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化学 高校生

問3の問題、3枚目の写真の回答で(4)式によるH+の減少は無視できるとありますが、なぜ[HCO3-]<<[CO3-]だとこの事が言えるのでしょうか。 教えて下さい🙇‍♀️

【演習問題 】 4-2 炭酸の電離平衡 次の文章を読み, 各問に答えよ。 必要があれば次の値を用いよ。 なお, 問 1, 問3は小数 第1位まで, 問2は有効数字2桁で答えよ. √2=1.41,√3=1.73,√5= 2.24 log10 2 0.30, logio 30.48, log107 = 0.85 二酸化炭素(CO2) は水に容易に溶解し, その一部が水と可逆的に反応して炭酸(H2CO3) と なる。この反応の平衡定数K を次のように定義する。 [H2CO3] [CO2] ただし, [CO2] は水に溶解している二酸化炭素分子のモル濃度 [mol/L] であり、接してい る二酸化炭素の圧力に比例する。 炭酸はその一部が電離して水素イオンと炭酸水素イオン 炭酸水素イオンはさらにその一部が電離して炭酸イオンとなる。 1 となる。 25℃において, 1.0 atm の二酸化炭素と平衡にある水1.0Lには 3.0×10molの二酸化 炭素分子が溶解している。 平衡定数K。 は 3.0×10-3, 下線部①の反応の平衡定数KI は 2.0 ×10mol/L, 下線部 ② の反応の平衡定数K2 は 5.0×10- -11 mol/Lであるものとし、水のイ オン積をKw=1.0×10-14 (mol/L)2 とする。 Ko= 生体は血液のpH を中性付近に保つために二酸化炭素を利用している。肺における二酸化 炭素の分圧は約 5.0×10 atm である。 X 問1 25℃において、 水を 1.0 atm の大気中に長時間放置したとき、 pHはいくらになるか。 ただし, 大気中には体積パーセントで 4.0×10% の二酸化炭素が含まれ, 二酸化炭素 以外の酸性物質は含まれないものとする。 問 225℃において, うすい水酸化ナトリウム水溶液を分圧 5.0×10 atm に保たれた二 酸化炭素と十分な時間接触させたところ pH7.0 になった。 このpH7.0 の溶液の炭酸 水素イオンおよび炭酸イオンのモル濃度をそれぞれ求めよ。 問3 健康な人の血液のpHは中性付近に保たれているが, 一時的に酸性化することがある。 問2のpH7.0 の溶液に塩酸を加えて [Cl-] が最終濃度 2.0×10 - mol/L になるように 加えた。塩酸を加えたことによる体積の増加は無視できるとする。その後再び, 25℃ において、分圧 5.0×10-2 atm に保たれた二酸化炭素と十分な時間接触させた。この溶 液のpHを求めよ。

解決済み 回答数: 1
英語 高校生

becomeは状態動詞の変化、getは動作動詞の変化を表しているのですか? acquaintedは知り合いという状態の動詞な気がするのですがそれはgetで使えないということですか? 又、becomeの場合は「〜になられる」という訳ですか?

「された」 という動き が際立つ asstan get becomeは変化」 を表す動詞 get を使う受動態は,おもに会話で使われ, 動作を際立たせること ができる。 状態を表すときにgetを使うことはできない。 Daniel got fired from his job.w (ダニエルは仕事を解雇された) 意図 get は予期しなかったようなことについて使うことが多い。 ▷ He got trapped in an elevator. (彼はエレベーターに閉じ込められた) We got caught in a rainstorm and got soaked. (私たちは暴風雨に巻き込まれて, びしょぬれになった) THERO BRE get married (結婚する), get dressed (服を着る ), get lost (道に迷う) のよ うな表現で〈get +過去分詞〉を使うことがある。 CHALLE We got lost in the deep forest. (私たちは深い森の中で道に迷ってしまった) 33(850g 10 参考 < get +過去分詞〉 と <become+過去分詞> 67 68 for become は「何かをされた」という動作を表す受動態で使うことはできな いが, become acquainted with (~と知り合いになる) のような表現がある。 egugsello aid yd of qu obalool ein a

解決済み 回答数: 1
英語 高校生

下線部(4)の和訳に関してです。 どうしてfindが使われていて、かつ、このような和訳になっているのかがわかりません。 また、underの対象が明記されていないのは省略でしょうか?

