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理科 中学生

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〔7〕 鉄と硫黄の混合物を加熱したときの化学変化について調べるために, 次の実験 1~4を行っ いおう た。 この実験に関して, あとの (1)~(3)の問いに答えなさい。 実験 1 鉄の粉末を薬包紙にのせ、磁石を近づけたところ、図1のように、鉄の粉末は磁石に 引き寄せられた。 実験 2 図2のように, 鉄の粉末と硫黄の粉末の混合物を試験管Aに入れ, うすい塩酸を NUOT 加えたところ, 気体が発生した。 実験3図3のように、鉄の粉末と硫黄の粉末の混合物を試験管Bに入れ,ガスバーナーで (2) 加熱した。混合物が赤色に変化し始めたところで加熱をやめると,その後も変化が (4) 続き,変化が終わると、 黒色の物質が生じた。 実験 4 実験3で生じた物質をしばらく冷ました後、試験管Bから出して薬包紙にのせ 磁石を近づけたところ, この物質は磁石に引き寄せられなかった。 また,この物質を 再び試験管Bに入れ、うすい塩酸を加えたところ, 気体が発生した。 図1 図3 N極 図2 2016 (平成28) 年度 S極 磁石 ・鉄の粉末 |薬包紙 2.0 硫1.5 1.0 質 量 (g) 0.5 ■ 0 6600 (1) 実験2について, この実験で発生した気体と同じ気体を発生させる他の方法として,最も適当 なものを,次のア~エから一つ選び, その符号を書きなさい。 BERATUNG & SEXOrgie) met DOSSO ACT 図] ア ベーキングパウダーを加熱する。 イマグネシウムにうすい塩酸を加える。 ウ塩化アンモニウムと水酸化カルシウムの混合物を加熱する。 中心 中国 8 エ塩化銅水溶液を電気分解する。 JALA 55A SEKS (2)実験3について,次の ①,②の問いに答えなさい。 ① このときに起こった化学 図 4 |変化を表す化学反応式を書 きなさい。 ② 図4は,鉄と硫黄がすべ て残らずに反応して, 実験 3で生じた物質ができると きの, 鉄と硫黄の質量の関 係を表したグラフである。 鉄の粉末 3.5gと硫黄の粉 末2.7g の混合物を加熱 し、いずれか一方の物質が すべて残らずに反応したと き, 生じる物質の質量は 何gか, 求めなさい。 一試験管A うすい塩酸 鉄の粉末と硫黄 の粉末の混合物 20.5 ―試験管B 1.0 1.5 2.0 鉄の粉末の質量(g) 鉄の粉末と硫黄 の粉末の混合物 ガスバーナー 2.5 3.0

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理科 中学生

英語の長文読解についてです、、。 写真一枚目の長文について写真二枚目の問題が分かりません! 答えは書いてある通りなんですが、なぜthat、を入れるのかを教えてください! 私は「IT tells us we can all be friends.」だと思ったんですけど…、、

を示します 。 ) 次の英文を読み、 あとの設問に答えなさい Habitat is a *nonprofit organization that helps people who need houses. In the writing T↑ld, below, Mariko Asano talks about her experience as a Habitat volunteer. She has traveled to *the Philippines three times to help build houses for people who need them. I am 24 years old, and I grew up in Nishinomiya, Japan. A few years ago, I went to *Negros Island in the Philippines as a Habitat volunteer. This was my first trip to the Philippines a a volunteer. For me, the idea of building somebody's house abroad was very exciting. The vhuis P to chare to bru as a student next year I returned to Negros Island as a Habitat volunteer. This time I went as a leader with 28 classmates from my university. or og od bebloeb you w Both the staff and the families on Negros Island became friends of the work team which I led. Meeting these people was wonderful for each of us. Their lifestyle taught us the meaning of life. The people also taught us the more important things in life, such as spending time with your family, friends, and neighbors; helping each other; and giving thanks for the people around you. These things are sometimes forgotten in a convenient and rich country like Japan. We thought we came to the Philippines to help the *Filipino people, but they actually helped us. They kindly gave us their food, space, and hearts. no Deten sill oly OST and When I took my third trip to the Philippines as a Habitat volunteer, I stayed in a house with young people from around the world. In my group, there were Filipinos, Americans, Indians, Koreans, and Japanese. We worked hard together to complete a house for a family. Even now we are good friends and we are connected across the world. Some of them are working as Habitat volunteers in different countries. Habitat brings people together and teaches us that people all over the world care about each other. Habitat sends the very important message that we can all be friends. Being a part of Habitat has changed my life. I have learned that I can make a difference in the world. [ SELECT READINGS] the Philippines: フィリピン (7) nonprofit organization: * (NPO) Negros Island: ネグロス島(フィリピンにある島) 1 英文の内容に関して、 次の文を完成させるのに Filipino : フィリピンのフィリピン人

解決済み 回答数: 1
英語 中学生

英語の長文読解についてです、、。 写真一枚目の長文について写真二枚目の問題が分かりません! 答えは書いてある通りなんですが、なぜthat、を入れるのかを教えてください! 私は「IT tells us we can all be friends.」だと思ったんですけど…、、

示します。) ⑥⑥6 次の英文を読み、 あとの設問に答えな Habitat is a *nonprofit organization that helps people who need houses. In the writing below, Mariko Asano talks about her experience as a Habitat volunteer. She has traveled to *the Philippines three times to help build houses for people who need them. moralib grid Janog jelenl jou in vhuse J'aob siqooq I am 24 years old, and I grew up in Nishinomiya, Japan. A few years ago, I went to *Negros Island in the Philippines as a Habitat volunteer. This was-my first trip to the Philippines a a volunteer. For me, the idea of building somebody's house abroad was very exciting. The next year I returned to Negros Island as a Habitat volunteer. This time I went as a student alth to change wasbare vok leader with 28 classmates from my university. tog od bebloob you tw Both the staff and the families on Negros Island became friends of the work team which I led. Meeting these people was wonderful for each of us. Their lifestyle taught us the meaning of life. The people also taught us the more important things in life, such as spending time Q bel 200 noen with your family, friends, and neighbors; helping each other; and giving thanks for the people around you. These things are sometimes forgotten in a convenient and rich country like Japan. We thought we came to the Philippines to help the *Filipino people, but they actually helped us. They kindly gave us their food, space, and hearts. millend ofte oIDST I OW sanoo adi as ody busil e sul nos When I took my third trip to the Philippines as a Habitat volunteer, I stayed in a house with young people from around the world. In my group, there were Filipinos, Americans, Indians, Koreans, and Japanese. We worked hard together to complete a house for a family. Even now we are good friends and we are connected across the world. Some of them are working as Habitat volunteers in different countries. Habitat brings people together and teaches us that people all over the world care about each other. Habitat sends the very important message that we can all be friends. Being a part of Habitat has changed my life. I have learned that I can make a difference in the world. [SELECT READINGS] (E) nonprofit organization: * (NPO) Negros Island : ネグロス島(フィリピンにある島) 1 英文の内容に関して、 次の文を完成させるのに最適 the Philippines:フィリピン Filipino : フィリピンのフィリピン人

解決済み 回答数: 1