学年

教科

質問の種類

理科 中学生

この問題の(5)の答えが100グラムで(6)の答えが0.75なのですが、求め方が分かりません!!教えてください!

2 次の文章を読み、以下の各問いに答えよ。 黒色の酸化銅 Cu0を炭素の粉末と混ぜ合わせて加熱すると気体が発生し、 赤色の銅ができ る。さらに発生した気体を石灰水に通じると、 石灰水は白く濁る。このとき炭素は、酸化銅 から酸素を受け取り 一定量の酸化銅と過不足なく反応する炭素の質量を調べるために、下表A~Eのように炭 素粉末をとり、それぞれ80 gの酸化鋼とよく混ぜ合わせた後、 加熱して反応させ、 残った固 体の質量を測った。ただしAは、80 gの酸化銅のみを加熱したものである。 され、酸化銅は、 酸素を失い (2) されたことになる。 A B C D E 炭素粉末 0 3 6 9 12 残った固体 [g) 80 72 64 67 70 に適する語句を、 次のア~オの中からそれぞれ1つ 問1 文中の空欄 選び、記号で答えよ。 ア.中和 イ.還元 ウ、酸化 エ.分離 オ、電離 問2 文中下線部の反応を化学反応式で表せ。 問3 表中のBのとき、 発生する気体の質量は何gか。 問4 酸化銅と過不足なく反応する炭素の質量の比は何対何か。 最も簡単な整数比で記せ。 問5 80gの銅を得るために酸化銅は少なくとも何g必要か。 問6 炭素原子1個の質量は、 酸素原子1個の質量の何倍か。 小数第2位まで記せ。

未解決 回答数: 1
英語 中学生

21から26お願いしますm(_ _)m 5時までにお願いしますm(_ _)m

(18) Caroline doesn't have as ( ) CDs as her brother does, so (23) A: Hey, Rob. Can you and Yuki come for dinner tomorrow? I'm she often borrows his. 1 soon making curry. B: That sounds good. ( 23 ) A: Oh, I didn't know. I can make a mild one especially for her. B: That's very kind of you. I'll ask if she's free tomorrow evening. 2 much 3 long 4 many (19) A: When I asked Patrick to go to a movie with us tonight, he said no. But he didn't say ( B: Maybe he's not feeling well, or maybe he just has other plans. 1 which ) he doesn't want to come. 1 But I don't like making Indian food. 2 But I ate curry at a restaurant yesterday. 3 But Yuki doesn't really like spicy food. 4 But Yuki thinks curry is hard to make. 2 what 3 why 4 who (20) Randy just got a puppy for his birthday. He really likes it and (24) A: Hello, sir. Welcome to Ron's Pet Store. Can I help you with can't stop ( 1 to follow 3 to be followed )it around the house. something? B: Yes.( 24 ) I think his old one is too small. A: I see. How about this one? It's the largest we have in the store. B: That's perfect. He'll have plenty of space to swim around. 2 following 4 followed 次の六つの会話文を完成させるために, (21)から (28) に入るものとして最も適切 なものを1, 2, 3, 4の中から一つ選び, その番号を解答用紙の所定欄にマーク しなさい。 2 I bought a baby turtle recently. 1 I want to get a bigger turtle. 3 Iwas just looking at that turtle. 4 I needa tank for my turtle. A: Hi, Kaori. I haven't seen you in the office for a while. Have you been on vacation? B: Yes. I went to Rome with my husband for a week. It was fantastic. A: Did you take any pictures? I'd love to see them. B: Well, I did, ( 25 ) A: Oh, that's too bad. You must have been really upset. B: I was, but luckily my husband also took some. I'll show them to you later. A:I was thinking about going to Rome myself. Do you recommend it? B: Yes. ( 26 ) There are so many interesting things to see. (21) A: Guess what, Uncle Bob! I started learning karate today. Mom said you used to do karate. B: That's right. I took lessons in high school. A: Can I practice with you? We could do it in the backyard. B: ( 21 ) You might get hurt. Maybe after you've had some more lessons. 1 That's probably not a good idea. 2 You should practice with me now. 3 It would be better to quit your lessons. 4 Ill get changed into my karate uniform. (22) A: I'mgoing to Paris on a homestay this summer. B: Really, Karen? My sister lives there. ( 22 ) A: That would be great. I'd like to meet her. B: Well, write to her soon because she's very busy. (25) 1 but I forgot where I took most of them. 2 but I lost my camera on the last.day. 3 but I haven't gotten them from the store yet. 4 but I didn't bring the camera with me today. 1 Shall I go to France with you? 2 Shall I introduce you to a host family? 3 Shall I give you her e-mail address? 4 Shall I teach you some French? (26) 1 I'm sure you'd have a great time. 2 It's more fun with lots of people. 3 You should go to Milan instead. 4I like to practice my Italian. 38