次の英文を読み, 下記の設問に答えなさい。 There are few things on this planet that give me greater joy than making my home the most comfortable, relaxing place possible. So, one winter a few years ago, when my fiancé had a bout of insomnia, I sprang into action, gathering all the things that held promise for a great sleep: black-out curtains, a white noise machine, and the cult favorite a weighted blanket. Weighted blankets, which cost anywhere from $100 and up, are a sleep aid usually made in a duvet style, with the many squares throughout filled with heavy beads. Lovers of the weighted blanket claim that under its weight they can relax faster, leading to a better and deeper sleep. These blankets weigh anywhere from 5 to 14 kg, and manufacturers generally recommend choosing one that's not more than 10 percent of your body weight, although this seems to be just a rule of thumb and not based on scientific study. [1] "Absolutely love it," my friend Greg Malone tells me over Facebook one day. "Rotating shifts makes [a] to sleep hard, but my girlfriend got me one as a gift, and I have found it's made a big difference in falling and staying asleep.' However, Deep Pressure Therapy (DPT)— the act of using firm but gentle pressure on the body to reduce anxiety has been practiced for centuries in various forms. In 1987, a limited study found that many college students who used DPT reported feeling less anxious after [b] full-body pressure for 15 minutes (in an adorably titled "Hug'm Machine"), although the researchers did not note any physical changes like lowered heart rate or blood pressure that would indicate the participants were more relaxed. That being said, a 2016 study found that patients who used a weighted blanket while having their wisdom teeth removed tended to have a slower heart rate than (2)patients who underwent the procedure without, which may indicate that they were more relaxed. However, many patients didn't report feeling more relaxed, and since they each only went through the procedure once, it's difficult to tell if the weighted blanket was the key to calming down. 2 Some say that simply the fact that a weighted blanket makes it more difficult to toss and turn at night makes for a better night's sleep, while others claim it has something to do with [c] the blood vessels on the surface of our skin that causes our heart rate to slow down. It also could be that the feeling reminds us of times when we felt the safest, like getting a hug from someone who cares for us or when our parents would swaddle us as newborns. 3 Similar to how many people adore the feeling of a soft blanket against their skin or can't relax without their favorite scented candle burning, others might connect with the feeling of gentle, full- body pressure. The trick is finding the sensory cue that makes you the most comfortable. "Weighted blankets have been around for a long time, especially for kids with autism or behavioral disturbances," Dr. Cristina Cusin, an assistant professor of psychiatry at Harvard Medical School, told Harvard Health. "It is one of the sensory tools commonly used in psychiatric units. Patients who are in distress may choose different types of sensory activities holding a cold object, [d] particular aromas, manipulating dough, building objects, doing arts and crafts - to try to calm down." My fiancé immediately disliked the 9-kg blanket I had picked up and said it made him feel like he was trapped. He's not alone in (3) this. "I liked it at first, but then as the night went on, I felt trapped," Heather Eickmann, a family friend, told me. "Also, I sleep on my side, and it really started to make my hip and knee joints ache." With the weighted blanket making my partner's sleep worse, I decided to give it a try myself. And (4) while I didn't find it too heavy to curl up under, the 9-kg blanket did turn making the bed into a small strength exercise. Overall, I tend to be a good sleeper, so swapping out blankets didn't make any outstanding differences to the quality of my snooze. However, later that summer, (5) ² を使ってみたら, まったく別の理由で夜中に目をさましているのに気づいた。 The blanket was HOT. [ Jones, Emma. "Can Weighted Blankets Help You Sleep Better?" Healthing 15. 11 May 2021. 出題の都合上、原文の一部に変更を加えている。】 設問 1. 下線部(1)を日本語に訳しなさい。 ただし, "one” の具体的内容を文脈に即して明らかにすること。 2. 下線部(2)の具体的内容を文脈に即して30字以内 (句読点も含む) の日本語で説明しなさい。 3. 下線部(3)の具体的内容を文脈に即して35字以内 (句読点も含む) の日本語で説明しなさい。 4. 下線部(4)を日本語に訳しなさい。 5. 下線部(5) を英語に訳しなさい。

