Questions 5-7: Classify the following structures as isomers a, B, L or D (3 points). CH2OH (5) (6) CH2OH (7) C=0 CH,OH H Он H. HO-C-H H. c=0 ОН Н H—С— ОН ОН ОН HO C H CH2OH H. ОН CH2OH
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- -8 Given that the concentration of the hydroxy anion is 10 °M, what is the pH of the resulting solution? 4 9. 12 6A. Among the elements from Group 1 to Group 3, select the 5 most medically-relevant elements. B. Rank them from 1 to 5, 1 being the most important and 5 being the least important. Explain. I will upvote, I promise pls plsа. b. trans-cyclodecene (R)-cysteine HS. or or (S)-cysteine С. d. [4.3.1]Bicyclodecane (E)-isomer or or (Z)-isomer
- Which of the two structures, (Betaxolol) or (Sotalol) would be more contraindicated to treat a patient with hypertension and a history of depression, sleep disorders or psychosis? cr -o- CH2-CH-CH2-NH2-CH(CH3)2 -H2C-O-H2C-H2C- Он (Betaxolol) CH- -CH2-NH2-CH(CH3)2 OH Cr H3C-S-HN- (Sotalol)Explain why CH4 is one of the most common molecules found in nature. Are the bonds between the atoms ionic or covalent?Which of the following is least soluble in hexane? * COOH A^ А B с E D FM COOH COOH COOH COOH 1 p COOH
- Assignments O National Geographic China x O Topic: Review Your Test Thu. X I Course Home ceagle.instructure.com/courses/28953/quizzes/137880/take Question 4 What type of reaction is shown here? Choose all the apply. CHOH CHOH OH H. O splitting of a monosaccharide O splitting of a disaccharide O formation of a monosaccharide O formation of a disaccharide O dehydration synthesis O hydrolysis Question 5 1 pt What type of reaction is shown here?Submit 3 4. 7) 9. 10 3 of 10 Question 3 Directions: Answers must be in essay form. Outline form is not acceptable. Labeled diagrams may be used to supplement discussion, but in no case will a diagram alone suffice. It is important that you read each question completely before you begin. Water is essential to all living things. (a) Discuss THREE properties of water. В I U х? X, 5 ¢ Ω 0/10000 Word Limit (b) Explain each of the following in terms of the properties of water. You are not limited to the three properties discussed in part (a): • the role of water as a medium for the metabolic processes of cells • the ability of water to moderate temperature within living organisms and in organisms'environment • the movement of water from the roots to the leaves of plants B IU x2 X2 Ω 0/10000 W II II 5Choose the correct structure for thiamine hydrochloride at pH 10. H3C H3C N NH₂ NH₂ CI- A CI- с CH3 CH3 HCI -OH OO H3C H3C N NH3 NH₂ CI- B D CH3 S CH3 S HCI OH -OH
- -22 2. (10 pts) Overlapping part of wave function of C-O bond (from to + in x-axis) is expressed by: sin xi cos x = Sink + i. cosx (a) Calculate binding energy. C -2 0 2 A mass of electron is 9.11x10-31 kg, and h is 1.055 x 10-34 J-s. X (Å)ARAN2O H,0+ COH2 CO3E Hcot : PH- Air H,O Lab Time: 1:30 Pm 1. Knowing that these 2 molecules are always floating in the air, hypothesize why your distilled water ( which indeed was pure when put in the container and therefore should have been pH 7), instead had a pH between 5 and 6 (i.e. acidic, not neutral). 2. Hypothesize why the addition of sucrose did not change the pH of distilled water (a big hint to the answer is in the lab section on Acids & Bases).CH 434 Biochemistry I Instructor: Staude Exam 1 September 16, 2022 3.(12pts) What is the ratio of NH4+/NH3 for a 0.5M solution of NH4Cl at pH 9? (The pKa of NH4+ is 10.5) 1 0