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理科 中学生

緊急です!このプリントの問題がいくら考えてもわからないのです。教えてくれる方いませんか?お願いします。 分かるところだけでもいいのでよろしくお願いします致します!

組番号(右寄せ)は両面に必ずi記入してください。 考(判 断 現 それぞれ次の問いに答えなさい。 組 番 思+判+表 4 電流を流したときの水溶液の変化 4 4点×6 /24点 図は、塩化銅水溶液に電流を 流したときの変化をモデルで表して 電源の一側へ A 電源の+側へ B ア塩 いる。 (1)イ (1) 次の文の口]にあてはまる言葉 やモデルを書きなさい。 図の○は[ア]イオンを、 |イ]イオンを表している。 ○と● のうち,+の電気を帯びているのは ウ」である。 (2) e"(電子) の記号を用いて、 式で表しなさい。 (3) 塩化銅の電離のようすを, 化学式で表しなさい。 (4) 塩化銅水溶液には電流が流れるが, 砂糖水には電流が流れない。砂糖水に 電流が流れない理由を, 「イオン」の語を用いて, 簡潔に書きなさい。 (5) Aの電極を電源の+側に, Bの電極を電源の一側につなぎ変えると, Aの 電極ではどのような変化が起こりますか。 ●のもとの原子は電子を17個もっている。 ウ は 塩化銅水溶液 Cucl2> Cf" +1C のもとの原子がイオンになるようすを化学 でんり がもつ電子は何個ですか。 うすい塩酸の電気分解 うすい塩酸を電気分解すると, 5 ゴム栓 思判+表 5 4点×4 /16点 図のように両極に気体が集まった。 (1) 陰極のゴム栓をとり, マッチの火 を近づけるとどうなりますか。 (2) 陰極に発生した気体は何ですか。 また,その気体が水溶液中で電離し て帯びていた電気は, +とーのどち らですか。 うすい塩酸、 陰極 陽極 気体 電源装置 (6V) 電気 3) 塩酸の溶質である塩化水素の電離のようすを, 化学式で表しなさい。 )陰極と陽極からは同じ体積の気体が発生したが, 陽極の上部に集まる気体 の体積は,陰極の上部に集まる気体の体積より少なかった。この理由を, 発 生した気体の名称を明確にして説明しなさい。 国体的に学習に取り組む態度 先生の指 従いまし さんの意見に対して, あなたの考えを述べてみま よう。 さん「汗をたくさんかいたときには, 水分だけが われているから, 水だけをたくさん飲めばいいと う。」 解答欄 ロ の の の A ロ ut: 123456 Hulul

解決済み 回答数: 1
英語 中学生

⑵と⑶が分かりません。

読解問題1 10 フェアトレード (Fairtrade)について述べた次の英文を読んで, あとの問いに答えなさい。 Have you ever heard the word “Fairtrade" ? I heard the word 1last week when I went to a coffee shop whose *owner is my father's friend. This is *what I learned about Fairtrade. Fairtrade is the "practice of paying *fairer *prices for *products that were made in 5 developing countries. It started in Europe in *the 1960s. At that time in many parts of the world, people who worked on farms had a big problem: they couldn't make enough money to live. There were other problems, too. Farm owners tried to make things like coffee quickly because they wanted to get more money. To *achieve this, they used more *chemicals than usual. Also, some of the workers on farms were children. The 10 children didn't get money from their owners, and many children couldn't go to school. Then Fairtrade started. Some people began to buy things at higher prices. People who joined Fairtrade got more money than people who didn't join it. The money *brought about some good changes. For example, farm owners stopped using a lot of chemicals and they began to give more money to the workers. Also, children *no longer 15 had to( ① ), and schools for children were built. Now, many people around the world are interested in Fairtrade. However, in Japan, there are few people who know about Fairtrade. It makes me really sad. If we don't choose Fairtrade coffee and buy other coffee, it will be cheaper, but if we choose Fairtrade coffee, 2) ]. I think each of us should learn about Fairtrade and start 20 doing something to help. 【注) owner:経営者 what S + V:Sが~すること practice:行為 fair:公正な price:価格 product:生産物 the 1960s:1960年代 achieve:達成する chemical:農薬 bring about ~:~をもたらす no longer ~:もはや~ない (1) フェアトレードが生まれた背景として適さないものを,次のア~ウから1つ選び,記号で答えな さい。 (3点) ア People wanted coffee that tasted better. イ A lot of chemicals were used. ウ Some children working on farms couldn't go to school. (2)(0 )に適するものを, 次のア~エから1つ選び, 記号で答えなさい。 (3点) イ change エ work ア study (3) [2に適する文を,次のア~ウから1つ選び, 記号で答えなさい。 ウ buy coffee (4点) ア we can get coffee that is more delicious than before イ farm workers can have more money than farm owners ウ it will help many workers and many children around the world 47

