(4)の求め方がわかりません、、！教えていただけると嬉しいです

□(3) 試験管Aと試験管Bにうすい塩酸を加えたとき 選びなさい。 ア 無臭の気体が発生した。 ウ 白色の固体が試験管に付着した。 イ特有の刺激臭のある気体が発生した。 AC エ変化しなかった。 3 図1のように うすい塩酸を20.0cm² 入れたビーカー全体の質量をはかった。 次 図1 に、うすい塩酸に炭酸水素ナトリウムを0.42g加え、気体の発生が止まった後,再 び全体の質量をはかった。次に、うすい塩酸20.0cmに加える炭酸水素ナトリウム の質量をいろいろに変えて同じ実験を行い、その結果を表にまとめた。これについ 84.00 て、次の問いに答えなさい。 0.42 □(1) 化学変化の前後で、化学変化に 関係する物質全体の質量は変化し ない。このことを何の法則という か。 ビーカーとうすい塩酸の質量 〔g〕 炭酸水素ナトリウムの質量〔g〕 反応前の全体の質量〔g〕 反応後の全体の質量〔g〕 84.42 84.20 [質量保存の法則] □ (2)表をもとにして、炭酸水素ナトリウムの質量と発生した気体の質量 の関係を,図2に表しなさい。 □(3)この実験で用いたうすい塩酸20.0cm²と過不足なく反応する炭酸水 素ナトリウムの質量は何gか。 [1 □ (4) 炭酸水素ナトリウム3.00gを完全に反応させるためには,この実験 で用いたうすい塩酸が少なくとも何cm 必要か。 四捨五入して整数で 求めなさい。 [ cm³] -28- g] 84.00 0.84 84.84 84.40 図2 1.10 発生した気体の質量g 生 0.88 0.66 〔g〕 0.44 量 0.22 ] B[ 20 84.00 1.26 85.26 84.60 84.00 1.68 85.68 84.91 86 ANS OA bb 0 0 0.42 0.84 1.26 1.68 炭酸水素ナトリウムの質量

団結して自立する民衆で、なにかの出来事を2つの視点で考察などをしないといけないのですが、どういう感じで書けばいいのか分かりません

L ◎思考・判断・表現 学習課題の内容から、事象(できごと)を取り上げ、2つの視点から 考察し、表現しよう。 視点1 注目した事象(できごと) 上記視点から事象を捉えると･･･ ↑ 視点2 上記視点から事象を捉えると･･･

英語の長文問題で、自分の回答が模範解答と少し違かったので質問したいです。自分の回答は合っている答え方ですか。

次の英文は,中学生の浩 (Hiroshi) , 高校生の直人 (Naoto) とサイクリング (cycling)に出か *** 53 けたときのことを書いたものです。 あとの (1)~(6) の問いに答えなさい。 Naoto is a high school student and lives near my house. I like him and call him Nao-san. He loves road bikes and cycling. do One day last September, I asked Nao-san to go cycling together. He smiled and said, "OK. Next Saturday, I'm going to go to the lake on the road bike 5 mountain by bike. It's a very beautiful place. Have you ever (be) there before?" "No," I answered. "Then you should go with me. Do you wwolf, the you biaya ush.caufis ou I bas zbramvinkamue ain't have a road bike?" "No, Nao-san. My bike isn't a road bike." He said, “I will use my father's road bike, so you can use mine. Let's enjoy cycling together." TH T Saturday came. "Hiroshi, first, we're going to go through the town. Let's go." Nao-san and I started our trip. 10 About an hour later, we went out of the town and took our first rest. I said, “Your road bike is very nice. I can ym a lenti go fast on your bike. It's not so hard.” He answered, “That's good. It was (A) to go through the town. But from now it will be (B) to go up the mountain. We should take two or three rests before getting to the lake." I said, "I'll be fine when we go up the mountain, so I won't need any rests." UGLER TTS Nao-san and I started to go up the mountain. Cycling with him) started to become harder. I really wanted to 15 rest, but I couldn't say it to Nao-san, so we didn't stop. About two hours later, we could see the lake at last. He said, "We'll get to the lake soon." Suddenly, my legs couldn't move because I became so tired, and I fell over. at last. He "Are you OK?" Nao-san asked. "Yes, but I made a big scratch on your road bike. I'm sorry, Nao-san.” “Don't worry about it." Then, we took a long rest. After that, we walked to the lake with our bikes. suddenly clear blue sky 青く澄んだ空 When Nao-san and I came to the lake, I was very tired and couldn't say anything. He 2 (begin) to talk. "You 20 did very well." "No, I didn't." "Listen to me, Hiroshi. When we start something, sometimes we can't do it well at first. Then what should we do?" I didn't say anything. I was just looking at his road bike. There were many old scratches around the big new one. They were not all made at one time. "I understand!" The scratches taught me the answer. "Try it many times. Then we can do it well!" "That's right," Nao-san said with a smile. "Can I go cycling with you again?" I asked. "Sure. Let's go back home now." We started to go back home under the clear blue sky. Elake きゅうけい rest 休憩、休憩する at last ついに,ようやく fell over: fall over (転ぶ) の過去形 scratch leg (s) [静岡]