回答募集中 回答数: 0
英語 中学生

結構遅ぎめで教えて頂きたいのですが、わかる方いませんか?

スエイ7ルト We can all do something to help others. Do yor Read and Think ② ジョシュは,図書室で借りたユニバーサルデザインの本を読んでいます。 Round 1 Get the Gi= ? Who is the father of universal design? 本文は何について説明し Aa useful produ New Words B the father of OAmerican (amérikan] Ronald Mace, an American Ca big center O professor Iprafesar] O childhood [jaildhad] professor, is the father of Round 2 Focus on のbetter [bétar] universal design. He was in a 本文を読んで、次の質 O society |sasáioti] ルドフット wheelchair from childhood, and 0 Who is Rona のdisabled |diséibld] 2 What did pe Oremove [rimú:v] often had a difficult time. So 5 3 What did R- O barrier(s) |beerior(z) ュ- he looked for ways to make a O found(ed) [fáund(id)] も Round 3 Think a Vサイ 3 Ocenter |séntar better society for disabled people.o 1口の中から適t Ospread [spréd ←O spread |spréd| アイ とス スター リム-ウ パリ In the 1970s, people started to remove barrien Ronald M ロァルト ディスエイブルト Ronald Mace [ránald méis ロナルド - メイス[人名] had a difficu for disabled people, but Ronald had a different ide リムーウ society for di ワェネート バリ3マ" He wanted to remove barriers for everyone. i の(1970)s thought that we often become disabled as we get o テキスュニイッよ He thoug It is important to know that there are different peop they get old ソサ。3 アイ ス センター in our society. In the 1980s, he foünded the Center |2 ユニバーサル ペアになり、 ため Universal Design, and spread his idea to the world. ワール Now many people think that it is a great 1de イト 右は日本の人 それぞれの人 Jvetnl ※総務省統計局 have any ideas? (階 1125 word コラム ~ロナルド·メイスと 「7つの原則」~ column (セ ユニパーサルデザインの生みの親, ロナ ルド·メイスは、その考え方をまとめた 「7つの原則」を提唱しました。また、 アメリ カのノースカロライナ州立大学にユニバー サルデザインセンターを設立し, ユニバー サルデザインの研究や普及に努めました。 これをきっかけに、ユニバーサルデザイン が世界中に広まったと言われています。 OEquitable Use だれにでも同じように利用できる。間違えにくく危険につながら OFlexibility in Use 使うときの自由度が高い。 OSimple and Intuitive Use 使い方が単純ですぐにわかる。 OPerceptible Information 必要な情報がすぐにわかる。 6Tolerance for Error OLow Physical Effort 楽な姿勢で、少ない力で使える。 OSize and Space for Approach and Use 使いやすいスペースと大きさがある。 Point of View 78 seventy-eight

