(3)の②なんですが、水酸化ナトリウムとうすい塩酸を加えると中和が起こりうすい塩酸の中にある水素イオンは無くなり、水酸化ナトリウム水溶液の濃度が二分の一にならないんでしょうか。ナトリウムイオンと塩化物イオンがイオンとしてそのまま残っているからですか？ また、水酸化ナトリ... 続きを読む

(3) BTB液を加えた同じ濃度の水酸化ナトリウム水溶液20cmを入れたビーカーA~Fがあの。 ーカーA~Fに,図10のように、 それぞれ違った冊のうすい塩酸を加えて水溶液の色の変化を再 べる実験を行ったところ、 表2のような結果になった。 図10 塩酸10cm 塩酸20cm) 塩酸30cm 塩酸40cm 塩酸50cm 塩酸60cm A B F ナ 20 20 の 50 水酸化ナトリウム水溶液20cm 5 表2 A B C D E F 知えた塩酸の量 [cm') 10 20 30 40 60 水溶液の色 青色 青色 青色 緑色 黄色 黄色 0 図11は、ビーカーAの水溶液中のイオンのようすを表したモデルである。 図12はこれになら に、 ってビーカーDの水溶液中のイオンのようすをかき表そうとしたものである。 図12の 必要なイオンをかき入れて, 図12を完成させなさい。 図11 図12 OH Na" Na (Na Na Cl OH CI OH (Na') Na' CIT Na Na' 2 実験後のピーカーEに, ビーカーBの水溶液を少しずつ加えていったところ、 あるとき水溶 液の色が緑色になった。 このとき加えたビーカーBの水溶液は何cm'か。計算して答えなさい。 ただし, ピーカーBは, 水酸化ナト リウム水溶液20cm'にうすい塩酸20cm'を加えて40cm'にな っているものとする。 ナトののうドー 20

(2)(3)が分からないです。 なるべく式などの省略無しで教えていただきたいです。お願いします!!

以下の2次関数 f(x) に関する以下の問いに答えよ。なお, aは正の実数 である。 「(x) = x-8ax + 15a° 2-60 515a a 4 for (1)f(0) = 60 のとぎaの値を求めよ。 dng -1 2 fe assogi (2)(1)のとき, 点P(6. -1)を通る傾き m の直線が, 放物線y=f(x) と1つ以上の共有点を持つための mのとり得る値の範 囲を求めよ。 a. Just ms 20 21, 22 23 < m ree for (3)(2)のとき,点Pを通り放物線 =f(x) とただ1点で接する2つの 直線の傾き m, m, と,おのおのの場合の接点の座標を求めよ。なお, m,< m,である。 cep vapiresaway if the Garlie could aleo be nabbed on places holes re worn 傾き m, =24 25のとき 接点(26, 27) 傾き m,= 28 2のとき followiag is a major difference 接点(0. 1 2)

資本主義派と社会主義派で討論することになって、私は資本主義派でクラスで社会主義派が凄く多く資本主義派があまりいないんですけど勝ちたいと思っています。社会主義派の人が反論できないような内容を教えてくれると嬉しいです。明日討論なので早めに教えてほしいです。

問題の答えを教えてください

What are the problems 2 from far away? airplane usesa lot of oil. When we import chicken from When we import food from far away, there are various problems. For one thing, transportation by ship or TOod niN abool esifl gode boodnodi When we import food from far pn problems. For one thing, transportation by shis ein] Brazil, for example, we consume a great amount of th at] earth's limited resources. The second problem is the effect on the environment Ships and planes burn fuel and release CO2 into the atmosphere. CO2 is said to cause the greenhouse effect and global warming. This is how our food affects the environment. 10 feihg The third problem is food safety. On the long journey bod s from a distant country, food may go bad. As a result, a lot of preservatives may be used to keep the food fresh. d odsl mis Juods 29mo

「b」に入るのがアなのはわかるのですが「c」に入るのがイなのがわからないです。エでもよいと思うのですがどうしてダメなのか教えてください！

Mr. Baker: Today, we will talk about living with robots. Asami, what do think? you Asami:I think robots make our lives better because Dthey help us in many ways. Some robots can put together products, like cars or cameras. 【a】 Kaito: As Asami says, the robots working for people are amazing. But, robots are so efficient that they're taking people's jobs away. 【b】 Meg:Some robots work in hospitals and homes. 【c】 The number of elderly people has been increasing. Future robots can help (2)them go shopping or take a bath. Josh: That's true, but I'm a little afraid of living with robots. If they get out of control, we don't know what they'll do. Robots are machines. 【d】 Mr. Baker: Thank you everyone. Let's keep thinking about the best way tolive with robots. * put together : 組み立てる in part: ある程度 efficient : 効率のよい, 能率的な take .. away : ~を奪う elderly people : お年寄り out of control: 制御きれなくむ

