（2）のやり方を教えてください🙇‍♀️

（2）の方で、やり方を教えてほしいです！

問4の化学反応式ってどうなるんですか？炭酸水素ナトリウムを入れることでサリチル酸ナトリウムが生成することはないですk?

M 203. <医薬品に関する化合物の合成〉 Aはフェノールのナトリウム塩に二酸化炭素を反応させた後,希硫酸を加えること により合成できる。 Aにメタノールと少量の濃硫酸 (触媒)を作用させると,Bが得ら Aに無水酢酸を作用させるとCが得られた。 AおよびCは解熱・鎮痛作 れた。また、 ③ 用があることが知られているが,Aは副作用が強いのでCが広く用いられている。また Bは消炎鎮痛剤として用いられている。 (1) 下線部①の二段階の化学反応式を書け。 (2) 下線部 ② ③の化学反応式をそれぞれ書け。 (3) A~Cのうち, 塩化鉄(Ⅲ) を加えると赤紫色に呈色するものをすべて選べ。 〔実験4〕 水溶液 込ませ 入った 下痢 下 (5) (6) 下 (7) はニ は二 67 [23 学習院大 改] (4) 試験管に A 6.9g, メタノール 32mLおよび少量の濃硫酸を入れて反応させた後。 内容物を炭酸水素ナトリウムの飽和水溶液に加えたところ, 二酸化炭素が発生すると ともに, B6.08g が得られた。 このとき, Bの収率 〔%〕 はいくらか。 有効数字2桁で 答えよ。 ただし, メタノールは反応に十分な量であるとし, 収率とは化学反応式から 計算した生成物の量に対する実験で得られた生成物の量の割合をいう。 (H=1.0,C=12.0=16) [21 神戸学院大 ] (H 20 I

この文章の➍なんですが、 if the other personがどうして他の人ではなく前の文に出てきている話しかけた人になるんですか?

2 How to Make Friends When you're getting started at a new school or in some oth it's sometimes hard to make friends. It's normal to be g people feel they could not possibly start a relationship with anyone and as is often the case with people put into new situations. Sometime environment same shyness chance and 5 would rather be alone than try to make new friends. But the are that most of the people around you feel the same waiting for someone else to act on their wish to communicate someone new. to yours. og adt no are with 友達 達こ ● When you're in a situation with new people, the first step is to look 10 around at them. Then pick out someone who has a style that is similar It could be their hair, clothing, bag, or shoes. 29100 ni Once you've singled out a potential new friend, it's important to club, you have know what to talk about. If you're in the same school or common topics. If not, you can say something nice about the person, or 5 ask what they like and see what you have in common with them. Don't 犯 be afraid to simply introduce yourself to someone nearby. You may not see them as a possible friend at first glance, but talking to them may you. surprise you. 4 If the other person doesn't become your friend, it's OK. Don't give up! If you are anxious to make a friend, it may not happen right away. There's no need to make haste. A deep breath should put you at ease. Then you can find someone new and start again. turn to に頼るの方へ向 for the financial support He 食は金銭的支援を私に

1.（1）②、（2）②、（3）①、（4）③④⑧⑩、（5）③④⑤、（6）③④、（7）①④⑥、（8）①②③⑥、（9）の解説をして欲しいです。3枚目が答えです

英語科 〔文 法〕 1 次の各文の( )に入る最も適当な語(旬) を1つ 選びなさい。 3 I don't want to be a person ( things. mi 7 who says 1 what speaks which talks I whose tells 英語 ) bad They followed the instructions they ( by their homeroom teacher. Both Ken and I ( ) junior high school ア was give 1 were gave ry were given I were giving ad (1) students two years ago. 7 is イ am ウ was I are were ⑤Could you tell me ( ) a ticket? ) My brother is very good at ( baseball. 7 play plays playing I played to play 3 This computer is ( ) than that one. good I expensive ④ I enjoyed ( イ better ウ best important o) movies in my room. 7 where I can get イ where can I get ) how to buying 300 [中京大中京〕 where to buying I (3) Sarah says she can't come () she finishes her homework. 7 when if unless I after 2 I bought two books (1 yudar yesterday. ア write writing ) in English watch I watching b⑤Did your sister ( 7 study I studyed watches watched to watch studys ) science yesterday? studies studied ⑥ I want ( ) your e-mail address. ア know knows knew I knowing * to know ⑦Have you ever ( ) letters in Chinese? ア write writes writing I wrote written ウ wrote I written 3 Please come to the library, Frank. I'll be there between two (w ) three. A7 and 1 for to エ or Hiroshi and his family enjoyed ( ) at Hakuba last weekend. ア ski ウ 1 skiing for skiing I to ski ⑤5 Ben has an aunt ( He goes and stays with her every winter. ア what イ who ) lives in Hawaii. whose I where [ たちばな〕 (4) She is very proud ( ) her bonsai and ⑧ When Lucy () going home on a public bus last Friday, she saw her cousin in Lad the bus. 7 is am ウ are I was * were ⑨Emily is very ( ) because she goes to college from Monday to Friday and works part-time at a bookstore on weekends. 7 short busy I tall * large small [菊華] ) since (2) The number of car accidents ( 1992. 7 decreasing イ are decreased Gloves showing it to visitors. ア with イ of ウ to I in 2 ( ) we go to the movie theater? イ What don't ウ How are I Why don't ア Let 3 The baby was named ( 7 before after I over * since ④Mary has few friends. ( always with a lot of friends. Instead of ウ As for on Where do ) his uncle. to ) John, he is According to エ After all have been decreasing ⑤He has two other children ( I has been decreasing 2 How about ( ) a taxi instead of 7 besides 1 among Even if ) Alan. below walking there? I'm tired. 7 to taking taking I above * beside 6 Take the JR Line to Nagoya, and change ( ) there. ウ to call I calling you -147-

（2）の解き方を教えて欲しいです🙏 答えはウ1エ5です

66 右の図のように①OR 線分ABを直径とす る半径1の半円0の 円周上に2点P Q があり,AP と BQ の延長線上の交点を A Rとする。 P 72° Q 0 ∠ARB=72° のとき, 次の問いに答えなさい。 (1)POQの角度はアイ°である。 B [中部大第一] ウ (2) PQ の長さは "である。 I

（2）のやり方を教えてください

(2)弧の長さが2cm, 面積が3cm2のおうぎ形があ る。 このおうぎ形の半径はエ cm, 中心角はオカキ である。 ただし, は円周率である。 π (3) 右の図のような, 半円と中 [桜花] 心角が90°のおうぎ形を組み 合わせた図形がある。 斜線部 八の²である 4cm

（2）の問題で解説を見たら三枚目の写真のような感じで その中でも △ABD＝（100-40）÷2 というところでなぜ最後に2で割るのでしょうか？

63 右の図は∠A=90°, 辺BC の長さが20cmの直角二等辺三敵から 角形ABCを, 辺AC上の点D と頂点Bを結んだ線分BD を折 り目として折り返したものであ る。 2- B P D

画像の並べかえ問題教えて欲しいです 使わないものが一つあります

The period [called in / iron tools/is/learned / make/man/to/when/ which] the Iron Age.

かっこに入る d で始まる単語 を教えてください🙏

A: Look at that empty building with all its lights on. The way people waste energy really ( ) me. B: Me, too. When I think of the damage they are doing to the environment, I get really angry.