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化学 高校生

緑線の問題なんですけど意味がわかりません‼️答えは5.0g/cm3です!誰か説明お願いします🙇‍♀️

テップ 1 本誌 学習日 月 日 組 番名前 ステップ B 確かめよう 思考・判断・表現 無印知識・技能 /8問 1 密度による物質の区別 P.78 ステップC 教科書p.149~152 ある物体A (固体) の質量を電子てんびん (図 1)で測図1 定したところ,52.5gだった。次に,水を30.0cm3 入れたメスシリンダーを準備し,物体Aを糸でつる して水の中に沈めると,図2のようになった。 ① (1) A (2) 単位 52.5980円 ■ (3) 単位 Z(1) 電子てんびんを使うときには,まず表示の数字図2 をどうするか。 12cmの物質 -40 糸(4) 単位 (2)図2の液面は,何cm3と読むか -30 (5) (3)物体Aの体積は何cm3か。 most d (4) 物体Aの密度を求めなさい。 (5) 右の表は,いろいろな物質の密度を示し ている。物体Aは,何という物質からでき ていると考えられるか。 物質(固体)密度[g/cm3] 銀 10.50 ヒント (3) 物体Aの体積 物体Aを沈めた水の体積 もとの水の体積 銅 8.96 ② |アルミニウム| 2.70 (1) 単位 ●(2) 単位 ②物質の種類と密度 y 教科書p.149, 153 (3) 表は,いろいろな物質の密度を示している。 固体 液体 (1) 固体の鉄 50cm3の質量を求めなさい。 (2)固体のアルミニウム81gの体積を求め なさい。 (3) 記述固体の銅は、水に入れると沈むが 水銀に入れると浮く。 その理由を、 「銅の 密度」という語を用いて説明しなさい。 基本操作 上皿てんびんの使い方 •① 上皿てんびんを使うと、物質の [a ② 上皿てんびんは、安定した [b ③ 写真のを [ →教科書 p.149 ]をはかることができる。 指針 m ]な台に置いて使う。 ]という。使うときには,まずAを回し て,次のようなつり合った状態にする。 指針がア. 左右に等しくイ右側に大きく振れる状態 物質 密度〔g/cm3] |アルミニウム 2.70 鉄 7.87 銅 8.96 (1) 水 1.00 記述ナビ 水銀 13.55 (3) 水に沈む理由, 水銀に浮く 理由の2つを書く。 →教科書 p.151 思

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英語 高校生

この文章を35~40単語でわかりやすく要約して欲しいです

The Story of Holly Butcher 目標時間2分11秒 act Part 1 haky A 本文をスラッシュ(/)の区切りに注意して読んでみよう。また、必要な書き込みをしよう A Note Before I Die ●込もう。 abioW weИ [1] I've had a lot of time / to think about life / these past few months, and I want to share/ some of my thoughts. It's a strange thing / to realize and accept / that you're mortal/ at the age けて単! 2b10W w9M of 26. But the clock keeps ticking / and I know / death is fast approaching. I always imagined myself growing old / with wrinkled skin and grey hair / after raising a beautiful and loving family. Even now / I still want that so bad / that it hurts. [2] Life is fragile, precious, and unpredictable, and each day is a gift, / not a given right. I'm 27 years old now. I love my life and I am happy. I don't want to leave the world, / but that decision is out of my hands. [3] I'm not writing “A Note Before I Die" / so that people will fear death. In fact, it's good/ that we are not constantly thinking / about its inevitability. For the most part, / death is often considered a "taboo" topic, / especially among young people. I want people to remember/ that we all suffer the same fate / in the end. So, stop worrying / about the little issues/ that cause meaningless stress / in everyday life. Whenever you start complaining / about unimportant things,/think about those people / who are actually facing serious problems / and be grateful/ that your problems are minor ones. Take a deep breath of the fresh air, / and be thankful/that you are able to breathe it in. 1. H OP 訳 2. 22 訳 3. 33 activity B 各段落のトピック

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英語 高校生

教えてほしいです

3 次の英文を読み, 空所に入れるのに最も適切なものを, それぞれ下の①~④のうちから一つずつ選びなさい。 Cigarette smoking has negative effects not only on the body of the person who smokes but also on the body of someone who regularly breathes in second-hand smoke. Some of the most obvious effects are high blood pressure, sleep disorders, heart failure, and lung cancer. Despite such harmful consequences, ( 10 ). It has been reported that smoking creates feelings of pleasure, reduces tension, and promotes close relationships. Many smokers admit that smoking is a bad habit. ( 11 ), they tend to think that the number of cigarettes that they smoke is below the danger level and thus are not worried about the risk. Some even feel that they do not breathe in the smoke and that a cure for cancer will be found before they become ill with the disease. We have to admit that smoking is a habit which is difficult to break ( 12 ) the nicotine found in tobacco goes into the blood and stimulates the brain, making smokers feel pleasant for several minutes. What is more, the smoker usually feels anxious and wants to have another cigarette. ( 13 ) the policies that now ban smoking in most public areas, the stress that people often experience at work and at home can force them to smoke. ( 10 ) ①some people decide to stop smoking millions of people continue to smoke ( 11 ) the price of cigarettes has risen ①smoking is more harmful than drinking Therefore 2 While ③ Of course 4 However (12) 1 because 2 as a result 3 but SO (13) ①Despite 2 Although (3) But 4 Yet

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