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英語 高校生

あっているかどうか教えてください。

Grammar in Context 3 Complete the conversation about weekend plans. A: Do you have any plans for this weekend? B: Not really. anlar mataya aid Tomon exsvorist ol xodi ① A: Then, how about going to see a rugby match [ラグビーの試合を見に行くのはどうかな?] B: Sounds nice. I've never seen a rugby match. A: It's very exciting! Remember to bring warm clothes. [暖かい服装をしてくることを忘れないでね] B: OK. I'm [そこにあなたと行くのを楽しみにしているね] looking forward to going there with 4 Complete the sentences based on the Japanese ones. Time to Relax I I am always busy with my club activities, but I try ② enjoy reading detective novels a book, I am absorbed and cannot (4) to eat gad amous sid next Sunday? spure Time. It can be cold. to find time to relax 6.7 Once I start reading Stop ifoding Sometimes, I forget Reading gives me time to relax in my busy life. リラックスする時間 私はいつも部活動で忙しいですが、リラックスする時間を見つけるようにしています。 私は暇な時間に推 理小説 (mystery novels) を読むことを楽しんでいます。 いったん本を読みはじめると夢中になって読書 をやめることができません。 食事をする (have a meal) のを忘れてしまうことが時々あるほどです。 読響は 忙しい生活の中でリラックスする時間を与えてくれます。 wo become more health-conscious? 9

解決済み 回答数: 1
英語 高校生

この問題、自分で読んでも全く内容が分からなかったのですがわかる方いらっしゃいますか?? ターゲット1900の単語だけだと足りませんか? また、文法はどのくらいのレベルでしょうか。参考書で教えていただけると助かります。 よければ問題の解説もお願いしたいです。 時間がある方どう... 続きを読む

Ⅰ. 次の英文を読んで、下の間に答えよ。 Early in the pandemic, Julie Van Rosendaal started to notice something (1) about the butter she was using in her cooking and baking. It seemed harder than it used to be. Van Rosendaal has a food blog (2) DinnerWith.Julie.com. She talks about food on CBC radio and writes about it in magazines and newspapers. Before, when she left butter out of the fridge, it used to go soft; it was easy to spread on bread. (3) these days, she noticed that if she wanted soft butter, she had to put it in the microwave. If she used it right out of the cupboard, it would tear holes in her bread. Was her kitchen too chilly? Or had something about Canadian butter changed? On Feb. 5, Van Rosendaal posted her suspicions on social media. More than a thousand people on Facebook and hundreds on Twitter commented that they had been noticing the ( 4 ) thing. The answer seems to be that Canadian dairy cows, which produce the milk that is made into Canadian butter, (5) likely being fed more palm oil fats in their feed than before, XV As more people began doing more baking and bread making during the pandemic, the demand for butter went up. Using palm fats in livestock feed can increase the amount of milk cows produce, which helps farmers to meet the increased demand for ( 6 ). Some people don't want palm fats in their diet, because they say it isn't heart-healthy. (7) say it changes the taste and texture of

未解決 回答数: 1
英語 高校生

並び替え問題です。 文法など確認したいので、並び替えた全文を教えてください。 よろしくお願いします。 ちなみに書いてある記号はほとんど間違ってます💦💦

C 次の英文が自然な文になるように、( )内の語(句) を並べかえて、2番目と4番目にくるものを記号で 答えなさい。 (完答②×10) 1. For our homework, our teacher asked us to prepare ( 7 a five-minute / a subject / care about / I on/speech/we). +7 1093 2. There were many interesting plans for our school festival. So, as class president, I ( 7 everybody / difficult / for / found/it/on/ to agree) one idea at first. エオイウアキカ thanks) that medicine. 3. Rita has had a bad headache, but she is (7 better/feeling/to/ I much/ 4. When I visit a new town, nothing makes / I my way / than / me 03, 900 more / to lose / 205 70+ P * uneasy). 5. I like both rock music and classical music, so it is (to/1 prefer / difficult / music / which ). ウエキカアオイ 6. I didn't believe Kate at first, but in ( fact/quite/said/she/ was / \ what). 7. Ellie (asked / black / my coffee/1/if/ liked / me). I said I liked it with milk. T 8. When you visit Rome, you (excited/find/ many historic places/may/ * see / ħ to / * yourself). 10 301 € 7. I 9. You can look through your text book and choose (you want to/topic/ I whatever / fwrite about) for your essay. 10. I address to / would have コチウオキカイ true / アイオウユカ you ifI/ I told his / had known) it. say / 1/

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