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理科 中学生

この問題教えて頂きたいです!(3)お願いします!答えは17立方センチメートルでした…

(1) 手順①. ② で測定した質量には変化がなかった。 化学変化が起こっても、反応に関係する物 質の質量の和が変化しないことは,一般に何の法則と よばれるか。その名称を書きなさい。 (2) ①で答えた法則が成り立つ理由を,原子,種類と数, 組み合わせという3つの言葉を用いて,簡単に書きな さい。 図10 3.0 発生した気体の質量g 2.0 質 1.0 (3) 実験の結果をもとにして, 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表すグラフを,解答 用紙の図10にかきなさい。 (4) 実験で,炭酸水素ナトリウムを5.0g入れたとき 炭酸水素ナトリウムの一部が反応せずに 残っていた。 残っていた炭酸水素ナトリウムをすべて反応させるためには, 実験で用いたうす い塩酸を少なくともあと何cm加える必要があるか。 計算して答えなさい。 12:3= (3) 質量パーセント濃度36%の塩酸の密度は1.2g/cm²である。 この塩酸に水を加えて,質量パー セント濃度3%,密度1.0g/cm3の塩酸を240cm つくりたい。 このとき必要な質量パーセント濃 度 36%の塩酸の体積は何cmか。 小数第1位を四捨五入して, 整数で書きなさい。 0 0 1.0 2.0 3.0 4.0 5.0 炭酸水素ナトリウムの質量(g)

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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

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