一応解いたので合ってるかどなたか教えていただきたいです😭🙇‍♀️🙇‍♀️🙇‍♀️ 見にくくてすみません🙇‍♀️🙇‍♀️🙇‍♀️🙇‍♀️🙇‍♀️

KEY POINT Itis that 「……のことは~だ」という意味を表します。英語では主語が長くなることを避けるため, it を主語にし、その内容を that 節で表します。 It is amazing that trains run on time in Japan. (日本で電車が時間どおりに走るのは驚きだ。) It is well known that traveling is convenient in Japan. (日本では移動が便利であることはよく知られている。) DRILL It is ~ that と( )内の語を使って, 次の英文を意味の通る1文にしましょう。 1. Japanese people are polite. (amazing) t is ama zing that Japanese people are polite 2. Japanese people use three writing systems. (interesting) t is Tneresting ot people hree utifing systems Japane se use 3. Japanese people sometimes work during holidays. (surprising) Surprising that People Soretines 4ork during holidays is 4. Japanese people patiently wait in long lines. (amazing) 1 is amazing thot Japen eic People potiently Japap ese waif in lony lines

英検2級です。添削お願いします！ 過去問のライティングです！

0.0 No. Date 1 agree with this apinion. 1 have two recasons. Fivst, I think that pe ducing the amount ot food That they throw a ikay 200is 1g00d for world We take for gran ted to cat. 50me food . But, 49 the re are . Many people whoican't eat enough food Second, restanrants and supermakets Can de crease zhe ost of jmakiug locdby iedecing The aniount food by teducing the Cost of making the oamount 61 ot fod 1think that . Cooking a lot of fo0d 72 spends many costin and many Time. 1think that COst and For these reasons they sheuld to rcduce the amount.ot feod that they Auay Lesbai 年

なぜこうなるのか教えて下さい🙇🏻‍♀️ あとこゆ形の問題苦手すぎてミス多いので解くコツとか勉強法あったら合わせて教えて下さると嬉しいです！数こなして慣れていくしかないですかね…？

問2 Professor: Your presentation was great, but let me point out one thing. Student: Yes, professor. Professor: You spoke a little fast, so other students couldn't catch you. Student: Thank you for your advice. I'll 24 follow. (A) prepare A) Jat a slower speed (A that is easy to B) speak (B) in a hurry B) with your 問3 James: Isee Koichi running in the park on the weekends. Saki: Me too. I've already seen him three times after work. James: I 25 just a coincidence. Saki: He might be training hard for the marathon race in secret. (A) cannot help D concluding this is (A) less than (B) cannot help but (B) doubt if he is B)more than 一→

すみませんカッコの中に入る正しい答えが分からないので教えてください🙇‍♀️

James What time do you wake up? Chris I get up 6:30 every school day. James What do you before you come to school1? Chris I and Finally, I James How about weekends? Chris Saturdays I get up 10 AM. the winter months I sleep later, because it's cold. How about you? How late do you sleep? James Well, last night I got 10 hours of great sleep. I slept like Conversation2 Unit 7 Future Tense Yoko Do you have plans for this coming vacation? Runa Yes. I'm going to America. Yoko How exciting! Where you going to go in America? Runa To New York. After that, I'm not sure. Maybe I go to Boston. Or perhaps I travel to LA. How about you? Yoko staying here in Yamagata because of my job. But next summer, my roommate and I visiting Thailand. Runa That's great. But be sure to travel Don't take too much luggage with you! Conversation3 Unit 8 Present Perfect Tense Mike Have you ever Thai food? Pam No, I How about you? Mike Yes, I It was very spicy. Pam Have you ever to a foreign country? Mike No, I have never traveled Have you? Pam been to Korea and Taiwan. I really loved eating the food there. It was delicious. Mike All this talk about food is making me hungry. you eaten yet? Pam I eaten anything. Let's go toa café. Mike Sounds Conversation 4 Unit 9 Auxiliary Verbs Mai Excuse me, Shun. I borrow a pen? Shun Sure. You look tired. What's up? Mai Well, I really finish this report by tomorrow's deadline! By the way, how is your part time job? Shun It's hard work, but I save money for the future. If I don't shop for clothes too much, that is. Mai You try looking for sales. Clothes don't have to cost an if you look for discounts. Shun You're right. I buy my clothes from second hand shops. And there's one other thing. Mai What is it? Shun I borrow ¥2000 for my next shopping spree?

正しい語順を教えてください。 よろしくお願いします。

20 会議は悪天候のため予定より一時間遅れています。 The meeting is (オ. bad weather 2. an hour 3, schedule 4. running 5. because ブ.0 6. behind 7. of ). 21 度重なる会議への遅刻で彼は解雇されてしまった。 Being(1. laid off . 2. late for 3. to be 4. him 5) caused 6. meetings 7. many times ). 22 本社は生産性を上げるためにシンガポールに移転するはずだ。 The headquarters ( 1 . to increase 2. Singapore 3. to 42 relocate to 5. supposed 6. in order 7. are) productivity. N