Recrystallization Samenvattingen, Aantekeningen en Examens

isomass recrystalization correct answers change in surface area to volume accretive recrystalization correct answers adjacent crystals combine migratory recystalization correct answers Caused by a fluctuation in storage temperature migratory crystallization steps correct answers food warms causes food on surface to dehydrate Increases vapor pressure on the surface Moisture migrates to lower pressure when temp drops water vapor joins existing ice crystals when a product reaches ...

T/F: Drip loss increases with slower rates of freezing or increased recrystallization. correct answers True T/F: During freeze drying it is critical to keep the vapor pressure and temperature above the triple point. correct answers False T/F: When designing a fruit and vegetable processing plant it is important to take into account the heat of respiration when installing an appropriately sized refrigeration system. correct answers True T/F: Cold shortening of muscle proteins limits the ...

BIOCHEMISTRY LAB 2 REPORT 2023/2024| PORTAGE LEARNING|WITH PROCEDURES, EXPLANATION AND FINAL RESULTS.HIGHLY RECOMMENDED Lab 2 Report: Recrystallization Chem 212

BIOCHEMISTRY LAB 2 REPORT 2023/2024| PORTAGE LEARNING|WITH PROCEDURES, EXPLANATION AND FINAL RESULTS.HIGHLY RECOMMENDED Lab 2 Report: Recrystallization Chem 212

This is the entire section of the first lab for CLAB 267, including the purpose, table of chemical properties, procedure, chemical reactions, data/calculations, and the discussion of results.

What's the reason for filtration in recrystalization - correct answers to remove insoluble impurities ortho and para are more stable why - correct answers because allow for tertiary carbocation when can you skip filtration during recryst. - correct answers if no insoluble impurities are present why warm filter tip pipets - correct answers to prevent premature crystalization why cant the solvent from a recrystallization be removed via evaporation instead of centrifugation? - correct ...

Fracture is a type of material failure. Of the following which is another type of material failure? - Permanent deformation. Which of the following statements best differentiates between a defect and a discontinuity? - Discontinuities can propagate and become defects. Nondestructive testing is often differentiated from other measurements or inspection techniques in that: - NDT involves indirect tests related to some other quality or characteristic of material. What are the functions of ...

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 precipitated out b) increase the solubility of the product in solution so it precipitated out c) lower the solubility of the product in solution so it stayed in solution d) increase the solubility of the pr...

If you add more than a minimum amount of ethanol when recrysallizing, how does that affect % recovery - correct answers Less crystals, % recovery decreases List 2 features of the mp of an impure compound - correct answers -Lower -Broad range List 2 features of the mp of a pure compound - correct answers -correct mp -narrow range 2 Features of a good solvent for recrystallization - correct answers -insoluble at colder temps -soluble at hot temps -All impurities soluble at all temper...

DSST Test Questions The ability of a mineral to resist scratching is called - hardness The breaking of a mineral along definite planes is called - cleavage The two most abundant elements in the earth's crust are - oxygen and silicon Which of the following internal crystalline structure of minerals does not have three axes at right angles to one another? - monoclinic Ore minerals contain - a useful metal or nonmetal that is easily extracted The two most important identifying c...