未解決 回答数: 1
英語 中学生

help+A+動詞の原形などのプリントの解説を簡潔にでもいいので全てお願いします🙏🏻✨

1. 次の日本語に合うように, __ に適する語を書きましょう。 (1)花は私が日本語を学ぶのを手伝ってくれました。 Lentn Hana helped Japanese. (2)私たちは彼女に参加してほしかった。 her We wanted to join us. (3) 彼女はケイ トにドアを開けるように頼みました。 keita ta the door. She asked (4)私は彼にここに来るように言います。 Lia I will tell LOme here. 2. { }の語句を並べかえて書きましょう。(文頭は大文字に) (1)彼女の友人たちは, 禎子に早く元気になってほしかった。 { wanted / to / her friends / Sadgko /get well / sgon } . tur frende wanted ndaka to well Soon (2) 私の父は, 私によい仕事を見つけてほしいと思っています。 { gét / me /my foafher / a good job /wánts /1o } . My tathy wahtts _me to get A gad (3)彼女は私が机を部屋に運び入れるのを手伝ってくれました。 { helped/ carfy /she/the room/mé/the desks / info } . She heled mu he_ roa ihto Y0om_. aiy the dess (4) 私は, 彼が私に何をしてほしいのかわからない。 I don't know what { wanfs / he /mé/t6/do } . I don't know what JMants me 0 do (5) 私の妹は私が花に水をあげるのを手伝ってくれます。 { my sisfer / me /water / helps / the flowers } . My Aste Water out flowers

回答募集中 回答数: 0
英語 中学生

教えてください🙏

2 a 次の各組の文がほぼ同じ内容を表すように, Because there were so many cars in the parking area, we couldn't park our car. に適する語を書きなさい。 6cm (愛光) many cars in the parking area for us (1){ There were any space to park our car. He became Mary's husband when he was 26 years old. (錦城) of 26. He Mary at the (慶悪義塾) May I sit next to you? next to you? me Do you (実践学園) Don't play soccer here. play soccer here. You (清風南海) The picture which Paul drew is beautiful. Paul is beautiful. The picture (土佐) Tell me your date of birth. Tell me when (市川) My brother doesn't get up early in the morning. My brother isn't an (早稲田実業) Please tell me the way to the post office. I get to the post office? (土佐塾) Missing the bus means waiting for half an hour. miss the bus, you will wait for half an hour. に適する語を書きなさい。 4 次の各組の文がほぼ同じ内容を表すように, Ken is the naughtiest boy in his class. (灘) in his class is naughtier than Ken. This building is about 30 years old. (高知学芸) This building built about 30 years What is the English for this fish? (大阪教育大附 .平野) What do you this fish English? They are looking for the house whose door is red. (中央大杉並) They are looking for the house The workers are repairing the bridge. red door. (久留米大附設) The bridge by the workers. Why did you become so angry yesterday? (洛南) What so angry yesterday? Andy plays the guitar well. (青雲) Andy is playing the guitar. Shun is the fastest runner in 8) The student my class. (京都教育大附) the fastest in my class is Shun. Many people in my class don't know the new teacher. (中央大附) The new teacher to many people in my class.

未解決 回答数: 1
英語 中学生

大至急‼️‼️‼️‼️‼️‼️‼️‼️ この答えを教えてください!!!!

come here. Why don't you talk together?” I felt a little nervous. But I went to the table and residents were sitting around a big table in the *dining room. A *care worker said to me, “Ken, 6 次の英文は中学生の健(Ken)が, ボランティア活動(a volunteer activity)をしたときのことについて書 In the afternoon of the first day, many *residents were ①(enjoy) their *teatime. Eight During the summer vacation, I visited a *nursing home for four days to work as a volunteer. (静岡改) .a to the eight residents, "Good afternoon, I'm Ken. Nice to meet you." Then, I sat next to an J woman called Reiko-san. She smiled and said to me, “Hello. How old are you? Where do , live2" I answered, “Well, I'm fourteen. I live near this nursing home.” I was hanny when Reiko-san talked to me. Then, I wanted to ask some questions about her. but. I what to ask. So, I 3 and we kept quiet. I felt sorry for her. nursing home 老人ホーム care worker 介護福祉士 resident 入居者 teatime お茶の時間 dining room 食堂 (1) のの( )内の語を適する形にかえて書きなさい。 (3点) (2) 2, 3の に適する語(句)の組み合わせを,ア~エから1つ選びなさい。 (5点) ア 2 knew asked many questions イ knew didn't ask anything asked many questions 2 didn't know (3 didn't ask anything ウ 2 didn't know 3 エ (5点×2) (3) 本文の内容にあうように,次の質問に英語で答えなさい。 (a) How long did Ken work at the nursing home as a volunteer? (b) How did Ken feel before talking to the eight residents on the first day? 39

