学年

教科

質問の種類

化学 高校生

これどういう計算で分子式出てるんですか?

60 称である。 この分子のペンゼン環の水素原子2個を、塩素原子2個 に置換した構造は全部で何種類考えられるか。 (0S 関西大) urel and rhod Just southerm plants, to find the pink biossoms (a relative of the mountain eed b small that these sccds the rhododendron? All belong to the Heath Family color in the spring to the boj 100 Mile Wilderness of Maink B to develop that it docs e usual way mselves by °226.〈オゾン分解) な。 Jowers zain laurel pipe, which grox June into Scptember (and som even into October), you should Lo for and stop to study ther areas. Although tl research to sugges in a symbiotic rel host, the plant has recognized as be, gaining its nourishme matter through osmo no chlorophyl (he gives plants their grei nerb rises from the soil -CoH C-O O-C2 CH3 H。 O B HO-C-CHBr-CHBr-C-O-CBr-CH2Br D CHs-C-CHs E CHirg O H H、 C=C C-OH HO-C O 41.1-4.48:5.1:2.57 7:8:4 16 O ※の 5.1 axy-looking stems as te flower nods back 53,8:4: 分子式も CHO。 NAOHを用いたエステ (2) Aの加水分解で, Cのナトリウム塩が得られたので, Cはカルボン 酸。しかも,Cは容易に分子内脱水されるので, シス形の二価カル ボン酸。CをR(COOH)2 とおくと,分子量が116より Rの部分の 式量は 26。よって, Rの部分構造は-CH3CH- と考えられるので, Cはマレイン酸である。 Aは酸性を示すことから, -COOH一つが 加水分解では,生じた ン酸は塩になり,水に 12 ad, giving the whol 解説(1) C: H:O= ance of a ae pipe. ridgeberry is an plant that warrant ds and knees to ol fancl 130S(C-HO)nル170, n は整数より n=1 いる。 R-COO-R' + NaOH → R-COON. 残っており, もう一つの-COOHはエステル化されていて, エステ + (CaH。O) この塩にHCIを加 酸として遊離する。 R-COONA + HCI wers, blooming gether to produl ※の4 R-CC よって、結果的! R-COO-R + ト ル結合を一つもつ。 CAH.O。 C マレイン酸 加水分解 he smal CHO4 + H2O A D ed to prn Dはふつう, -OHをもつ化合物であるが, Naと反応しないという rail passes

未解決 回答数: 1
英語 高校生

学校を休んでいて答えが分からないので教えてください。

4 Use the passive of the verbs in brackets and complete the sentences. [一→ L.1 mainly from the U.S.A. [import] (1) Soybeans (2) How much for your first job? [pay] [過去時制で) you (3) A new theater near the station now. [is building] (4) Identity badges by all visitors. [should wear] (5) The file ; it may have a virus. [mustn't open] 1(6) our new gym? It's amazing. [have shown] you (7) It 19) gad yooy nst (8) The teacher that the company will open a new factory in Malaysia. [say] [「~だそうだ」の意味に) vit all the people in this town. [know] (9) Her boss her latest report. [satisfy] by her teammates because of her leadership. [look up to] (10) Sarah is 5 Put the words in the right order. [→L.8] 9qy To eon (1) My aim in life ( novelist, become, a, to, is ). lood s mid ovsy (2) I believe this is ( a, to, good, take, approach ). 00 (3) It ( is, to, very, predict, difficult ) the result of this match. (4) Billy ( important, it, make, thinks, to ) a success of his life. (5) The shop assistant kindly ( operate, how, showed, to, me ) the machine. (6) My mother ( to, to, withdraw, went, the post office ) some money. (7) I had no ( in, on, to, rely, friends ) Canada. I felt very lonely. (8) I'm(to, the soccer team, that, know, excited ) will come to Japan. 6 Correct the following sentences which contain one error each. [総合問題] (1) The festival is much bigger than it would be ten years ago. (2) My sister may talk with Mr. Williams at the. party last night. (3) Children under the age of six do not allow in this large pool. (4) I can't lend you my digital camera because it's repairing this week. (5) They have been discussing about the topic for more than two hours. (6) Helen was very pleasing with her exam results. (7) She pretended to not know anything about the matter. (8) This dictionary is easy to use it, so I recommend it to my juniors.

解決済み 回答数: 1