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Chemistry Senior High

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ee まされる。【Y], は。Y の時mmに 式を. [Z), を用いて答えよ。 ADxi、tyi、と おける度である。rzms を表す反記速度 記7。 下線全員の状態にある時。。フが中かる反記放とァ が首弓する反応速度 はつり合っている。 この状態での濃度の比-〔 ] を.連度定数を用いて 近似せずに表せ。 Ki (3 〕 次の文章を読み 間1 …問2に答えよ。ここでFe。O。(固体)、CO。(気体)の生 成熱はそれぞれ 824 kJ/mol, 394 ki/mol とする。 (3 点) (1) 溶鉱志では. 酸化鉄Fe。O。を還元して鉄の単体を製造しており、琶化鉄 は主に一酸化炭素や過素により司元されている。それぞれの反応を式①、式 ②に示す。式①で必要とする一酸化炭素は. 式②および式③の反応により得 られる。 深鉱坊では, 還元反応や融解に必要な熱は. 式③に示す炭素の燃焼 反応による反応熱に大きく依存している。 Fez0s(固体) 二 3 CO (気体) 一 2Fe(固体)+ 3 CO。(気体) ・・・① Fez0s(固体) 二 3 C(黒鉛) 一 2Fe(固体)+ 3 CO(気体) css ・② C(遇) -す0z(気体) 一・ CO(気人 ー・③ 周 1. 式①の反応により 1 mol の Fez0。(固体)を還元する反応は発熱反応であ り, その反応熱を 25 kj とする。式②の反応により 1 mol の Fez0。(固体)を 選元するときの反応熱、 および式③の反応により 1 mol のて(黒鉛) を酸化す 、。るときの反応熱はそれぞれいくらか, 符号を含めて答えよ。

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English Senior High

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TPidgim Emgish Wiar happcms win people necd to communicate but have no cemmon angnagef Youmay ja aken par in coavertions sak as tBiS er perhaps youve witmeswed on fmm a ore comfortablc distance. They gesturc. they talk with their hands and feet. and 一 somewhat surprisingly 一 they speak. as well. That is surprising becasse they really cannot hope tbat amyopc w山 undcrstand much morc than their moodLif hr or she camt undcrstand thr languagr_ But they go ahead and speak anyway. and we can understand bits and pieces of what they say by paying clow attcnGon to thc rrst of the communicstem A がggiz is a simplihied form of language dcvclopcd by speakkcrs who otherwise share no omon languamw This means oi course that pidgins begin in mmultiingual* stuations 一 where ai least two. and more likcly seweral languagcs cocxist. ( ) ). pidgins spring up in rading rmters or in areas umdcr industriabzation (including agricultursl industmahzation. tbat plantanion) They develop bere because the opportuniies for trade and work attractlarge mambers or people with diEernt native tongues Thc term pidgin dcvlopcd from apidgin pronumciatiop of busness: busncss Engish became pidgin English・ A pidgin in the technical snsc is a sort oflanguage scrving the meeds of a community. Thus a pidgn is not simply thc brokcn Engiish of a waiter in a ipreign restaurant (who spcaks his native language with his co-worikers). por is it an idiots verson ofa language. or a kind of inevitable deterioration* in tbe bands of barbarians*。 ( づ )。 robably the morc intelieeat and ambidoms people in s culpure who master the cpcrsy and couragw needed for the move to an industrial or market amea Somc pcopks gcl that pidgins smc wag becatsc cf the Best snd os way they py with hc structural patterns of their basc language。 In a scnsr.the charge is correct pidgins have no respect for the grammars of tbeir base angrages But 下i doesnt make pidgins wrong since he radical simphification we find in pidgins servcs a worthwisls gpal- communicahon。 Because ofits simple structure a pidgin is easier to learn than other languagcs_ By providing a means of communication in a community. it fac抽tates tbe integration* of newcomers who would have a much more dificult time larning a standard Europcan language_ Tinaly. mdgins rc a reahty whosc cxistcpce is pot bject to dkbate。 Tbcr re dozeps of dgins. many of which show no signs of dying out Since tey arisc sponiapeously wherever people need to talk. pidgins probably represcnt the primative communication system out of which our more respected modern languages dcveloped。 This fact alonc makes them wel orth our attenton aped tom umeaer rax 3 cawos pe 23rの4 ne Os Se tee Dame e Leezaet ras ea PT ーッー

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