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CHE 233 TESTS COMPILATION BUNDLE

CHE 233 TESTS COMPILATION BUNDLE

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CHE 233 Final| 109 Questions | With Complete Solutions

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Safety Quiz ….Safety Quiz Identify the equipment best suited for extinguishing each type of fire. 1. small benchtop fire fire on floor ing fire correct answer: urned beaker extinguisher blanket Move to the safety shower if you spill hazardous chemicals on your ___(A)___ .Stand under...

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CHE233 Final Questions And Answers

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Determine the limiting reagent and excess reagent in the reaction you will perform in this experiment. correct answer: Limiting reagent- triglyceride Excess reagent- methanol unsaturated fatty acids correct answer: one/more C=C bonds saturated fatty acids correct answer: no C=C bonds Th...

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CHE 233 Lab Final Exam| 241 Questions| With Complete Solutions

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a domestic, renewable fuel for diesel engines derived from natural oils like soybean oil, and which meets certain requirements specified by international standards correct answer: general definition of biodiesel a fuel comprising of long-chain fatty acid methyl esters (FAMEs) derived from vegeta...

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CHE 233 Final UKY Organic 2 Chemistry Lab Questions With Complete Solutions

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Determine the limiting reagent and excess reagent in the reaction you will perform in this experiment. correct answer: Excess Reagent: methanol Limiting Reagent: triglyceride Unsaturated Fatty Acids correct answer: have one (or more) C=C bonds. Saturated Fatty Acids correct answer: have no...

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Chem 233 Final Exam Questions With Complete Solutions

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In the experiment, you added water to the reaction vessel after the reaction was complete, but we did not discuss why. Based on what happened after adding the water, which of the following is the reason for the addition of water? a) lower the solubility of the product in solution so it precipita...

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CHEM 233 Final Exam Questions With Complete Solution

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Mass spectrometry correct answer: Technique that sorts ions based on their mass to charge ratio Electron ionization correct answer: -Also known as hard ionization -Very energetic, produces fragments ("daughter ions") Electrospray ionization correct answer: -Also known as soft ionization ...

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UKY CHE 233 Final Exam Questions With Complete Solutions

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Structure of 6,13-diphenylpentacene correct answer: 5 aromatic rings with 2 phenols attached at 6 and 13 What is the purpose of base in the aldol condensation reaction? correct answer: To react with an alpha hydrogen to form a nucleophile (the enolate anion) and as a catalyst Hexynide lithiu...

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CHE 233 Final UKY Questions With Complete Solutions

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Unsaturated fatty acids - have one or more C=C bonds Saturated fatty acids - Have no C=C bonds What are the ways that biodiesel is produced commercially? Which method is the predominant method? - 1) Base-catalyzed transesterification of the oil with methanol and one used in lab. 2)Acid-cataly...

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CHE 233 FINAL UKY QUESTIONS WITH COMPLETE SOLUTION

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What is biodiesel correct answer: a fuel comprising long-chain fatty acid methyl esters (FAMEs) derived from vegetable oils or animal fats, designated B100 and meeting standard requirements. What methods can be used to make fatty acid methyl esters (FAME's)? correct answer: -Base-catalyzed tra...

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CHE 233 final exam Questions With Complete Solutions

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biodiesel correct answer: comprised of long-chain FAMES(fatty acid methyl esters) three methods for production of Biodiesel correct answer: -catalyzed transesterification 2. acid-catalyzed transesterification 3. saponification followed by acid-catalyzed transesterification method used in ...

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CHE 233 final exam| 103 Questions | With Complete Solutions

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Determine the limiting reagent and the excess reagent for the biodiesel lab Excess reagent _____________ limiting reagent _____________________ correct answer: methanol, triglyceride Complete the statements below by matching the following saturated fatty acids have ______ __________ bonds...

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CHE 233 Final| 65 Questions | With Complete Solutions

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What are saturated vs unsaturated fatty acids? correct answer: •Saturated fatty acids have no C=C bonds (their C's have max # of Hs) •Unsaturated fatty acids have one or more C=C bonds (monosaturated = one double bond) (polyunsaturated = more than 1 double bond) •Z (cis) are naturally occu...

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CHE 233 Final Exam Questions With Complete Solution

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Unsaturated fatty acids ______________. correct answer: have one or more C=C saturated fatty acids _________________. correct answer: do not have ANY C=C bonds, only C-C. what ways is biodiesel produced commercially? correct answer: * base catalyzed transesterification of the oil with metha...

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