Answered: Calculate the percentage efficiency of…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Shift Ctrl Tab Caps Esc c) d) https://session.masteringchemistry.com/myct/mastering Type here to search 6. b) CH3 5. 75 Circle each amino functional group. Amines are weak bases. CH H₂N-CH-COOH 2-aminopropanoic acid (alanine - an amino acid) CH₂- add NaOH to fraction 1 and filter add NaOH to fraction 1 and filter CH 4-toluidine 4-toluic acid 4-toluidine H -NH₂ -COOH CH- a) Which is likely to be on top, the aqueous or the organic layer*? *hint: which is more dense? -NH₂ + add NaOH 2 to fraction 2 to fraction and filter The organic base 4-toluidine is prepared by reduction of 4-nitrotoluene (which is not basic). Both solids dissolve readily in dichloromethane (density = 1.316 g/mL), but poorly in water. A student trying to prepare 4-toluidine found that the reaction had not gone to completion. She then used solvent extraction to separate the 4-toluidine from unreacted 4-nitrotoluene as illustrated. Complete the balanced ionic equation for the reaction in step 2. add NaOH to fraction 2…
1 Submit Q10. !! Unanswered Q10. An average amino acid is about 110 Da (Daltons). If there are 1273 amino acids in the SARS-CoV-2 spike protein, what do you expect the mass of spike to be? How does that compare to the expected mass of about 200 KDa? more than expected by about 90 Da Less than expected by about 90 Da B. more than expected by by about 60 KDa less than expected by about 60 KDa Submit odf 0/11 answered
18.18-Enhanced - with Feedback 4. Reset Help peptide bond a carbon a carbon HN-CH CNH-CH- peptide bond CH2 CH,COO CH,CHCH, R group 418 P 71°F A O 10/10/2 hp

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Calculate the percentage efficiency of extraction of phycocyanin in sample 3, if the amount of phycocyanin is 69.9 mg, and the starting amount in sample 1 was 90.7 mg. Answer to be 1dp