答えと簡単な解説をお願いしたいです

問題3 0.15 mol/L シュウ酸水溶液を15mL 三角フラスコに加え、 硫酸酸性とした後、 濃度未知の過マンガン酸カリウム水溶液を滴下したら 25mL で当量点に達した。 過マンガン酸水溶液の濃度を求めよ。 ただし、 以下の反応式を用いて計算しても良 い。 2KMnO4 + 5H2C2O4 +3H2SO4 →2MnSO4 + 10 CO2 +8H2O + K2SO4 問題4 官能基に関する以下の問に答えよ。 (1) 以下の官能基名 (結合名)を答えよ。 (i) —NH2 (ii) 001 _C-0 (2) 以下の官能基の構造を示せ。 (i) カルボキシ基 (ii) エーテル結合 - 1- (応用) (iii) ニトリル基

TOEICの名詞問題です。答えを教えて下さい🙇‍♀️

CD1-24 えを確認 ek (9) ) する (A) 問題】 のと ren W ies er Warming Up 日本語の意味に合うように、正しい選択肢を選びましょう。 1. a few ( a. worker b. workers) : 2. th a lot of (a. enjoy b. enjoyment) 3. 1 an (a. active b. activity) 4. tu: a big (a. difference b. different) 5.5 an excellent ( a. decide b. decision) Now You Try! 4つの選択肢から最も適切な選択肢を選び、 文を完成させましょう。 ---- is very popular in this pet shop. ------- (A) produces (B) produced (C) producing (D) product 1. The - buys vegetables here every day. 3. A ------- (A) customer (B) customize (C) customizing (D) customized 2. A new opened in the Green Forest mall. (A) shopper (B) shop (C) shopping (D) shopped !VT UOY woll 4. People make many cashless now. (A) pay (B) paying (C) payments (D) payer in January. 5. The department store has a (A) sale (B) sell (C) sales (D) selling 6. There are many fashionable shops in the -------- (A) build (B) building (C) built (D) builder of toys. (C) selected (D) selection 7. The store has an excellent - (A) select (B) selecting READIN CCheckLink 8. Some about the new shopping center is on the Web site. (A) inform (B) informing (C) information (D) informed CheckLin

TOEICの代名詞の問題です。答えを教えて下さい🙇‍♀️

ローマ字 Unit 2 Dining Out Warming Up 正しい選択肢を選び、文を完成させましょう。 b. They) are from England. b. her) every Monday. 1. (a. He 2. I see (a. she 3. That's (a. my b. me) coat. 4. Bob is a friend of (a. ours b. us). 2. The chef cooked a special dinner for (A) we (B) our (C) us (D) ours Give me some water. 他+目 Testische for us 前+代名詞 Now You Try! 4つの選択肢から最も適切なものを選び、文を完成させましょう。 1. don't need a reservation for Pietro's Pizza. (A) You (B) Your (C) Yours (D) Yourself 3. Bob Flemming is selling - (A) he (B) his (C) him (D) himself 12 seafood restaurant. 4. Mrs. Rogers bakes fresh pies, and her customers love (A) they (B) them (C) their (D) theirs 5. The Sunny Café owners will open shop in Seattle. (A) they (B) them (C) their (D) themselves 6. Mary owns the restaurant with a friend of - (A) she (B) her (C) hers (D) herself 7. Customers enjoyed - at the Fireside Restaurant. (A) they (B) their (C) them (D) themselves 8. Barney's Kitchen has a great menu for couples and ------ (A) they (B) their (C) them (D) theirs children.

TOEICの形容詞の問題です、答えを教えてください🙇‍♀️

Now You Try! 4つの選択肢から最も適切な選択肢を選び、文を完成させましょう。 --- area of the city. 1. This is a (A) fashionably (B) fashion (C) fashionable (D) fashions 2. The Sheldon Public Library is a place. (A) wonder (B) wondered (C) wonderful (D) wonderfully 3. Our gas bill was - last month. (A) expense (B) expensive (C) expensively (D) expensiveness -------- 4. Buses are usually crowded on ---- days. (A) rain (B) rains (C) rained (D) rainy 5. Mrs. Taylor grows vegetables in her garden. (A) beautiful (B) beautifully (C) beautify (D) beauty 6. All of the benches in the park have - designs. (A) original (B) originally (C) origin (D) originating 7. The price of food is very -- (A) reason (B) reasonable 8. The city is making a (A) create (B) creation -------- -------- right now. (C) reasoning (D) reasons plan for the downtown area. (C) creatively (D) creative 018 TOU proled verit READING CCheckLink noo ould erit US amani eldemudnu ton ena vert?

