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英語 高校生

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講 Do you use *'sicky notes? They are used by many people in schools, offces and homes every day They appeared jn the world through the inspiration and hard work of two scientists. You may be surprised to hear that it took fhem twelve years to develop this simple product. 了 Dr Spencer Silver was a scientst at an American company, In 1968, while he was trying to make a strong *“glue, he invented Something unique by accident。 j stuck well to things, but 江 Was Weak enough to be taken off easily It was not the glue Dr Silver was hoping to make, but he didnt believe that せ as a complete failare、 He asked his “Ycoworkers if his glue had any use, but no one was interested in 3 Im 1974 Dr Art Fry, another scienttst at the same company, had a problem. When he sang in church, his *?bookmarks always fell out of his songbook. Then he remembered Tr Silvers inventon. He put the glue on the back of some small pieces of ape They were the frst shcky bookmarks. Although they were very useful Je did not think fhey would sell well, because they could be used again and again. 3 One day Dr Ery wrote some questons on a small piece of paper He put some glie on the back of this note and stuck it on a report He sent the report to another scientist. The scientist wrote his answers on the note and sent it back、 In this way Dr. Fry found another use for Dr. Silver's invention 一 it could help people cormmunicate with each other. The two scientists started to work together to sell the sHcky notes as a new たを product. Im 1978, fhey gave free *"samples to many people in a city in "Tdaho. Almost everyone who tried the product said that they Hiked it By 1980 it was sold everywhere in fhe United States. Now the sticky notes are used al over the world. ・331 words :

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化学 高校生

とても困っています😱もうすぐ試験なのに、34番から37番までが分かりません…。分かる方いらっしゃいませんか?解説をお願いします。

第3問 で. 次の文章を読み、思い (昌一5) に答えなさい。なお ての湯穫は希導交 宙度は10 gcm' とし 水のモル肖固点隆下は 185 K・kg/mol とする。 は 邊有際という 通際に包まれた字と見なすことができる。この半生 水は浸邦するが。 深質粒子は狗過させない。 細胞内の水深次は没廷圧をもっているが o れは, 同温度における質量パーセント浪度090% の塩化ナトリ ッム水浴次の浸衝圧と・ ほほ等しい。 また 同温度における質量パーセント渡度50% のグルコース(CqHzOp水 凌とも ほぼ等しい。これらの溶液は, 浸透圧が等しいことから. 半質弘子のし31_ 1 が等しく。 ともに約[ 32 ]であることがわかる。 ロ っ 本 の リッム水深 ー がって, 線胸を純 ぁるを この水溶液の 37 で における浸透圧は 約[ 33 |Paである。した 水に浸すと。 34 |へ水が浸透する。 また, (この を冷却していくと 』央点とをる 問 文中の宅棚|_31 1っず選びなさい。なお. 徐群に付 した単位を用いなさい。また. 放い値を選びなさい< で |-| 35 |にあてはまる語句または数値を、次の解答井からそれ 32 |については. 単位がある場合は. し3 の帰 し35 については, 最も 群 度 (molル) @ モル質量 (g/moD

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