1,A story ( ) by a young girl won the competition. ①to writing ②to write ③written ④writing 自分は③かなと思っています。 2,( ) he caught the express t... 続きを読む

これの答えが3-propylhept-1-eneなのですが、どうしてそうなったのかが分かりません。 分かる方、教えて下さい 🙏

H3C、 17 CH3 3 "cha CH2

これの答えが3-propylhept-1-eneなのですが、3位のところからなぜ右になるのですか？ また、propylにどうやったらなるのか分かりません。 CH2とアルケンを組み合わせるのかなという曖昧な所までは考えてみたのですが、、 分かる方、教えて下さい🙏

H3C、 17 CH3 3 "cha CH2

誰か教えて欲しいです！！英語本当に苦手で、、、。大至急です！！お願いします🤲

問題 001 ~030 目標時間:3分20秒>1問 20 )に入れるのに最も適当な語(旬) を, 下の0~④から1つずつ選びなさい、 ) for 30 years. 2 次 口 001 The man missed his hometown, which he ( 4 does not see 1次の問いの ( 2 has not been seeing ロ0 1will have not seen 口 002 I'm afraid I left my pen in my office. Do you have something to write ( の by 3 had not seen の for (青山学院大 3 with 2 to 口 003 The time will come ( ) you will understand what I am saying. 3 when ④whether (亜細亜大 ① where 2 which 口 004 A: How was Helen's concert? B:The audience was very ( ) to see her singing and dancing. の funny (学習院大 モーー ) she should be upset about everything 2 exciting 大③ fun の excited 005 We don't particularly ( 2 think odd 1 think it odd that の think oddly that (図撃院大 3 think odd that コ006 The child found the purse ) near the bench. 3 to lie 0000 1S lying (駒毒大) aituOX 西00 のlie 2 lying 007 I definitely saw my brother (0=) hand in hand with your sister. O having walked 2 to have walked 3 to walk ④walk M%3D回0) (上智大) 08 ( ) did I know that the course of my life was about to change at that time. O Less 2 Little 3 Lots の Much (学習院大 9 I'm surprised that you went there. ( ) don't visit that part of town. O Most of tourists 2 Most the tourists 3 Most tourists の The most tourists ロ

これの答えが2,6,9-trimethylundec-3-yneなのですが、どうしてそうなったのかが分かりません。 分かる方、教えて下さい 🙏

CH3 HgC .CH3 HgC CH3

(2)の和訳をお願いします🙇‍♀️ thisを明確にして和訳する問題です。

(1) When a language is lost, centuries of human thinking about such things as animals and 10 plants may be lost with it. Eighty percent of existing species have not yet been discovered by science.However, (2)this does not mean that they are unknown to humans. because the people who live close to them know those species (3) intimately. They often have more detailed ways of classifying them than science does.

(1)は、和訳をするとどうなりますか？ itの意味を明確にと書いてありました。

22 Bolivia* has a far greater variety of languages than all the countries of Europe combined, but they are increasingly threatened by dominant languages such as Spanish. In Bolivia, Harrison met with people who have used certain plants as medicine since the time of the Inca Empire*. Besides a common local language, they also maintain a secret language to name thousands of plants used as medicines, some unknown to science. 3 (When a language is lost, centuries of human thinking about such things as animals and plants may be lost with it. Eighty percent of existing species have not yet been discovered

25＞(3k-5)(3m-5) これの正の整数のk､mって何がありますか。

下記のもんだいについて、酸,塩基として働いているものを示すのですが、(2)の考え方が分かりません.右辺に2つあればわかるのですが、ひとつの時の考え方を教えてください.

105. 酸·塩基の判別 次の反応で, 酸 塩基として 何か。 (1) HCI + KOH - KCI+ H2O 00 (NH)SO。 (2) 2NH3 + H2SO4- (3) HCI+ H:0 → H&0*+CI (4) NH3 + H2O → NH* + OH (5) CH:COO +H:0 → CH3COOH+ OH

解説お願いいたします。

1例題5 た 園 ●典型元素(1, 2, 0 31. 典型元素と遷移元素 12~18族)は,族ごとの化学的な性質の違いが顕著 であるが,遷移元素 (3~11族)はそれほど顕著では ない。その理由を, 第4周期の元素について, 元素 の化学的な性質と最外殻電子の数との関係に着目し 1|2|3|4567891011121314151617|18| 典型元素 遷移元素 1 |2 3 |4 5 6 て説明せよ。