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Chemistry Senior High

アスパラギン酸は酸性アミノ酸なのでph=3が等電点となるため、この問題のa,bまでは分かります。 しかし、何故ph=7でほぼ①のみとなるのかが理解できません。 どうか宜しくお願いします🙇 もしかしてph=7で中和点がある事から、②のカルボキシ基がNaOHで中和仕切ったと言... Read More

入試攻略 への 必須問題3】 たとえば アスパラギン酸からアスパラギン酸 の塩酸塩をつくり, その0.1mol/L水 溶液20mLをとり, 0.1mol/L NaOH水 溶液で滴定した場合の滴定曲線を図に 示した。 +H3N-CH PERO LAD CH2 電業 JHS 【解説】 答え COO COO™ HWH 20 0 40 60 図中のa,b,c, dの各点に相当す るpHで, アスパラギン酸が主にどの _0.1mol/L NaOH水溶液の滴下量 〔mL] ようなイオンの形になっているか,それぞれ次の構造式 ①~⑤の中から最 も適正なものを選べ。 2種類以上ある場合はすべての番号を記せ。 1 2 LIUA 3 H4AHI SAKOJE COOH COO +H3N-CH +H3N-CH I CH2 COOH H₂N-CH INS NORS PAS CH2 CH2 COOH COOH SIHAN REGUNDY 10 9 8 O HpH ! COOH Infor H+ 14 13 12 a:⑤ b:② c②① SANGAT SE (9194° sal H+ pH=3.0 COO- tale H2N-CH VENEDORS H2N-CH-COOHH3N-CH-COOHN+-CH-COO- CH2 T COOH (双性イオン) CREA CH2 JSO COO J5J 中文 酸性アミノ酸であるアスパラギン酸の等電点は3程度であり,pH3.0では, ほとんどが双性イオン②として存在する。 (5) (2) CH2 [H] COO pH=3.9 d: ① と ④ SP I H+ pH=9.8 [*H] A BASI CH2 COOH (4) (日本大) 中文 A] 1600² まず, pH1の2点では陽イオン ⑤ であり, NaOHを加えると5⑤②と変化し, pH3.0のb点でほぼすべてが双性イオン ② となる。」 さらに,NaOHを加えると,側鎖のカルボキシ基が中和されて ②① と 変化する点はこの反応の中間地点で②と①がほぼ1:1で存在している。 THI pH7でほぼすべて①となりさらにNaOHを加えると, NH3+ OH → NH2 + H2O 加えると ません と反応し,①→④と変化する。 d点はこの反応の中間地点で①と④がほぼ1:1 で存在している。 CH H2N-CH-COO I CH 2 I COO

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English Senior High

mainstreamⅢ chapter18 章末問題 解答教えてください!

6 Chapter 18 Comprehension a. On the basis of Gurdon's research, Yamanaka revealed that specialized cells from a mature Choose the appropriate answer. body can be transformed into iPS cells. frog. b. Gurdon placed cells from the skin of mice into an unfertilized egg cell of a c. Yamanaka took cells from the blood of mice and transformed them into a baby. d. The only difference between Gurdon's and Yamanaka's experiments was what cells they used. e. Organ rejection will no longer be a problem because it has become possible to develop organs from the patients' own cells. f. iPS cells will soon make it possible to cure all types of diseases. g. Yamanaka admits that iPS technology has done harm in some cases. h. Even as a scientist Professor Yamanaka believed that his mother saw his father's ghost. i. Professor Yamanaka has never thought of giving up research. found iPS ce j. What Professor Yamanaka wanted to say in the speech was what seems unfortunate at first may turn out to be fortunate in the end. not e mes B Choose the most appropriate main theme. a. John Gurdon and Shinya Yamanaka won the Nobel Prize because they helped each other for 40 years to create iPS cells. Chapter 18 | Minis SO 15 b. We should be careful about new technology because it takes time to put it into use and it can do harm. 24 c. Professor Yamanaka has experienced challenges in his life but they were also opportunities, one of which led to the Nobel Prize.

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English Senior High

1枚目の本文に対する2枚目の問題の答えを3-イか3-ロで迷っているのですが、どちらが正解かわかりません。どなたか理由もあわせて教えてもらいたいです。 よろしくお願いします!

