化学の反応式についての質問です。 黄色いマーカーで印をした部分、なぜ4.0/5.0となるのか分からないです。 よろしくお願いします。

0.0400mol × 100g/mol = 4.00g よって,この石灰石の純度は, + る CaCO3(式量100)も0.0400molであり,その質量は+: longlom 896 mL (3)発生したCO2は- 反応前 =0.0400 mol である。 よって, 石灰石中に含まれ 22400mL/mol 0 OHS + 80.SS 02.0 4.00 g x100% =80% Tomg AA 5.0g Tom £:00 && lom 1H,fon 1,00 1020

教えて欲しいです🙇‍♀️🙇‍♀️🙇‍♀️

☆ 次の文に合う英文になるように、空所をうめなさい。 (3点引) ① 私にそこへ行かせてください。 Let go there. ルーシーはケンにその本を読ませました。 Lucy Ken the book. 2 新しい文型 I helped my father (to) wash the dishes. 私は父が皿を洗うのを手伝いました。 <主語+help+目的語+原形不定詞 (to 不定詞)>で,「…が~するの を手伝う」という意味になります。 ※ help +目的語のあとは,原形不定詞または to不定詞のどちらでも使えます。 We will help you (to) clean the room. 私たちはあなたが部屋を掃除するのを手伝いましょう。 Takeo helped his sister (to) do her homework. タケオは姉[妹] が宿題をするのを手伝いました。 ☆ 次の文に合う英文になるように、空所をうめなさい。(3点引) ① 彼女は弟がそれをするのを手伝いました。 She her brother ② 父と私は母が料理するのを手伝います。 My father and I it. my mother

1枚目の写真の問題を計算したのですが、このまま0を出してもいいですか？０になる理由も教えて下さいm(_ _)m

練習 次の極限を求めよ。 5 (1) lim(√n+2-√n) n→∞

至急⚠️ 奇数の問題の答え合わせをしたいです。 なぜその答えになるのかも教えていただきたいです。 よろしくお願いします。

EXERCISE A >> 空所に入れるのに最も適切なものを選びなさい。 of gabilat S 01 It is difficult ( ) the English exam. ①in passing ge2 to passed 3 to pass 4 pass 〈福岡大〉 ni miwa S to talk 2 talking 02 The young woman had no one ( ) with about her future. 3 of talking to have talked (*) 03 Susan opened the box, ( 2 next 1 but ) to find it empty. 3 only 4 soon lig 〈立教大〉 04 His grandfather lived ( ) ninety-two and was the head of the company for many years. 1 being 3 for being 105 2 to be 4 till he would be BE <東海大 > er It was careless (b) him to forget to lock the door. top bolid W 1 for 2 of 3 with on 08 4 to a don <*> 06 My friends were warned ( ) the mountain in such bad weather. 3 of no climbing to climb 〈センター試験〉 Din climbing 2 not to climb 107 Half of the houses on the island are said ( ①having 2 to be being 3 to have ) damaged by the typhoon. 4 to have been() of warts 80 The boy turned on his father's computer, though he had been told ( 〈 青山学院大 〉 ). 08 1 not do it 2 not to 3 to do not 4 to not 09 The textbook is ( 9D ①easy enough ) for a college student to read. 2 so easy as 3 so easy that 4 such easy (***) The 10 Mr. Smith doesn't know ( 1 way to use 3 the way of use ) a computer and is afraid to touch one. 2 how he should to use 4 how to use <東京経済大 〉 11 I can't decide ( I to if ) go to Australia or New Zealand. 2 whether ③3 whether to 4 to whether <福岡大〉 12 To begin ( 1 from ), let's have a look at Chapter 5. 2 by 3 for 4 with 〈九州産業大〉 □13 To ( ) the truth, I still haven't finished my homework. 1 say 2 tell 3 speak 4 mention 〈大阪学院大 〉 05 95 不定詞

(4)について質問です。 ¹H²Hと²H¹Hは同じものなのに、右の解答のピンク線において、2倍すると書いてあるのは何故ですか？🙏

(3) 自然界に存在する水素分子には,質量の異なるものが何種類存在! るか。 (4) 質量の異なる水素分子の中で, 最も多く存在する分子と, 2番目に多く存在する分 子の数の比を有効数字2桁で求めよ。 思考 (14 香川大 改)

どなたか教えてくださいm(_ _)m

Exercise 内に当てはまる語 (句) を ①~④のうちから1つ選びなさい。 1. Cathy and I ( 1 had ) studying at the library at that time. 2 have been (3) was 4 were 2. The meeting ( ) at two tomorrow. ①has started 2 started 3 starts 4 will have started 3. We will get on the bus if he ( 1 came 2 comes ) here on time. 3 is coming 4 will come 4. Nao ( ) the piano since she came home. ①had played 2 has been playing is playing 5. Our team won the soccer game because we ( 4 plays ) very hard. ①are practicing 2 had practiced 3 has practiced 5. Paul ( ) in Japan for five years next year. ①has lived 7. "Some more coffee?" "No, thank ① am being 2 had had Kaito told me that Mr. Jones ( 2 is living you. I ( 3 was living ) enough." 3 have had ④ practice Revad 11 4 will have lived 4 was ) Japan for Canada. ①had left 2 has left 3 was being left 4 will have left

準動詞の範囲です、 合ってるか見て欲しいです！

6. Why don't you get your ticket ( ) to the six o'clock flight? Dchange ②changed ③changes ☐ 7. The dentist said I should have this tooth ( ). ①had removed ②remove ☐ 8. A How did you come here? ②removed B: On foot, because I had my bicycle ( ). (東洋大) changing (国士舘大) 4 to remove (法政大) ①steal 2 stole ③stolen ④to steal 9. I saw his expensive new car ( ①to stop ③be stopping ) in front of my house. ②have stopped ( 椙山女学園大) stop ☐ 10. I saw Tom ( ) into the new restaurant across the street. (学習院大 ) ①goes 9gon gone ③going ④went 11. Have you heard the song ( ) in English? (佛教大) Osing 2 singing ③sung ④to sing 31

わかる方教えてくださいください

14 2012 This theory ( ①supports 2013 19 ) by a lot of scientists. supported 3 is supported has supported The newborn baby ( ) after its grandfather. ①named John ③has named John PLOT as 2 was named John named John by 17901 )ed nodw rebnowl (some tourists/I/to/ was / by / spoken) on my way home. 15 A general election ( ) next month. Dis holding will hold 3 will be held will be holding 6 You can't drive here because the road ( ) now. Dis repairing 2 has been repairing 3 is being repaired has been repaired The director ( ) the Oscar several times. ①has awarded 2 has been awarding 3 has been awarded Dis being awarded (be/is/to/he/the model / said) for the main character in the novel. Ms. Smith is known ( ) the study of Japanese culture. Dabout aland's ②for 3 of Fabiby ④with ☐

中3理科 仕事の原理と仕事・仕事率です！！ なぜ36Nになるのかがわかりません💧‬ どなたか教えてください🙏🏻

(5) ひもを引いた力は何Nか。 1分かかった。 象によって 10m 6kg [ 仕事 [気ストーブ 仕事率 [ 気 6m 6m 変換さ ] 検索

初歩的な質問すみません。 写真の文です。has been keeping という表現にすると、休まずずっとその行為をしているように思い、私はhas kept の方がいいと考えているのですが、has been keeping とする理由はありますか？また、has keptでも... Read More

何日もずっと雨が降 (2) Ellie has been keeping a diary since she was ten. エリーは10歳の時から日記をつけている。