有機化学です。主生成物の構造を示せという問題で、わからないので教えてほしいです。

共鳴構造の原理と書き方教えてください！！

この実験は他の問題集では、 塩化物イオンがほぼなくなったとき、クロム酸イオンと沈澱し始める、とあり、 その場合は、塩化物イオンと沈殿しなくなるため、銀イオンの濃度が増し、クロム酸化銀の溶解度積を超えて、沈澱し始める、とイメージしているのですが、 この問題集では、クロム~と... Read More

イ 6.0 × 10 ウ 9.0 x 10 mol/Lの硝酸銀水溶液10mLを加える mol/Lの硝酸銀水溶液10mLを加える イアのみ イのみ ③ウのみ アイ HO ⑤ アウ ⑥ イ ウ ⑦ア, イ,ウ b濃度未知の塩化物イオンと 1.0 × 10mol/Lのクロム酸イオンを 含む水溶液 45mLに、0.10mol/Lの硝酸銀水溶液を滴下していくと 白色沈殿を生じた。さらに,硝酸銀水溶液を滴下していき,合計で 5.0mL加えたところで暗赤色沈殿が生じた。 暗赤色沈殿が生じたと きの塩化物イオンの濃度は何mol/Lか。 最も適当な数値を、次の①~ ④のうちから一つ選べ。 21 mol/L HO HO 62 69 + AS ① 2.2 x 10-7 ② 5.0 × 10-7 ③ 1.1 x 10-6 1.8 x 10-6 2

どなたか解説していただけないでしょうか🥲‎

過 i TOEIC READING Part 5 Incomplete Sentences AnswerHub A word or phrase is missing in each sentence. Select the best answer to complete the sentence. 13. The book is so (A) interest (C) interested x 14. Andrew was very would never see her again. (A) disappointing (C) disappoints x 15. The train departs soon, (A) arrival (C) arriving that I want to read it again. (B) interesting (D) to interest D with Kathy's behavior at the meeting and said he (B) disappointment (D) disappointed B in Osaka at 7 p.m. (B) arrive (D) arrived A B D V 16. If you do not have your seat belt , you can be fined. (A) fastened (B) fasten (C) fastens (D) fastening B C 4/17. in simple English, this book is easy to understand. (A) Write (B) Writing (C) Written (D) Been writing B D 18. The survey tells us that our customers are with our service. (A) pleasing (B) pleased (C) pleasure (D) please * 19. I found my colleague e-mails at the café. (A) check (B) checking (D) checks (C) checked (E how to use the new tablet, I asked my son for help. V20. Not (A) know (C) knowing (B) known (D) To know B Unit 10 Business 71

なぜこの文から「read」が過去形だと判断できるのでしょうか。 答えは②です。

190 Susan read the book (oo) worsnim) (東洋 基本 ①as carefully as she can 頻出 2 as carefully as she could 3 as she can as carefullybo4 as she could as carefully ( et) aid se bo 28

(1)は分かりましたが(途中式は省いています) (2)が分かりません( . .)"

y 0 α A=TER2 α R2a = 2πC 2 x6= = R > A →x y G = (1)図の中心座標(xG,y6) SxdA SBSorcosordodr R2a12 2Rsind 3a SydASiSorsinardodr 2R(1-cosa) = A R2a12 3a (26,y6)= 2R(1-cosa) (2)中心座標が(R,晃)であるとき 30 扇形の角度αをラジアンで表そう 2R sina 3a

What’s ultimately touching is how enormous the outpouring was after the huge event,という文章の文構造と訳し方を教えて頂きたいです！🙇‍♀️

19番以外の解説してほしいです🙇🏻⋱

doing e TOEIC READING Part 5 Incomplete Sentences AnswerHub A word or phrase is missing in each sentence. Select the best answer to complete the sentence. x 13. He promised (A) not be (C) not being × 14. I want you (A) finish (C) to finish X 15. Please let us (A) know ✓ (C) to know x 16. They made her (A) sign (C) signing x 17. This book will help us (A) will understand (C) understanding 18. I don't mind (A) drive goin (B) not to be late again. (D) being not the job by 10 tomorrow morning. (B) finishing (D) will finish if we can help you. (B) knowing (D) will know F text Que D Yo A B D for B eithe the contract against her will. I loo (B) signs (D) to sign B C help+N+ do Yours more about linguistics. Gear (B) understand D. Human (D) understood B if you are tired. ()(B) to drive (D) driven (C) driving 19. Would you like something (A) drink (0) (C) drinks ✓ (B) drinking (B) (D) to drink smas (A) C A B (A) to be (C) has been 20. Richard was a great tennis player and he lived 100 years old. (B) being (D) to have been A B (A) ta (B) p (C) pe (D) ac 34 STEP-UP SKILLS FOR THE TOEIC® L&R TEST: Level 1-Basic- (A) Bet (B) Eith (C) Neit (D) Both

教科書に、The last thing I bought was this pair of glasses.とありますが、bought wasという形で使っているのは正しいですか？もし、正しいのであれば、訳し方も教えていただけると助かります。お願い致します。

123の答えが選択問題でNeverthelessです。文脈的に逆説の語が入ることは分かっていたのでalthoughにしたのですが、なぜ同じ逆説の語でもalthoughではなくneverthelessなのですか？

Questions 121-124 To: Emily Pearson, entertainment writer From: Sabrina Young, editor in chief Date: February 26 Re: Upcoming Interview Hi Emily, ここも チェック! 同様 ま & esigen (A) Thanks for agreeing to cover the exclusive story on Hugh Macaulay. There has been one change, however, to the schedule I already e-mailed 121. you. Mr. Macaulay's manager has informed me------- he will no longer be available on Friday as discussed. requested that the interview be 122. brought forward to next Tuesday. I realize this does not give you much time to prepare. I'd like you to send me an overview of your* interview questions by the end of the week. ---- 123. ----. If 124. you have any questions, I will be in my office for most of the afternoon. Sabrina ま :