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理科 中学生

問3の解説をしていただきたいです🙇🏻‍♀️

問2/実験1の(3)で, ビーカー内の液に、さらにうすい塩酸を10cm加えたときには, 中和の反応 4 wさんは,中和について調べる実験を行いました。問1~問5に答えなさい。(19点) は起こりませんでした。 その理由を,中和に関係しているイオンの名称を使って書きなさい。 (4点) 水素イオンと紛び付ける、水酸物 イインがないから。 実験1 1)うすい水酸化ナトリウム水溶液25cm)をメスシリンダーではかりとり,ビーカーに入れた のち、図1のように,BTB溶液を教適加えたところ、ビーカー内の液は青色に変化した。 問3 実験1の(2), (3)で, ビーカー内の液に加えたうすい塩酸の体積と, ビーカー内の液にふくま (2) 図2のように,ガラス棒でかき混ぜながら、こまごめビベットでビーカー内にうすい塩酸 を少しずつ加えていったところ,うすい塩酸を10cm?加えたところでビーカー内の液の色が れるイオンの数の合計との関係をグラフに表すと、どのようになりますか。次のア~エの中か ら一つ選び、その記号を書きなさい。ただし、実験1の(1)で, ビーカー内のうすい水酸化ナト 緑色に変化した。 リウム水溶液25cm?にふくまれていたイオンの数はa個であったものとします。(4点) (3) 緑色に変化したビーカー内の液に、さらにうすい塩酸を10cm加えた。このとき,ビーカー 4a 4a 内の液は黄色に変化していた。 イ 3a イ 3a の 2a ト ン5 25 ガラス棒 こまごめ ピペット -BTB溶液 塩酸 0 10 20 青 孝 00 O0 10 20 10 20 水酸化ナトリウム 水溶液 加えた塩酸の体積 [cm'] 加えた塩酸の体積 [cm) ア 図1 図2 4a 4a 間1実験1の(1)で,うすい水酸化ナトリウム水溶液25cm3をメスシリンダーではかりとったとき イ 3a イ 3a の,目の位置と液面のようすを模式的に表した図として最も適切なものを,次のア~エの中か 2』 ら一つ選び,その記号を書きなさい。(3点) 2a -30 -30 -30 -30 個] a a 00 10 20 10 20 20- 20 20 -20- 加えた塩酸の体積 [cm°] 加えた塩酸の体積 [cm°] ウ エ ウ エ イオン数の合計 個 イオン数の合計 個 、数の合計 個 イオン数の合計 網 II||||||||||山 山山 I (A LILII||||

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英語 中学生

画像の問題の問2の答えがfoundなんですけど、なぜfoundになるのか教えてください(>_<;)

北海道 28年度 3 次のA, B に答えなさい。 とキ文 人 A 付組織)について学んだ後に書いたものです。これを読んで, 問いに答えなさい。 With some problems, Also he learned many people want medical treatment from the NGO but the number of doctors is not Without Borders, an NGO which gives *medical treatment to people in countries So more doctors are needed. After this lesson, Takao wanted to save people 's *lives. Takao talked about it with his father that night. Takao asked, "What should T do to be a member of Doctors Without Borders?" His father said, "First, you have to study a lot and enter a university for doctors. Another important thing is to learn how to *communicate with people from different countries.” Takao felt he the answer. He began to study harder at home and use English more after becoming a during English lessons. Now Takao has a plan to go *medical student and hopes to study with students from other countries. (注) impressed with ~に感動する communicate コミュニケーションをとる medical treatment 治療 life(lives) 生命 medical student 医学生 問1 本文の内容から考えて, に入る英語として最も適当なものを,それ ゴ'nai sil oV miT ぞれア~エから選びなさい。 (1) ア small イ ウ few same エ enough (2) ア abroad イ afraid ウ fast エ hard O-) ト 問2 本文の内容から考えて, に入る適当な1語を書きなさい。 5gs (ai /abam) S19 問3 本文の内容から考えて, 次の問いに対する答えを, 主語と動詞を含む英文1文で書きな 2idT (1) さい。 What did Takao start to do in English lessons after he talked with his father? 1f. 6. amdool os 1Yrog) 1sdW E) 00s sit (1ovenoNoVed 3sd) I ()

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国語 中学生

ケニアの森林が減った理由について、 30字いないで答えなさいの問題で私は ケニアに住む人が増え土地を覆っていた木を伐採したため。 とかにました。ピンになりますか??

|2 次の英文は, ワンガリ ·マータイ (Wangari Maathai) さんと, グリーンベルト運動 (the Green Belt number of people who lived there.. It wasincreasing every year. More people were cutting down the trees which covered_the land, They used them for *firewood when they cooked food So the forests in Kerya cannot get the firewood they need either. Forests also give food to many kinds of animals. They save the bare. The bare land cannot hold water, and cannot produce enough vegetables for the people. The people (anc Forests can hold a lot of water. If the trees in forests are cut down, the land becomes Maathai wanted to protect the forests in Kenya. She had an idea to make a group of people to plant trees. 第3回 cOvered こあかり Movement)について書かれています。各問いに答えなさい。 When she went back to Kenya, she got a shock. One of the *causes was the studied *biology in the U.S. when she was a young woman. In those days, the forests in Kenya were becoming smaller year after yeau 5 became much smaller while she was abroad. lives of people and animals. Soforests are very important. 10 She founded the Green Belt Movement in Kenya in 1977, She began to plant trees in order to prouet forests. There were many women working on the farms in villages in Kenya. They were very pooL, anat children were always hungry. They couldn't take good care of their children. Some of the children cou go to school. So Maathai wanted these women to join the Green Belt Movement. She began to work 15 the women. She *paid some money for their work. The money given to them wasa big help to make lives better. And that helped to make their children happier than before. At the same time, Maathai the women many things, such as how to read and write. They also learned that they could do somethin

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英語 中学生

過去問なんですが答えを貰っておらず分からないので教えてください よろしくお願いします

was studying エ will study) last イ is studying When Megumi① (ア studies と near She answered, "I will go to Kyoto ウ about night, Kevin called her. He asked her, "What will you do (② (アduring Do you have any plans?" エ of) your summer vacation? I visiting)my grandparents. How about you?" He ViSit と visited to visit E) we She said, "You can come to Kyoto with ④ (ア answered, "I don't have any plans now." ウ エ ours). It will be fun." He was surprised but very glad to hear that. our us と 7 次の英文は、図書館の職員が昨作年行ったアンケートについて説明しているものです。 これを読んで、後の問いに答えなさい。 Last year, we did *research about our library. We asked 2 questions to 200 visitors. Look at the *table. The first question was, "How often did you visit our library?” The number of Visitors who came more than 5 times a month is much smaller than the number of visitors in the other 2 groups. The second question was, "How long did you stay when you visited our library?" Look at the *graph. The number of visitors who stayed 0.5-1 hour is the largest of all. Those people borrowed books at the library and read them at home. Many people read books in the library and stayed here more than 2 hours. Those visitors who stayed less than 0.5 hours are as many as those 1 - 2 hours. These days, people are very busy and don't have time to come to the library. We hope to meet as many people as possible here. is important ) us books, so please come to our library. How often did you visit our library last year? How long did you stay when you visited our library last year? Answer Number of visitors Less than 0.5 hours (%01) more than 2hours More than 5 times 13 (38%) 0.5~1 hour 3~5 times 78 (42%) Less than 3 times 1~2 hours 60L (%01) (注*) research 調査 table 表 graph 図武

解決済み 回答数: 1