TOEICの動詞の単数、複数問題です。 答えを教えてください🙇‍♀️なさい

Warming Up 正しい選択肢を選び、文を完成させましょう。 1. Everyone (a. make b. makes) mistakes. 2. Each student ( a. make b. makes) a short speech in English. 3. Some people (a. make b. makes) interesting videos on YouTube. 4. The birds (a. make b. makes) a lot of noise in the morning. Now You Try! 4つの選択肢から最も適切なものを選び、文を完成させましょう。 1. The chairs in the living room ------- new. (A) is (B) are (C) has been (D) was 2. The cost of the new window (A) are (B) be (C) is_(D) were 3. Most rooms in the hotel ------- Wi-Fi service. (A) has (B) have (C) is having (D) has had $250. ------- 4. The house for sale (A) has (B) have (C) having (D) are having three bedrooms and two bathrooms. IYIT DOY 5. Every room in Sun Apartments ------- an ocean view. (A) provide (B) provides (C) are providing (D) have provided 6. A new dormitory for the students------- near the campus. (A) open (B) have opened (C) are opening (D) has opened ------- 7. House prices in the city - this year. (A) goes up (B) has gone up (C) is going up (D) have gone up READING CheckLink CheckLink 8. This convenient neighborhood ------- popular with young couples. (A) become (B) are becoming (C) is becoming (D) have become

TOEICの時制の問題です。答えを教えてください🙇‍♀️

e? Warming Up 正しい選択肢を選び、文を完成させましょう。 1. He (a. watches b. is watching ) the news now. 2. 1 (a.am b. was) writing a report then. 3. They (a. have b. were) visited Japan many times. 4. They (a. are b. have been) friends since high school.

TOEICの副詞の問題です。答えを教えてください🙇‍♀️

ravel Now You Try! 4つの選択肢から最も適切なものを選び、文を完成させましょう。 1. The airplane arrived -- at the airport. (A) safely_(B) safe (C) safeness (D) safety ------- 2. The weather was fine for sightseeing. (A) perfect (B) perfectly (C) perfection (D) perfected 3. From the hotel, you can walk- to the beach. (A) ease (B) easiness (C) easily (D) easy novelamo tablius volu 4. Please check Mr. Clark's travel schedule ---- (A) careful (B) carefulness (C) care (D) carefully 5. The number of tourists goes up ------- in the summer. (A) greatness (B) great (C) greaten (D) greatly ----- ng the dones 6. Shuttle buses to the airport leave (A) regular (B) regulate (C) regularly (D) regulation ME SO 7. All trains are running very ------- this morning. (A) smooth (B) smoothen (C) smoothness (D) smoothly 8. The special tour to Hawaii sold out --- (A) quickly (B) quick (C) quickness (D) quickenlos ylla

英検準1級writingです。どなたか採点して頂けますか？ 分かりにくい所あれば遠慮なく言ってください。

Agree or Developed countries are obliged to assist less developed countries Write your English Composition in the space below. Developed countries should assist less developed countries. First, most of developping countries such aso Africa countries have no sufficient foods and building to live good condition. Also, these countries have little budget to promote their economies. It can be said that they can't make both and meet their own possetions. For settling this matter, d'the best way of making developing countries grow is to give opportunity of working. By doing to So, they would earn money and use this to solute this circumstance./2 10 15 Second 1 Supporting developing country would thake countifies all over the world peace. Communicating each other by discussing is one of trigger to get along with each countries. Keeping good relationship would enable us ¹e c not to agonize war. 15 Therefore, to supporti developping countries allow give 20 good wealth to not only these countries but also developed countries. 25 SEM 8 目

この問題の答えの出し方を教えて頂きたいです。 答えは10.8になるそうです

次の化合物において矢印で示した結合を回転させ たときの配座エネルギー変化について問う。 もっとも安定なねじれ型配座の配座エネルギーと して適切な値はどれか。 エクリプス相互作用エネルギー (単位:kJ・ moll);H-H:4.2、H-Me:6.2、H-Et:6.2、Me- Me:11.4、Me-Et:11.8、 Et-Et: 12.3。 ゴーシュ相互作用エネルギー (単位:kJ･ mol-1); Me-Me:5.2、Me-Et:5.4、Me-iPr: 5.6、Me-F: 1.2、 Me-CI : 3.2、 Me-Br : 2.8、 Me- 1:2.0、 Et-Et: 5.6、 Et-iPr : 5.9、 Et-F:1.8、 Et- CI:3.8、 Et-Br : 5.4、 Et-1:4.9、 iPr-iPr : 6.2、 iPr-F:3.2、iPr-Cl : 4.2、 iPr-Br : 5.0、 iPr-l: 2.9、F-F:0.5、 F-CI: 1.8、 F-Br : 2.2、F-1: 2.6、CI-CI:3.2、 CI-Br : 6.0、 CHI: 2.1、 Br-Br : 2.6、Br-l:5.9、H-1:2.0。 Me Et" H Me "H Et

化学の問題です。全体的に分からないので教えて頂きたいです。

64 ☆☆ で メタンCH4 を完全燃焼すると, 水と二酸化炭素が生成する。 ただし, 原子量 はH=1.0, C = 12, 0 = 16, 標準状態における二酸化炭素1molの体積を22.4L として、次の各問いに答えよ｡ C (1) メタンの完全燃焼を化学反応式で示せ。 (2) メタン 24gが完全燃焼したときに生成する水は何gか。 (3) (2) のとき, 発生する二酸化炭素は標準状態で何Lか。 (8)