上の式と下の式の2回目の加水分解でなぜ水を足す物と足さないものがあるんですか？？

3-1. ④NaHCO3- No + HOO HCOS TH₂O H₂ CO3 + OH) ③No HSO + NaHSO4 CO3 off Not + HSO4 HSO ↓ = 2- HSO45 H +504²-

右の解説で、青線のようになる理由を教えてください（ ; ; ）

2 (5) log2/72-log23 5

英作文の添削お願いしたいです🙇

*5-1. 先週、私は図書館から本を2冊借りたが、もうどちらも読んでしまった。 5-3. 社会のさまざまな要求に応じるべく、 過去10年の間に大学の入学試験の形は変わりました。

2.3の見分け方が分かりません。 特に3の見分け方が分かりません💦

2. We are / have been / will be here since the beginning of August, 3. “Have you exer seen that movie?” “Yes. When I was in Tokyo / 1 (had seen/ 161,2377 or are have seen saw it three times." f か → 1=44 やつの現、充分からんったそれより わわわつのある (各2点)

p48 Canでも丸になりますか？(1) 答えCould

(1) カギを探すのを手伝ってくれませんか。(1.7) dailia Can you help me (2)郵便局までの道を教えてくれませんか。 Could you tell find my key? me the way to the post office?

正しい英文を2つ選ばないといけないのですがどなたか教えて欲しいです。お願いします。

J. This is the only book I have found it which contains the latest information. 1. The number of students who want to study abroad are increasing these days. . He is the very person that I have been looking for since I lost my way. I. Most of the furniture in this room were made by my grandfather long ago. *. I have two brothers; one is a doctor and another is a lawyer in London. . Do you know the reason why he was absent from the meeting yesterday?

正しい英文を2つ選ばないといけないのですがどなたか教えて欲しいです。お願いします。

J. If I had had enough time then, I could have finished the task easily. 1. What a beautiful day is it today to go for a drive to the seaside! . A ten-minute walk brought us to the lake located at the foot of the mountain. I. It is very kind for you to show me the way to the station in the rain. *. She is one of the students who has won the first prize in the contest. . I am looking forward to see you again at the party next Saturday night.

なぜM殻にまだ入るのに、N殻に入るのでしょうか？

第2章 物質の構成粒子 15 H He Li Be BCNOF Ne Na Mg Al Si P S Cl Ar K Ca 222 2222222 リード A 電子殻 K殻 1 L殻 1 23 22 M殻 □は閉殻 N殻 価電子の数 10 1 2 345 6701 2 4 56 7 8 88 22 28 84 8 28 22 22 888 1 2 3 4 5 6 7 8 88 88 入るのに 1 2 ? 23 4 5 6 7 1 0 2 2 イオン 価:123456 176 H He Li Be B C N O F N e

133delayで遅 らせる の受け身？になっているから、was delayed にするのですか？ interestと同じようなかんじですか？

133 delay [diléi] Q The bus delayed because of an accident. はおかしい? ~を遅らせる, 延期する 遅れ,延期 A The bus was delayed by an accident. (The accident delayed the bus. も可) 971 delas ら から interest

かっこに入るものを教えてください🙇‍♀️

The movie was so ( A boring B long C exciting D quiet E sleepy ) that I could not take my eyes off the screen for a second.