CHE 233 TESTS COMPILATION BUNDLE

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...

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...

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...

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...

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 ...

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...

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...

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...

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 ...

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...

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...

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...