Grade

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Chemistry Senior High

この問題でなぜ過酸化水素水を7.0ml加えたとき、ニクロム酸カリウムが過不足なく反応したと言えるですか?なぜ7.0なのかということです。お願いします

と、酸 問5 硫酸酸性の二クロム酸カリウム水溶液と過酸化水素水を反応させると, 素が発生する。 この変化における二クロム酸イオンと過酸化水素のはたらき は、次の式 (1), (2) によって表される。 Cr2Oプー + 14H+ + 6e- → 2Cr3+ + 7H2O H2O2 O2 +2H+ + 2e 一定の温度・圧力において、 ある濃度の硫酸酸性の二クロム酸カリウム水 溶液10mL と, 0.10mol/Lの過酸化水素水を反応させた。このとき反応さ せた過酸化水素水の体積と,式(1), (2) の反応により発生した酸素の体積の関 係を表1に示す。 ard Ⓒ 01.0① (表1 加えた過酸化水素水の体積と発生した酸素の体積 加えた過酸化水素水の体積[mL] 2.0 4.0 6.0 8.0 10.0 12.0 発生した酸素の体積[mL] GOOD H 4.9 9.9 14.7 17.3 17.3 17.3 (HO .....(1) ・・・・・・(2) この二クロム酸カリウム水溶液のモル濃度は何mol/L か。 最も適当な数 値を、次の①~⑤のうちから一つ選べ。 ただし, 式 (1), (2) 以外の反応は起こ らないものとする。 必要があれば次ページの方眼紙を使うこと。 5 |mol/L ① 2.3 × 10-2 ④ 5.2 × 10-2 ② 2.8 × 10-2 ⑤ 6.9 × 10-2 ③ 4.6 × 10-2

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English Senior High

3番の問題お願いします。thatは同格ですか? 答えを忘れてしまいわかりません

6 次の文章を読み、 あとに続く問いに答えなさい。 Dear Ms. Tanaka: Thank you for your message. I understand your anxiety. Some years ago, we decided to keep manga in our library because they had become an important part of Japanese culture. We asked the librarian, ( a ) is an expert on choosing books, to select them. Manga are chosen based (b) the policy that they have something to do ( c ) school subjects such as history, science, or Japanese literature. Some manga that provide valuable life lessons are also selected. Therefore, I'm convinced that the manga in our library are valuable. You pointed out that your daughter reads the same titles repeatedly. According (d) the librarian, good manga and books often give a student different perspectives upon each reading. 7) If your daughter is absorbed in the same manga, she is learning, which is actually very Morinen) u valuable. 1 ) Try to limit your daughter's manga reading to one hour per day. Also, the next time you come to school, please visit the library and look through some manga. They may give you a new perspective. Sincerely yours, Dr. Charles Pepper QQ(a)に入る適切な関係詞を書きなさい。 2. (b)(d)に入る適切な前置詞をそれぞれ書きなさい。 C on with @ 96 3. 次の文の下線部の that と同じ用法のものを、 本文中の ① ~ ④ の中から選び, 番号で答えなさい。 その Fler po The rumor that they had gotten married turned out to be true. ~26750823 LE1 who

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English Senior High

高校1年生です。英語の教科書はlandmarkIを使ってます。 コミュ英の範囲なんですけど、先生が「単語のどこを強く読むかのアクセントの問題とか、読み方が似てるやつの単語を聞くよ」って言ってたんですけど、範囲が広すぎてこの単語出そうとかわかる人教えてください😭 多いほう... Read More

Question Question Part 1 What did Iraq do on March 17th, 1985? Which country's airline helped Japanese people out of Iran? 0.0.0 Genetfl ¹) On March 17th, 1985, during the Iran-Iraq War, March 1) shute- woled enollzeup er 19wane Iraq suddenly announced, "Forty-eight hours from rloge at smop of griep 16 inel re now, we will shoot down any airplane flying over Iran.” Foreign people in Iran began to return home in a hurry on the airlines of their home countries. Unfortunately, s 5 at that time, there was no regular airline service between Iran and Japan. モンドシー 2) The Japanese embassy in Iran made every effort 日本大使館 アイランのをしたあらゆる努力 to get seats on foreign airlines. However, the airlines 外国の航空会社の 航空会社は しかし gave top priority to the people of their home countries 10 最優 TE! EL C 自国のジャ COLORS and refused to accept the Japanese passengers. More 拒否した 受け入れを 日本人乗客 than 200 Japanese people were left in Iran. Just when 200人以上の日本ラ 残されたイランに they were losing hope of going back home, the Japanese embassy received a phone call that said, "Turkish Airlines will offer special seats for the Japanese people 15 left in Iran." Two planes from Turkey appeared in the ・タラキー

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