分子式C7H14で表される有機化合物について考えられるすべての構造を構造式で示す問題で下の写真が答えなのですが2枚目の写真の構造式は含まれないんですか？

合 C7H16 CH3 CH3-CH2-CH2-CH2-CH2-CH2-CH3 (A) CH3-CH-CH2-CH2-CH2-CH3 (B) CH3-CH2-CH-CH2-CH2-CH3 CH3 (C) CH3 CH3 CH3 CH3-C-CH2-CH2-CH3 CH3-CH2-C-CH2-CH3 CH3 (D) CH3 (E) (Sq912 (2) CH3 HI MH (Eqb12 HO HO-O CH2 CH3 CH3 **H CH3 CH3 CH3-CH2-CH-CH2-CH3 (F) CH3-CH-CH-CH2-CH3 (G) CH3-CH-CH2-CH-CH3 (H) CH3 CH3 CH3-C-CH-CH3 HH -0-0 赤色 CH3 1 (I) の認

どのように考えて答えを出していけば良いので教えて頂きたいです。

問3 分子式 CH1oOには分子内に1つの不斉炭素原子をもち, 1組の立体異性体が存在するものが ある。 その1組の立体異性体を分子の形状がわかるように記せ。 千

合ってるか見てください🥲‎

演習 1. My dream is to ( @learn ) how to play the piano. learning ③learned □ 2. ( ) is possible to work online from anywhere in the world. ①That ②t ③What (酪農学園大) have learned (亜細亜大 ) Such 3. ペンギンが飛ぶのは不可能だ。 語順整序 (a penguin / fly/for/is/impossible/it/to). It is impossible for a penguin to fly. 4. 彼女はイギリスのテレビ番組を理解するのは難しいとわかった。 (difficult / she / it / understand / found / to) British TV shows. She found it difficult to understand 5. 何を言ったらいいのかわからなかった。 I didn't (say/to/know / what). Know what to say 6. It was typical ( ①on ②to ) him to get angry about it. ③3 with (名城大) ( 広島修道大 ) (東北芸術工科大) (東洋大) of 7. She wants to come to Japan ( ). ①worked having work to be work to work ( 九州産業大) 8. 彼はその試験に合格するために一生懸命に勉強した。 blue wish (大) (in/the/ worked/ examination / order / he / pass / hard / to). He worked hard in order to pass the examination. 9. We will have to be quiet ( ) wake the baby. (福岡大) ①as so not to ③so as not to 2 as to not so ①not so as to 10. She drove to the airport, ( ) to find that her flight had been cancelled. Donly ⑥in in or in order (3 so blan 11. His story about the painter was interesting to ( ). Obe listened 3 listen ④as (駒澤 (天理 be listened to listen to

答え教えてください

70 OS プロファイル 1 Microsoft Edge ps://olt.toshin.com/OLT/Student4_R/Student/OACT_Test.aspx? (1) This house looks [ much very (2) This is the best movie I have [ 2 never 2) ever ] more expensive than mine. 3 many ]seen. to be such D 4 been (3) This rope is [ 3 ] as that one. as half long 2 half as long 3 half long as as long half (4) We had [ 4 ] rain last year. few 2 much 3 any 4 many (5) When [ 5 ] in London? (6) "Have you [ 6 has he arrived 2 did he arrive 3 he has arrived he arrived ] been to Australia?" "Yes. I went to Sydney." (2 ever 3 never yet ] as you. books as many 2 I already (7) He has [ 7 as books many 3 as many books many books as (8) He isn't used [ 8 ] driving in the city. by (2) in (9) He speaks French as [ D good (10) He [ 10 Dwatches to 3 on 9 as you. (3) better best 3 has watched Uwas watching 2 well TV when I called him. 2 watched (11) A lot of homework [11] to him. gives 2 gave I was given 1 were given (12) Are you pleased [ 12 ] the result? in with (13) Butter is made [ 13 from jat 3. to ] milk. for into of hp

20番の関係詞の問題を、2文に戻して欲しいです。 お願いします。後半のstoodの主語がどこなのか分かりません。

(2 What do psychologists call cognition 3 That psychologists call cognition What psychologists call cognition 19. The hospital has two spare beds on the second floor, ( years. s. You are welcome to use either of them. ところも 1 both of which (2) one of which 3) all of which (4) neither of which (北 ) has been us (京都外国 20. Soon we came to a hill at the foot w rstood S V 1 in which 3) which 2 of which at stood a deserted factory. Q ④ whose stood a deserted we came to a hill, but the foot of which] stood 前 目 factory

三角形の合同の証明です。一枚目が問題、2枚目が私の証明、3枚目が答えです。 答えを見ると、自分で書いたものより簡略な気がします 証明では、何を省いていいのか、逆に何を書かなければいけないのか教えてください

214 右の図のように正三角形ABCがあり,辺 AC の中点をMとする。 正三角形ABC の外側に正三角 形DBAと正三角形 MCE をつくる。このとき、 △ADM=△CBE であることを証明しなさい。 B D A M E [佐賀] B C

なんでwhichがくるんですか？ 解説お願いします

(7) The Japanese restaurant ( ______) we went to yesterday is very famous. ていたらな ①where 2 which ③ when taken your ain lived three years ago.

答えは②ですが、なぜwhereは‪✕‬なのでしょうか？ また、判別の仕方などあればお教えて頂きたいです。

113 Brazil is the country ( ) I visited last year. 1 in which 3 to which 2 that 4 where

不斉炭素原子を持つ化合物を二つ選ばないといけないのですが合っているのか分かりません。CHを基準に全てが異なるものを選ぶのだと思っているのですが構造式で書かれていないため合っているのか不安です。教えて欲しいです。

問 28 次の化合物 a 〜f のうち、不斉炭素原子をもつ化合物が2つある。 その組み合わせとして正しいものは 644 どれか。1つ選べ。 7 HOOD HOOD a CH 3 CH 2 CH3 b CH3CH(OH)CH3 d CH,CH,CH,CH3 1 b と d HOOD cCHCH (OH) CH2COOH eCH2(OH)CH(OH)CH2OHfCH3CH (NH2) COOH 2 cf 3 dとe 4 ae 5 bとc 6 ef NO

不斉炭素原子を持つ化合物を二つ選ぶのですがどのように考えれば良いのか分かりません。構造式だと分かるのですがそれ以外だと分かりません。分かりやすく教えてください

-28 次の化合物 〜f のうち、不斉炭素原子をもつ化合物が2つある。 その組み合わせとして正しいものは どれか。1つ選べ。 1100D a CH 3 CH 2 CH 3 d CH 3 CH2 CH2CH3 HOOD 000 b CH3CH(OH)CH3 cCH3CH (OH) CH2COOH eCH2 (OH)CH (OH)CH 2 OHf CH3CH(NH2) COOH