なぜ、答えが 『エ』ではなく 『ウ』になるのか 教えてほしいです🙇‍♀️

次の英文を読んで、問1~問5に答えなさい。 *印のついている語句には,本文のあとに〔注〕があります。(10分) A 1901, the Nobel Prize has *honored men and women from all over the world for great work in science, writing, and peace. The Nobel Prize is an *award that was started in Sweden. The name Nobel Prize comes from a Swedish scientist, Alfred Nobel, who made more than 350 *inventions. In 1895, a year betore he died. he set up the award. Many people think the Nobel Prize is the greatest award a person can receive. Twenty two people from Japan have received the Nobel Prize. Recently, awards were given to three scientists from Japan in 2014 (for their work in science. These three scientists, Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura, made a bright blue *LED in the 1990s. All three colors are needed to make a white LED. White LEDs are bright, last for a long time, and don't use much *energy. Because of this, white LEDs are becoming more and more popular. They are B than fluorescent lights or *incandescent lights, but people can use them for a longer time. People can use LEDs for about 100,000 hours. That is 10 times as long as people can use fluorescent lights and 100 times as long as people can use incandescent lights. (2 Perhaps you are thinking that these scientists are cleverer than you. Their invention is really special, but they are people just like you. (3) People said that they could not do it. They had to make their own *equipment for their work. they tried more than a thousand times, they still were not able to make a blue LED. But they never gave up and finally they did it. Perhaps one day, if you work hard, you will get the Nobel Prize, too. Nobel Prize ノーベル賞 award LED I'I ・発光ダイオード 蛍光灯 機器 ……………. fluorescent equipment 〜をたたえる 発明品 honor invention energy I: incandescent 白熱灯 .…....

なぜ、答えが『ウ』 ではなく『イ』なのか 教えてほしいです🙇‍♀️

次の英文を読んで、問1~問5に答えなさい。 *印のついている語句には,本文のあとに〔注〕があります。(10分) A 1901, the Nobel Prize has *honored men and women from all over the world for great work in science, writing, and peace. The Nobel Prize is an *award that was started in Sweden. The name Nobel Prize comes from a Swedish scientist, Alfred Nobel, who made more than 350 *inventions. In 1895, a year betore he died. he set up the award. Many people think the Nobel Prize is the greatest award a person can receive. Twenty two people from Japan have received the Nobel Prize. Recently, awards were given to three scientists from Japan in 2014 (for their work in science. These three scientists, Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura, made a bright blue *LED in the 1990s. All three colors are needed to make a white LED. White LEDs are bright, last for a long time, and don't use much *energy. Because of this, white LEDs are becoming more and more popular. They are B than fluorescent lights or *incandescent lights, but people can use them for a longer time. People can use LEDs for about 100,000 hours. That is 10 times as long as people can use fluorescent lights and 100 times as long as people can use incandescent lights. (2 Perhaps you are thinking that these scientists are cleverer than you. Their invention is really special, but they are people just like you. (3) People said that they could not do it. They had to make their own *equipment for their work. they tried more than a thousand times, they still were not able to make a blue LED. But they never gave up and finally they did it. Perhaps one day, if you work hard, you will get the Nobel Prize, too. Nobel Prize ノーベル賞 award LED I'I ・発光ダイオード 蛍光灯 機器 ……………. fluorescent equipment 〜をたたえる 発明品 honor invention energy I: incandescent 白熱灯 .…....