Omoiyari is said to be a key concept of the Japanese mentality. (Its primary meaning is the ability to imagine other people's feelings. Japanese people's good manners have often (2) been associated with it and reported in news articles. For example, Japanese soccer supporters cleaned up the stadium after the matches at the World Cup, actions that were praised by the foreign media. Some experts say the supporters' behavior is related to education in Japan, where children clean their classrooms every day. Another example was seen during the frequent natural disasters. Even in such situations, many people still kept calm and patiently waited in lines for emergency supplies. JANET [ 3-1 ] According to a survey by an organization to promote good manners in Tokyo, less than 30 percent of Tokyo residents think people in Tokyo have good manners. [ 3-□ ] For example, Tokyo residents notice bad manners on the train. (4)Some young people sit in priority seats and do not give sit (5). V₂ 1 up their seats to the elderly, and others put on makeup. [ 3-> ] In an effort to get the passengers to 52 act more (5), railway companies display posters, saying things such as, "Please line up and c wait your turn" or "Please switch your phone to silent mode while ( 6-a) the train." 5 [ 3-= ] Omoiyari is often seen in school mottoes and emphasized in moral education at school. Some of the values that students are ( 6-b) include respecting the elderly, helping those with disabilities, and keeping promises. Students also take turns (6-c) in charge of cleaning the classroom, serving lunch, taking care of plants and animals. In addition, volunteer clubs collect money for charitable organizations and members visit elderly people in nursing homes. In moral education class, students read stories and discuss the topics in them. The teacher facilitates the discussion and the students draw their own conclusions. (Nakaya, et al., Discuss the Changing World, Seibido)

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English Senior High

ビジョンクエスト ワークブック1の49ページの問題です。先生に印刷してもらった解答を捨ててしまい、答え合わせが出来ない状態です。 答え、もしくは答えを写真で撮ったものを教えて下さると幸いです。よろしくお願いします。

夕 3 日本語に合うように,( )内の語句を並べかえて英文を完成させなさい。 □ 1.次のバスまで1時間待たなければならないので,歩いたほうがよさそうだ。 (京都精華大 ) We'll have to wait an hour for the next bus, so (well / we / as / might / walk) A 2. 温かいお風呂に入ると、 あなたはよく眠れるかもしれない。 Taking a warm (may / you / help/sleep/bath/better). 3. 長時間働いた後でさぞお疲れでしょう。 You (tired/working/after/must / long hours / be). ES/be 4. 君はそんなに食べるべきではなかった。 You (not / to /eaten/ought / have) so much.log of 8 ) 5. タカ「コンピューターがこの数日間, 動くのが本当に遅いんだ。」 メグ 「あら。 ひょっとするとウイルスに感染したのかもしれません。」 Taka: My computer has been running really slowly the last few days. Meg: Oh dear, it (a virus / been/ have / infected/might / with). tod ■ 6. スタッフの中には計画の変更を知らされていない者もいた。 4 日本語に合うように、[ ]内の語を使って英文を完成させなさい。 1. この種のことは,一般に許されるべきではない。 [should, allow] This sort of thing 2. 私たちの世界には、想像できないような出来事があり得る。 [event] In our world, unimaginable □ 3. 最近, 地球温暖化に対する関心がはるかに薄いと思う。 [pay] I'm afraid much less attention 4. ダイエット中にパンやお米を食べ過ぎてはいけない。 [had, too] You ow of gridianoa (西南学院大 ) Some of the staff (to/informed / been / the changes / haven't / of) the project. in general. (センター * ) (龍谷大*) (和光大) ■ 2. 私たちはパーティーをキャンセルする前に彼女の意見を聞くべきだった。 SCRITO (センター) omoa ( 八戸工業大 * ) 5 次の日本語を英語に直しなさい。 m ■ 1. この本は明日までに図書館に返さなければならない。 (This bookで始まる文に) (大阪市立大 * ) RAHOIT global warming lately. (福岡大*) OT (近畿大) bread or rice while you are on a diet. (学習院大) (京都産業大 * ) 助動詞 受動態 49

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