求解這四個的正確命名🆘

1. Give the IUPAC name for each of the following structures. (20 points) (1) (2) (3) Br (4) ON. CH NO

2. Eric uses a computer software to simulate a 20-residue peptide in different structures. Structure A is an a-helix structure; structure... 繼續閱讀

請問第4題應該選什麼？

ne more e conflic 1. Few man-made structures are more famous than the Statue of Liberty. The noble, goddess-like face, the long, flowing Roman robe, the spiky crown, and the large tablet are all features of the ___(1)__ that people around the world can easily identify*. Another part of the statue most people recognize, _(2)____ they might not know the full story behind it, is the giant golden torch Lady Liberty holds in her right hand. When the idea for the statue was initially proposed in France, it was in fact this flame__(3) first arrived in New York City. The project organizer actually displayed it in Madison Square Park as early as 1876 (4) local funding for the project. This would help pay for the massive* base (5) the proposed figure's feet stand on, while France covered the cost of the actual statue. Eventually, efforts to raise money went__(6)__ well that the project could go ahead as planned. The entire statue could thus be completed, shipped, and assembled* within a decade, just in time for the hundredth anniversary* of America's independence (7)__Britain. A century later, Lady Liberty underwent* some renovations*, during which workers____(8)_ the old torch (8) the statue. They then installed a new one _(9)___ gold leaf on its surface. This has lit the way to (10)__ ever since. And long may it burn! identify massive assemble anniversary goddess-like 念日 undergo 經歷 renovation 翻修 (B) (1)(A) celebration (B) statue (C) globe (D) slave C) (2)(A) as soon as (B) as though (C) even though (D) not until (3)(A) when (B) that (C) what (D) who (4)(A) by collecting (B) of collection (C) in collecting (D) to collect (5)(A) that (B) who whom (D) where (C) even (D) so (C) into (D) upon (B) represented; with (C) removed; from (D) attracted; from (6)(A) also (B) such ) (7)(A) with (B) from ( ) (8)(A) celebrated; with () (9)(A) with (B)in (C) like (D) to (13) (10) (A) treatment (B) tourism (C) slavery (D) freedom them is the Statue of Liberty in the United U+C+A²=

有人會這題嗎⋯⋯🙇🏻‍♀️

17. What is the relationship between the following pair a structures? H₂C CH₂ CH₂ X H a. They are enantiomers b. They are diastereomers c. The are constitutional isomers d. They are identical

想問第20題，為什麼不能用 that used to?

el is made? C. at Evg D. from 13. 21429 439 (ait, en way? Eftill not (16) that) reduced noise and nuo (18). making walls hollow by the _(20). 119 其中 II . Please choose the correct words to complete the following paragraph. Pomoc In the twentieth century, architects in large cities designed structures _(17)_ made it to the living as comfortable as possible.) They used such techniques and _(19)_ this wall space with materials that absorb noise. Thick carpets and heavý curtains pohy po D *t the cover floors and windows. Air conditioners and furnaces were designed to filter air through_(21). 10 materials. (22). after much time and effort that people also reacted adversely to the lack of sound. Now, 91 by undesirable noise but _(25)_ the kind of noise that people seem to need. 某種行式 by hit € 16. A. in a way C. such way B 17. 4. to B. for D. but 18. A. that B. as C. to D. let 自由 19. A. taking B. sending C. forming D. filling 20. A. used to B. that used to C. was used to 37 D proof (23)_ in making buildings less noisy, it was discovered (24)__ are designing structures that reduce Tunt et D. in thus way by 18. IB) such ni asini a B. a way C. yet EX FL | Alib qut Da D. were used to TO

哪位帥哥能拔刀相助一下，解釋一下為何

2-41 The 0-H hydrogen in acetic acid is more acidic than any of the C-H hydrogens. Explain this result using resonance structures. o H Acetic acid H H :0: :0: O=0 :: H-C =0 H-C H-C C=0 c H H H H H H The O-H hydrogen of acetic acid is more acidic than the C-H hydrogens. The-OH oxygen is electronegative, and, consequently, the-0-H bond is more strongly polarized than the -C-H bonds. In addition, the acetate anion is stabilized by resonance,

這題，下面的解答看不懂

2-39 1,3-Cyclobutadiene is a rectangular molecule with two shorter double bonds and two longer single bonds. Why do the following structures not represent resonance forms? 一 2.39 The two structures are not resonance forms because the positions of the carbon atoms are different in the two forms.

誰能解釋一下為什麼？下面英文解答看不懂

2-41 The 0-H hydrogen in acetic acid is more acidic than any of the C-H hydrogens. Explain this result using resonance structures. O=U H -H Acetic acid \" HH :0: :0: II C H-c H-C H- C=0 H H H H H H The O-H hydrogen of acetic acid is more acidic than the C-H hydrogens. The-OH oxygen is electronegative, and, consequently, the-O-H bond is more strongly polarized than the -C-H bonds. In addition, the acetate anion is stabilized by resonance.

第十八題，題目啥意思

18.. For the questions that follow, consider the BEST Lewis structures of the following oxyania (i) NO2- (iv) S042- (v) Br03- (ii) NO3- (iii) SO32- w There can be three equivalent best resonance structures of å Hii), (iii), and (v) (i) and (ii) c. O(iii) and (v) d. O(iii), (iv), and (v) O all e.

求解第2.4.8題 謝謝！

finally 14. 全新試題 the structure collapsed. With only was at this moment that all of them suddenly became very to build the tallest structure. Just before time ran out, they successfully built inches high, winning the challenge. Thanks to this experience, Scott and his teammates finally came to understand the true spirit of teamwork. (D) had been (A) 5. (A) In order B 16. (A) constru co 7. (A) Still a ( 08. (A) since (B) 9. (A) mate ) 10. (A) (A) has been get (A) 10 AD B) 2. (A) encouraged C) 3. (A) to B) 4. (A) stable D) 5. (A) From B)6. (A) plans i CS 7. (A) what Dx8. ) (A) Unfortunately 9. (A) mention C10. (A) look after (C) is being (C) encourages (C) as (C) enjoyable (C) Into (C) to plan (C) who (C) Normally (C) achieve (C) figure out (B) will be (B) encouraging (B) of (B) capable (B) Among (B) planning (B) which (B) Especially (B) promise (B) call for IV. 文意選填 ※第一篇 (D) encourage (D) for (D) probable (D) With (D) planned (D) when (D) Slightly (D) adjust (D) run into (A) whereas (F) conduct Every that prescrit features of Rules members ※第四篇 1. Hi, my name is Tom Wujec. Let me introduce myself first. I was born in Canada, and I from the University of Toronto with degrees in astronomy and psychology. Chances are you don't know me, but I guess you probably have heard of the Marshmallow Challenge 2. was created by me. Since its invention, it 3. around the world by people from all walks of life. 4. my surprise, it has produced some unexpected results. 5. better understand the results and their though, th Rul in the M implications, I conducted a study and got some interesting findings. One of them was that the average a tape,