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化学 高校生

線引いた所がなぜこうなるのか分かりません(._.Ⅱ 教えて下さい🙇‍♀️┏○" (多分化学基礎で 出来てないところがあるから理解できないのだとは思います…)

例題 2 かき混ぜ棒 はっぽう 図aのような容器に19.0℃の水 98gをとり, NaOHの結晶 2.0g を加え、ふたをしてよくかき混 ぜる。溶解開始から30秒ごとに 液温を測定した結果を図bに示 す。 このグラフを用いて, NaOH の溶解熱を求めよ。 ただし, 水 溶液の比熱容量は4.2J/(g・K), NaOHの式量は40とする。 発泡ポリ スチレン 図a 図 cを見ると, 温度が急激に上昇したのち, ゆるやかに下降している。 これは,発生した熱の一部が一定の割合で周囲に逃げていることを示す。 したがって, NaOHの溶解が完了したB点 (23.5℃) は真の最高温度で はない。 NaOH の溶解が瞬時に終了し、 周囲への熱の放冷が全くなかっ たとみなせる真の最高温度は,放冷を示すグラフの直線部分を反応開始 時の時間0まで延長して求めたC点 (24.0℃) である。 しゅん じ こうして求めた真の最高温度と反応前の温度との差が温度変化となる。 熱量〔J〕=質量〔g〕 × 比熱容量〔J/(g・K)〕×温度変化〔K〕より 〔分〕 Q=mc△t = (98 + 2.0) g × 4.2J / (g・K) × (24.0-19.0) K =2100J=2.1 kJ 図C かんざん NaOH 1mol (40g) あたりの発熱量に換算すると, 40 g 答え 42 kJ/mc 2.1kJx 42 kJ となる。 2.0g 70 2編 1章 化学反応と熱・光 Word! 比熱容量: specific heat capacity比熱: specific heat ヘスの法則: Hess's law 解答 = 温度計 ふた (°C) 25 24 23 22- 度 21 20 19歳 0 図b (°C) 25 24 23 22 度 21 温度 20 19 0 I I T 0 I 1 Ć (24.0°C) B A 0 1 2 I -2 -4 〒3時 N. I I I 時間 I I 時間 F I -LO 5 I 3 4 5 6 〔分〕 6

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英語 高校生

問題を解いたのですが答えがないので合っているか分かりません!教えてください🙏

テーマ |文法項目 商取引 受動態 (第4文型の受動態/群動詞の受動態 UNIT 4 Reading Track 18-19 貨幣はどこから生まれ、私たちの生活の中でどんな役割を果たしているのでしょうか。 Do you know what money is? It can be anything that enough people can agree on as a means of exchange. For example, rice can be money if many of the people in your town are willing to accept it as money. But when you are given rice by your 5 *employer and try to use it as money in other towns, you may get in trouble. Before money was invented, A. This way of exchanging *goods or services is called *barter. In a barter, one person must have something to exchange that the other wants. Many thousand years ago, B Later, it was cast into small, usually round, coins to make trading easier. The first coins were probably made in *Anatolia, or 10_ *Asia Minor, during the 7th century B.C. As the Greek and Roman civilizations began accepting coins as money, the rest of the world went along. C in the 13th century. The concept of paper money was not accepted by Western countries until the early 18th century. The early paper money issued in the West was not successful. Their paper money was easily destroyed because of its poor 15 quality. So, merchants would not accept it. Only in the 20th century did it finally stand on its own. Note Today, as new technologies have changed our lives, many transactions are carried out on the Internet. In such trading, e-money or electronic money is used. E-money is the money that exists only in banking computer systems and has no 20 physical form. Once it's stored on your devices, you can pay at restaurants and stores. Before long, people may carry ( @ ) paper money ( 6 ) coins. (294 words) * employer 雇い主 goods. serviceサービス barter Anatolia アナトリア 〔トルコ共和国のアジア側の半島部 ] Asia Minor 小アジア 〔黒海, 地中海, エーゲ海に囲まれたアジア最西部の地域 ] Note transaction EX31 業務 取引などを相手 〈人〉 と 「行う」 「処理する」ことを意味す る transactの名詞形。 英語では 「商取引」のことをcommercial transaction, またはbusiness transaction という。 JSSUHTU

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英語 高校生

これの解答を教えていただきたいです。

Lesson Language Revitalization in Hawaii Unfortunately, the beautiful native Hawaiian language has been endangered century, making English the language of choice. At first, the discovery of Hawaii by the West seemed to help the growth cince the early 19th century. In 1778. there were 500.000 native Hawaiian of the Hawaiian language. Western people wrote the Hawaiian language in the Roman alphabet, and Hawaiian-language newspapers were printed and cneakers. However, American and British influence grew in the following ger. Hourished because most of the native population had learned to read. It was a time of major cultural change for the native Hawaiian population. However, as more immigrants came to Hawaii from America, Europe, x X causng oW up lo be dhon theory was and financial power on the islands, many parents stopped speaking Hawaiia with their children. They saw English as the language of opportunity. Then a law was passed making English the official language in schools. Due to these Parents who of their baties. and Asia, and as American and British businessmen got increasing political heir parentd g jon over the o sick people va factors, the number of Hawaiian speakers fell to about 1,000 native speakers. In the 1970s, native Hawaiians began the revitalization of the Hawaiian che condhioimn language. In 1978, Hawaiian became one of the official state languages, along Chem! with English, and became a required course in Hawaiian schools. There has addition to the 1,000 native speakers, there are now about 8,000 people that can speak and understand the language. Aarere also been an increase in Hawaiian-language schools, with some students being taught in Hawaiian and many more learning it as a second language. Thus, in (245 words) ) seconds × 60 = ( )wpm 150 wpm~… .@Advanced 245 words -( 100~149 wpm…OIntermediate -@Beginner ~99 wpm … grown.() npa Q Answer T (true) or F (false). nA of B. 3. Even though Hawaiian-language newspapers were printed, most of the Hawaiian people could not read them. 1. People in Hawaii chose English because American and British influence had 2. At first, Western people helped the Hawaiian language grow. 5. People in Hawaii have succeeded in revitalizing the Hawaiian language.() alphabet /elfabet 4. The Hawaiian language was the language of opportunity for immigrants. ( ) Hawaiian /howá:jan/ choice /tóis/n growth /gróu0/ businessmen /biznasmèn/ (<businessman) New words political /palitikal/ Hawaii /hawá:i:/ Speed Readin print /prinl/ immigrant /imigrant/ financial /fondenjal, far-/ Sads h mons Jooks like woverlookng anen and B. Theresloe, hey grow oldor, a

解決済み 回答数: 1