Chemistry Senior High over 3 yearsago (2)MnCl2の酸化数が+2になる理由を教えてください。 Cl2が-2になるのでしょうか? 基本例題 20 酸化剤・還元剤 次の各反応において, 下線部の物質は, 酸化剤, 還元剤のどちらのはたらきをしているか (1) 2Na + 2H2O→2NaOH + H2 (2) MnO2 + 4HCI MnCl2 + Cl2 + 2H2O → 解説 酸化剤・還元剤を判断する場合は,物質中の原子の酸化数の変化 を調べ、自身が酸化されているか, 還元されているかから, 判断する。 2Na + 2H2O 2NaOH + H2 (1) 7712 0 +1 +1 0 Na の酸化数は 0 → +1に増加しており、自身は酸化されている。 よって, Na は還元剤としてはたらいている。 (2) MnO2 + 4HCI → MnCl2 + Cl2 + 2H2O 0 -1 +2 MnO2 中の Mn の酸化数は+4→+2に減少しており、自身は還元 されている。よって, MnO2 は酸化剤としてはたらいている。 解答 (1) 還元剤 (2) 酸化剤 #308 fatas AS アドバイス 酸化数の変化から、 れた物質と還元された。 を見つける。 酸化剤・・・自身が還元さ ことによって相手を する物質。 還元剤・・・自身が酸化 ことによって相手 する物質。 Solved Answers: 1
English Senior High over 3 yearsago not as 〜as の表現を使いたい時に、 この例文のようにnotとasの間に動詞が入ってるのはなんでですか? My mother doesn't feel as ill today as she did yesterday. (今日、母は昨日ほど具合は悪くありません) 4, Solved Answers: 1
English Senior High over 3 yearsago お願いします🤲 66. 各二文が同じ意味を表すよう、 空所に適当な語を入れよ。 [He is the best speaker of English in our class. No ( ) () in our class speaks English ( ) ( ) ) does. (東北大) ( The novel was the most interesting of all I had ever read. I had never read so ( ) ( ) ( ) ( ) my life. (弘前大) (1) (2) (3) Tokyo beats all the other cities in Japan in size. Tokyo is ( ) large ( ) any city in Japan. (慶大) Solved Answers: 1
Mathematics Senior High over 3 yearsago (3)について 途中まで計算したのですがこのあとどうすればいいのか分かりません。というか計算もあってるか分かりません… 方針を教えて頂きたいです🙏 4 自然数nの正の約数全体の集合を An とし, An のすべての要素の逆数の 2乗の和を sn とする。 例えば, 1 +3/2¹ 83 = 1 + As={1,3}, A4={1,2,4}, 84 = 1+ である。 p とは異なる素数とし, kとは自然数とする。 次の問いに答えよ。 ¹+1/2/2+1/2/2/2 42 (1) 88, 812 の値を求めよ。 (2) n=pについて, An の要素の個数を求めよ。 3 (3) n=pg' について, Sn < を示せ。 Solved Answers: 1
English Senior High over 3 yearsago (7)の答えはCです。 私はAだと思ったんですが不正解でした。 Aが不正解の理由を教えてください🙇🏻♀️ nt and only plastic A. had being (7) She was /( ) student as ever graduated from this school. B. as smart A. as a smart 1. asa URSU20-AS (8) She mentioned a song, ( C. as smart a ) we couldn't remember. D. smart as a FOTO (2 VI Solved Answers: 1
English Senior High over 3 yearsago visionQuestの11の1です。 答えと日本語訳を教えて欲しいです🙇🏻♂️ Function 提案する £ nois 1. "Why don't we hang out with him?" "OK. / Yes, let's. /I'd rather not." 2. "I suggest that we try another approach." "Why not? / I don't see why we shouldn't." 3. "I exercise every day." "It might be better to stop exercising when you feel sick.” Tips! 相手の意向を尊重しつつ提案する丁寧な表現 It might be better to talk face-to-face. Try it out! dooods a produ 内の語句を並べかえて、英文を完成させましょう。 ex. ( 1. (as/as / good / is/ that one / this watch). Which do you think is better? 2. (as/as/ the piano / my sister / well / plays / you) She is a good singer. 3. The Panama Canal (as / as / long /is/ the Suez Canal / not ). I agree. ( に入る最も適切な語を考えてみましょう。 1. "Nancy is a good singer." "Yes. Her sister also sings as ) ( 2. "My mother wakes me up every day. I don't get up (unten) ( have never ) her." "You should set an alarm clock." 3. "Our town is growing fast." "There are now three ( (fim plays ter) restaurants as the next town." Fall 4. "Which is (nys tennis ( ) ( 5. "Kevin arrived at three." "I arrived at 2:45, ( than him." 6. "This movie is 主張 slu af Ip) interesting ) ( th) of the two bags?" "The red one is bigger." )()( EM ) ( ) her." "Thanks. I'll watch it." 7. "The population of Japan is about ( ) ( of France." "Yes. France has half the population of Japan." Which c bhow edi ma voel om oni to ono ar sh 13 ペアになって、あなたの価値観について尋ね合いましょう。 追加の質問をして会話を続けてみよう。 1. Who in your class runs as fast as you? ex. Manami does. 2. Which do you think is more important, money or love? ex. I think love is more important because everyone needs to be loved. that one." ) as that 3. Which do you choose, cheaper T-shirts or more expensive ones? ex. I choose expensive ones because I like the style. al en arb Use it 本と映画のどちらが好きですか。 そのことについて3つの文を書いてみよう。 主張 I think books are more interesting than movies. 理由 Books stimulate our imagination. 論拠 We can have more vivid images in our minds when reading a book. Lesson Waiting for Answers Answers: 0
English Senior High over 3 yearsago He tried not to spend as much money on food as possible だと間違いなのでしょうか? 8 彼はできる限り食費にお金を使わないように努力した。GMO Solved Answers: 1
English Senior High over 3 yearsago 616では空所になぜ名詞がくると分かるんですか?? 前置詞の前の品詞は決まっていないから形容詞でも副詞でもよくないですか?? 101010: JOAFRO 5230 AL ) of the members agreed with the leader's decision. 1 Almost 2 Mostly 3 Most 4 Nearly 616 ( 617 CATAMA 空 O sada ) students remembered to bring their umbrellas with them. 1 Most of 2 Majority 3 Almost 4 Most (藤田保健衛 F TUMOR to yo 香臨産外科 臨上の (芝浦工具) SONS and.... Lo 間 Solved Answers: 2
English Senior High over 3 yearsago That shouldn’t really be the case when we have a machine as powerful as the brain at our disposal. の as ~ as について質問があります。 as ~ as は「〜と同じ... Read More I Ⅰ 次の英文(A)と(B)を読み, それぞれの下線部の意味を日本語で表しなさい。 (A) We are all carrying a supercomputer around in our heads. But despite that, we get tripped up over everyday decisions. We say we don't know what to think, or that we are overwhelmed by the information and choices surrounding us. That shouldn't really be the case when we have a machine as powerful as the brain at our disposal. If we want to improve how we make decisions, we need to make better use of the organ dedicated to doing just that. Solved Answers: 1
English Senior High over 3 yearsago このドレスはあのドレスより値段が高くない This dress not as expensive as that one. ではダメなんですか?not as-asは~ほどでは無い、ですよね? 正解は This dress is less expensive than th... Read More Solved Answers: 1