解決済み 回答数: 1
英語 中学生

この問題教えてください。

読解問題1 10 フェアトレード (Fairtrade)について述べた次の英文を読んで, あとの問いに答えなさい。 Have you ever heard the word “Fairtrade" ? I heard the word 1last week when I went to a coffee shop whose *owner is my father's friend. This is *what I learned about Fairtrade. Fairtrade is the "practice of paying *fairer *prices for *products that were made in 5 developing countries. It started in Europe in *the 1960s. At that time in many parts of the world, people who worked on farms had a big problem: they couldn't make enough money to live. There were other problems, too. Farm owners tried to make things like coffee quickly because they wanted to get more money. To *achieve this, they used more *chemicals than usual. Also, some of the workers on farms were children. The 10 children didn't get money from their owners, and many children couldn't go to school. Then Fairtrade started. Some people began to buy things at higher prices. People who joined Fairtrade got more money than people who didn't join it. The money *brought about some good changes. For example, farm owners stopped using a lot of chemicals and they began to give more money to the workers. Also, children *no longer 15 had to( ① ), and schools for children were built. Now, many people around the world are interested in Fairtrade. However, in Japan, there are few people who know about Fairtrade. It makes me really sad. If we don't choose Fairtrade coffee and buy other coffee, it will be cheaper, but if we choose Fairtrade coffee, 2) ]. I think each of us should learn about Fairtrade and start 20 doing something to help. 【注) owner:経営者 what S + V:Sが~すること practice:行為 fair:公正な price:価格 product:生産物 the 1960s:1960年代 achieve:達成する chemical:農薬 bring about ~:~をもたらす no longer ~:もはや~ない (1) フェアトレードが生まれた背景として適さないものを,次のア~ウから1つ選び,記号で答えな さい。 (3点) ア People wanted coffee that tasted better. イ A lot of chemicals were used. ウ Some children working on farms couldn't go to school. (2)(0 )に適するものを, 次のア~エから1つ選び, 記号で答えなさい。 (3点) イ change エ work ア study (3) [2に適する文を,次のア~ウから1つ選び, 記号で答えなさい。 ウ buy coffee (4点) ア we can get coffee that is more delicious than before イ farm workers can have more money than farm owners ウ it will help many workers and many children around the world 47

解決済み 回答数: 1
英語 中学生

この問題教えてください。

読解問題1 10 フェアトレード (Fairtrade)について述べた次の英文を読んで, あとの問いに答えなさい。 Have you ever heard the word “Fairtrade" ? I heard the word 1last week when I went to a coffee shop whose *owner is my father's friend. This is *what I learned about Fairtrade. Fairtrade is the "practice of paying *fairer *prices for *products that were made in 5 developing countries. It started in Europe in *the 1960s. At that time in many parts of the world, people who worked on farms had a big problem: they couldn't make enough money to live. There were other problems, too. Farm owners tried to make things like coffee quickly because they wanted to get more money. To *achieve this, they used more *chemicals than usual. Also, some of the workers on farms were children. The 10 children didn't get money from their owners, and many children couldn't go to school. Then Fairtrade started. Some people began to buy things at higher prices. People who joined Fairtrade got more money than people who didn't join it. The money *brought about some good changes. For example, farm owners stopped using a lot of chemicals and they began to give more money to the workers. Also, children *no longer 15 had to( ① ), and schools for children were built. Now, many people around the world are interested in Fairtrade. However, in Japan, there are few people who know about Fairtrade. It makes me really sad. If we don't choose Fairtrade coffee and buy other coffee, it will be cheaper, but if we choose Fairtrade coffee, 2) ]. I think each of us should learn about Fairtrade and start 20 doing something to help. 【注) owner:経営者 what S + V:Sが~すること practice:行為 fair:公正な price:価格 product:生産物 the 1960s:1960年代 achieve:達成する chemical:農薬 bring about ~:~をもたらす no longer ~:もはや~ない (1) フェアトレードが生まれた背景として適さないものを,次のア~ウから1つ選び,記号で答えな さい。 (3点) ア People wanted coffee that tasted better. イ A lot of chemicals were used. ウ Some children working on farms couldn't go to school. (2)(0 )に適するものを, 次のア~エから1つ選び, 記号で答えなさい。 (3点) イ change エ work ア study (3) [2に適する文を,次のア~ウから1つ選び, 記号で答えなさい。 ウ buy coffee (4点) ア we can get coffee that is more delicious than before イ farm workers can have more money than farm owners ウ it will help many workers and many children around the world 47

解決済み 回答数: 1