どういう過程でこの答えになるのかがわからないです、教えて下さい。🙇‍♀️

〔2〕 ax-by-ay+bx を因数分解しなさい。 Ans. (a+b)(x−y) 【15点】

この問題は全てウにならないのですか？？ 教えていただきたいです🙏🏻 また、できれば答えも教えて頂きたいです

練習問題 1 次の文の( )内から適するものを選び, 記号で答えなさい。 (1) I hope (ア see イ sees ウ to see) you again. (2) He's using a computer to (ア does イ doing ウ do) his homework. (3) It is hard (アanswer answers ウ to answer) the question. (4) I don't have (ア anything イ anything to ウ to anything) drink. 2 次の各組の文がほぼ同じ内容を表すように, Yuji listens to music. He likes that. に適する語を書きなさい。

【⠀3】に質問です！ ここの答えにmeansが入るのですが、何故かわかりません😭誰かお願いします🙇🏻‍♀️՞

4 〈一般動詞を用いた同意表現〉 次の各組の英文がほぼ同じ内容になるように, Mark is a good tennis player. Mark tennis (1) 7 (2) A There are seven days in a week. seven days. 'I don't know exactly what she wants to say. (3) I に適する語を書きなさい。 <6点×3> (修道)

What day of Kawamoto’s diary impressed you most? Why? ここの問題の和訳と解答例を教えてほしいです。

Let's Read [2] EO 29977 Muty base ==I2+0)-ASTELAT. 1945年5月6日, 子 に投下され。 2 多くの中学生も牲になりました。 当時広島県立広島第二中学校(二中)の WAZI だっくんもその一人です。 くんの日記には、 1944年12月1日から2日前の 1945年8月4日までの日々の出来が SKRY 説明に書かれています。 Before You Read Hit 2. 20 ような生活していたと い出すか 42 自分と同 New Words commute komt 1 stoom or in tečin unfortunately jeniti] delcy(ed) worled saril ceremonyan dind Deignied) (d) lief-1 happen t • ga on Goal Neading を読み取り、 Speaking 筆者に伝え合うことができる。 From the Diary of Kawamoto Itsuyoshi 祝日 河んくんの日記。 拓が手に入りにくい時代だったので、 の伝 書かれています。 April 4 (Wednesday), Sunny Today was a happy day for me. From today, I am going to commute to Nicht. I went to Hiroshima on the 6:50 a.m. steam train. Unfortunately, it was delayed. I was worried, "What will happen to me?" When I arrived at Nicht, the ceremony was already going on. After I explained my delay, they let me in. I sighed with relief. $ 5 300 15 - April 15 (Sunday), Sunny Today is the third Sunday. I went to school and at last we started to study. We had English in the first hour, self-study in the second, history in the third, and math 2 (geometry) in the fourth hour I studied very hard. April 30 (Monday), Sunny For the first time, a bomb was dropped on the city of Hiroshima. It was just before I crossed Enko Bridge. "Grr, thump, thump!" What a frightening noise it made! Then, a thick cloud of smok ruse up. I went there right away and saw a fire burning intensely. - July 6 (Friday) Today was a work day. In the morning, we dug holes bury glass. At lunch, I ate a loquat. Uehara gave it to me. I also ate sume peas and a sweet potato. During our rest time at lunch, we played hide-and-seck. It was a lot of fun. In the afternoon, we carried tree branches. ALBEN (5) 1. What made Kawamclo worried on April 4? Q. 2. When was a comb dropped on Hiroshima for the first time? 下直 New Ward studylbichl] geometryman] rose [] bridge Grup, thumpl pl hightning (staigl naise thick (0) smoka (k) and → Z rosa [ro] fira a LT) gamin mensely Extas dig →Zug [da] hole(e) hol cury Dr glass() loquat Dok Denis] [6] patata ateiion] awet po ato [et potcitou hide-and-sek hiidansi k branch(s)[fiel ............. of lact for the firar time night way for Raiding VERSI [画されている内容 2. 分 LING おおか みやすくなる。 fcipliw 43

英単語です。 anyとanything、someとsomethingの違いを教えてください🙇🏻‍♀️