Grade

Type of questions

Chemistry Senior High

滴定曲線の見方について、質問があります。 画像のような問題が出た場合、 ・いつも10mlのところを見る ・10mlのところから上にのばして、点線のところと真っ直ぐぽいところの上にあればMOで、下にあればPPという認識であっていますでしょうか。 滴定曲線の見方がよくわからなく... Read More

160 滴定曲線 pH (1) pH (2) る。これらの図に該当する酸・塩基の組合せを[A群]から、中和点を調べるためのpH指示薬については [B群 からそれぞれ選び、記号で答えよ。 次の(1)~(4)のグラフは, 0.10mol/Lの酸の水溶液に0.10mol/Lの塩基の水溶液を加えたときの滴定曲線であ ガラスのみかたわかんない 12 pH 12 (3) pH (4) 10 105 12 12 8 8 10% 10 6- 6 8 8 4 6 4 65 2- 2 4 4 2 0 10 20 (mL) 2 0 10 20 (mL) 0 [A群] (a) (c) [B群] 中和滴定 3rdschool (ウ) メチルオレンジ・フェノールフタレインいずれでもよい 塩酸にアンモニア水 (b) 塩酸に水酸化ナトリウム水溶液 酢酸にアンモニア水 (d) 酢酸に水酸化ナトリウム水溶液 (ア) メチルオレンジが使用可 (イ) フェノールフタレインが使用可 10 20 (mL) 0 10 20 (ml) □10mlのところみればいい?(いつも) (エ) メチルオレンジ・フェノールフタレインのどちらも使うことができない A群 B群 ((a) (ア) (2)(C)(2) (3)(d)(イ) 1130 (4) (b) (ウ)

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English Junior High

四角Bが、 アになる訳が分かりません、 ウだと思いました💦

2次会話は、高校生の茜、 壮太と、オーストラリアからの留学生のジャックが、 ある 話題について休み時間に話したときのものです。また、グラフ1は、そのとき茜たちが 見ていたウェブページの一部です。これらに関して、あとの1~5に答えなさい。 Akane : Hi, Jack! Can we ask you something? We have Jack Sota Jack about eco-tours since this morning. A a presentation : Sure. Eco-tours are an interesting topic! They're becoming popular in many countries. : Yes! On eco-tours, tourists can enjoy nature and also learn about it, right? : That's right. On eco-tours, people don't just visit places. They learn about nature, animals, the local history, and traditional cultures. And they often talk with local people to understand more. Akane: It's different from normal trips. Jack : Yes, it is. The theme of eco-tours is protecting nature. People can enjoy the trip more deeply by learning about nature and helping to protect it. Sota : I hear that eco-tours started in Australia Jack : Yes. The Australian government started promoting eco-tours in the 1990s. People began going to forests, mountains, or Aboriginal villages. Akane: Have you ever joined an eco-tour? Jack Sota : Yes, I have! I once visited an Aboriginal village. I talked with Aborigines, saw how they lived and walked in the forest with a local guide. I really enjoyed it and took many pictures. I'll show you some next time! : Sounds exciting! I also want to experience an eco-tour in Australia someday. Jack : You should! B do you know any good places for eco-tours in Japan? Akane: Yes! Okinawa is a great place for eco-tours. I found a graph on the internet. It shows that the number of people who joined eco-tours in Okinawa increased from 2013 to 2017. In 2017, more than 500,000 people joined. Jack : 500,000 people? That's great! Akane Yes. The graph also shows that C Sota Jack Sota foreign tourists joined eco-tours than Japanese tourists in 2015 and 2017. The number of Japanese tourists in 2017 was only about 100,000. : I hope a lot of Japanese people will try eco-tours. Actually, I went to Iriomote Island in Okinawa last summer with my family. : Oh, nice! What did you do there? : We joined an eco-tour there. We went canoeing on the river and hiking in the jungle A local guide showed us many wild animals and plants. He also told us stories about life on the island.

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