis 
UseQuantativeAnalysistoidentifyunknownsubstance compound 
weight 
usequalitative analysis to identify chemical substances 
1Obtaincleanbeakertestthe scale Carbonate Analysis 
2Placetesttubeinsidebeaker place MCO3 42504 Mth504 H2OCO2 
onscale 
3Zerooutscale measuregofmetal carbonateintotesttube 
4 measurerecordactualmasspoured 1.1809g 
5 Pourmetalcarbonateintobeaker 
6 Powsulfuricacidintobeaker firing Co2gas swim toensurecomplete reaction mass loss7033gasCO2 
7 We...
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CHEM 103 Lab Exam 2 100% Correct!!
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CHEM 103 Lab Exam 2 100% Correct!! 
 
The _____ of a chemical reaction refers to the rate of the reaction. - ANSWERkinetics 
 
List the four factors that control kinetics of a chemical reaction. - ANSWERThe nature of the reaction itself, the concentration of the reactants, the temperature, and the presence of a catalysts 
 
What color is the permanganate? - ANSWERpurple 
 
What color is the oxalate solution? - ANSWERcolorless 
 
What color change do you see in the rate of reaction lab when monit...
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CHEM 103 LAB EXAM QUESTIONS and ANSWERS 100% Correct!
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CHEM 103 LAB EXAM QUESTIONS and What color and what type of reaction does Baeyer's test indicate when reacted with a Alkane? - ANSWERSTAYs purple 
 
NEGATIVE reaction 
 
What color and what type of reaction does Baeyer's test indicate when reacted with a Alkene? - ANSWERTURNS red 
 
POSTIVE reaction 
 
Bromine in CCl4 with Alkane - ANSWERturns the red-orange (NEGATIVE) 
ANSWERS 100% Correct!
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Chem 103 Lab Exam 3 Questions & Answers 100% Verified!!
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Chem 103 Lab Exam 3 Questions & Answers 
Oxygen, O2 - ANSWERis a colorless, odorless gas that supports combustion. A glowing splint will brighten or burst into flame when thrust into the conatiner. 
 
Hydrogen, H2 - ANSWERis a colorless, odorless gas that burns in air. It is less dense than air and can be captured in an inverted vessel. A confined mixture of this and air (in an inverted test tube) will ignite with a "pop" when exposed to a flame. By contrast, pure __ will burn quietly with a b...
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CHEM 103 Lab Exam 1Questions and Answers 100% Verified!
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CHEM 103 Lab Exam 1Questions and Answers 1 
When making observations, what are the things you should describe? - ANSWERsmell, appearance, and state of matter of chemicals before and after the reaction, how long the reaction occurred, and names of chemicals 
 
What is the density of a substance? - ANSWERThe amount of matter contained in a specific sized sample of that substance; mass per unit of volume 
 
Will the density of a given substance always be the same despite the volume (as long as the ...
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CHEM 103 Lab Exam 2 100% Accurate!
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The _____ of a chemical reaction refers to the rate of the reaction. - ANSWERkinetics 
 
List the four factors that control kinetics of a chemical reaction. - ANSWERThe nature of the reaction itself, the concentration of the reactants, the temperature, and the presence of a catalysts 
 
What color is the permanganate? - ANSWERpurple 
 
What color is the oxalate solution? - ANSWERcolorless 
 
What color change do you see in the rate of reaction lab when monitoring the chemical reaction between th...
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Chem 103 Lab Exam 3 Questions & Answers 100% Accurate!
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Oxygen, O2 - ANSWERis a colorless, odorless gas that supports combustion. A glowing splint will brighten or burst into flame when thrust into the conatiner. 
 
Hydrogen, H2 - ANSWERis a colorless, odorless gas that burns in air. It is less dense than air and can be captured in an inverted vessel. A confined mixture of this and air (in an inverted test tube) will ignite with a "pop" when exposed to a flame. By contrast, pure __ will burn quietly with a blue flame if it replaces natural gas in a...
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CHEM 103 Lab Exam 1Questions & Answers 100% Correct!
- Exam (elaborations) • 2 pages • 2024
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When making observations, what are the things you should describe? - ANSWERsmell, appearance, and state of matter of chemicals before and after the reaction, how long the reaction occurred, and names of chemicals 
 
What is the density of a substance? - ANSWERThe amount of matter contained in a specific sized sample of that substance; mass per unit of volume 
 
Will the density of a given substance always be the same despite the volume (as long as the are under the same specific set of condition...
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Chem 103 Bundled Exams Latest Versions with complete solutions;100% guaranteed success
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Chem 103 Bundled Exams Latest Versions with complete solutions;100% guaranteed success
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Chem 103 Lab Final latest questions and answers all are correct graded A+
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What were the physical properties used to identify alkanes and alkenes? - Answer-Boiling points and 
Density 
What color is the potassium permanganate reagent in the Baeyer's test? - Answer-Purple 
What color is the bromine in the bromine test? - Answer-Yellowish/ Orange 
Which hydrocarbon will have positive result for the baeyer's and/or bromine test? - Answer-Alkenes 
What solvent was used to extract curcumin? - Answer-Isopropyl alcohol 
What is the percent of curcumin found in turmeric? - A...
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