回答募集中 回答数: 0
英語 中学生

英作文の添削をお願いしたいです🙇‍♀️ I can save the plastic. For example, when I go to the supermarket, I take my bag. I don't have to get the plastic bag... 続きを読む

things, or try to do something else. Even students can do something asa small "step. Wha Japanese cra people who need them. Moe will 4 次の environmental problems(環境問題)についての英文を読んで, あなたの、 suffering from getting larger. problems. Some 本文のあとに[注)があります。 (10点) desert areas are water pollution. Forest areas are getting smaller, and It is important for each of you to think of these problems as your own can you do now ? ~を引き起こす desert……砂漠 【注」cause ~…… step………一歩 environmentally friendly………環境にやさしい 【条件)下線部の質問に対するあなたの考えを,その理由が伝わるように書きなさい。 [記入上の注意) 0 【記入例】にならって, 解答欄の下線」 *符号(,.?!など)は語数に含めません。 * 50語を超える場合は,解答欄の破線 で示された行におさまるように書きなさい。 ② 英文の数は問いません。 【下書き欄】は,必要に応じて使ってかまいません。 【記入例) hoe の上に1語ずつ書きなさい。 00 ods e 3) Hi! I'm Nancy. I'm from America. Where are you from? is April is Ken's birthday, too. 2, 2004. It 50語 1991 2nd

未解決 回答数: 1
英語 中学生

(2)はなぜcameじゃなくてsentなんですか?

limited resources 限りある資源 global warming 地球温暖化 wind power generator 風力発電機 kW キロワット(電気の出力の単位) damage~ ~に害を与える blade ブレード(発電機の翼) less littleの比較級 (1)(0 )にあてはまる最も適当な語を, 次のアからエまでの中から選んで、 そのかな符号 を書きなさい。 ア break easily O7 イ stop the wind ウ do not turn エ damage the earth (A)にあてはまる最も適当な語を, 次の 5語の中から選んで, 正しい形にかえて書き なさい。 i nd make toa help COmé send call m 下線2のついた文が, 本文の内容に合うように,【 内の語句を正しい順序に並べか えなさい。 utal euiod w1a bna guiom fdinunsd ad n m te ods ni nret ed nigod bs vhueo (4)/ 下線3のように考える理由として最も適当なものを, 次のアからエまでの中から選んで, そ のかな符号を書きなさい。 omoed bos vinobbua looo omosed vem o1 gi: odi ア We need a lot of 1 money to produce energy by wind power generations. Wind power generation is the best way to get energy of all. n Wind power generation does not damage the earth when there is no wind. エ/The energy we get should be clean to save the earth. (5 次のアから力までの文の中から, その内容が本文に書かれていることと一致するものを全て 選んで,そのかな符号を書きなさい。 会 エさて ア Wind power generation is a way which does not damage the earth. た In Japan, wind power generation has been popular since 1891. ウ/ Many of the wind power generators in Japan are near the sea in some prefectures because they need a windy and large place. 39169w sivesw st uot エ) If we want to have more wind power generators, alot of money will be needed. す Energy by wind power generation in Japan is the smallest of all the countries im the world. カ/ Because we do not want to damage the earth, we need energy to have a good life.

未解決 回答数: 1