学年

質問の種類

英語 高校生

分かるところだけでいいので教えてください!

旧和-前lmppe si 証選是2 Read the text and answer the questions below. (apt wm Eve Every year hundreds of new bridges, large and small ane but around he worid. 可 inanon of NOSE Most ofthese 5 a p brdges are marle of wood, steel, concrete, or some Com! uilt uSiNIg yariouき (hree i W materials. However, in (he last few years bridges are Dein如 Iinds of plastics. reinforced1 mmm es 上 0 4 mew bridge in Kiipphausen, Germany, is made entirely 0『 glass-fiDeT like those plastic (GRP). Jr is just as strong as a concrete or steel br put un ュ = httiSR marerials、 GRP does not corrode and is not affected by fros 0F mold. Althou店 し pected to concrexe, し導SEPウデニーー more expensive than a conventional bridge of steel and money Jast machi longer and to need less maintenance, so he 【OWP will saVe Abndge im New Jersey.U.S.4 is made of anew mee plended fro or plastic used for many S ATe made of polystyTene m reCyCled mm "polyethylene and "polystyrene. Polyerhylene is a kim containers and many coffee cups plates, bowIs, and IO Neithuer of Chese raterials alone is SITOnB enough to mal em is much stronger.The neW bridge is ce will also be cheaD and ea5y is that they can be desigmed y-developed computer software can of a specific site by modifyinga ooSing frOm a range ke a bridge. but the new 14 meters long and can material made from th to maimtaim. 5 support a heavy fire rruck. This bndg Another advantage of plastic bridges more quickiy (hanm conventional bridges. Speciall pe used to desjgn a plastic bridge (hat meets the needs e way customers buy a neW car by ch srandard basic desigm mm 由 zo of opiions and specil equipment. Once the bridge's desigTl 1 completed, the plastic and built much em parts car be manufactured in a week. These Coml onents are light in weight amd easy ro handle, so a small bridge can be installed by atwo-mancrew inafew hours. Most of (he plastic bridges built so far ar rraffic. As the technology advamces and the advanmtages of e comparatively small、 buili for pedestrians or jjghf vejicle plastic bridges are recOgiZed, hOWeVer, there could be many Iarge-Scale highway and raijroad bridges made of plastic in the Tuture. ghessdiber einforced plastic グラスファイバー強化プラスチック mold かび polyethylene ポリエチレッ polystyrene ポリスチレン

回答募集中 回答数: 0
英語 高校生

22、23 理由を教えてください

77e ル47Js7e77es の 4のe/ 世 さCGS md has hardened over millions of ーー Sei Of years〆 in the 19th centu ry, people began materials、 too. Milli でahDed ie 9 nsects。 and small animals sometimes got ae STesin. gs hard, the object inside would be protected SRA Seaeス。 Mx py Objects,.Scientists are able to study the blood and ーーサマー Rogsy nd lizards 人at are now se 22 ),small details。 Such as feathers and hair, are. Dreserved_m_fossils amber This mm で means that the rS and shapes of the actual animals can be observed in the fossils. ee 2015、 Lida Xing, a Chinese scientist。 found the tail of a smalL 99-million-year-old dinosaur mn amber. Small details、such as the bone structure。 Were kept 1 perfect condition. Besides this、 Xing noticed that the tail had feathers. his animal had dark brown feathers on top of the tail and lighter feathers undermeath/Based on the shape and- Size of these,ZXing believes4hat this dinosaur( 23 ).nstead, its feathers were for warmth and decoration。和This js the first time this kind of information on ancient life has ever been found, proving how special amber really 1S. 1 buy fossils with amber 2 create their own amber 3 make amber jewey とる study amber closely < 2 ンジ Nevertheless 2 Unfomumatey ( `Moreover 4 Immediately 各 8 て 3 わ 人 な /ャ _had many feathers 2 as always cold was not pretty の could not fy

回答募集中 回答数: 0
化学 大学生・専門学校生・社会人

解答がなく困っています。可能な問題だけでよいです。手書きの画像でいただけると嬉しいです。よろしくお願いします。

1 のようなサッカーボールのような形をした、 炭素原子 60 個どだけからなるフラーレン と呼ばれる Ce分子がある。この分子は、 室温では、図 2 のように立方体の項点と、面の中 心に Cs分子が 1 個ずつ位置する結晶構造をと り、その単位格子の一辺の長さは、 1.4nm で ある。なお、熱運動により、室温では、Ce 分子は図の位置で自由に回転 し、球形であると みなせるとする。 また、。』 Ge 結漠 w に均一に 8.4g になった 炭素 C の原子量を 12、カリウム丈の原子量を 39 とし、1.45=2.8,。 アボガドロ定数を 6.0x 10S mot とする。 3 著作物につき図は公開していません。 (DTMiller, Inorganic Materials Chemistrw Oxford University Pxess より転載) 敵1 2のように分子が配列している単位格子をどう呼ぶか、答えなさい。 間2 単位格子内に含まれる Ce分子の数はいくつあるか、答えなさい。 間3 単位格子内の炭素の数は全部でいくつあるか、答えなさい。 問4 Ce結晶の比度はいくらになるか、単倍を g・cm3として答えなさい。 問5 下線(において、単位格子内において 1 個の Ce分子に対して何個のカリウム原 子が含まれているか、もとめなさい。 -

未解決 回答数: 1
英語 高校生

わからないので誰か解いてください。お願いします。

Mys7ery gg d sales. Some people are juSt Many people cnjoy shopping at flea markets and yar jooking for things they need。 Some look for items thcy colecr and others are looking 旨 rare valuable items。There are records of people finding valuable paintngs orartifaC計 4 for a few dollars. but one story is more surprising than them al Tn 2004 a man in the American Midwest bought a decorative gold cgg WI inSide for around $13.000 at a Hiea market。 That price SeemS VPIy pigh, but he Tf that didmt work。 he was planning 9 sellitto someone to 1d buy it for much However。 no one WoU た it for himself、 and he displayed it in his tm a watch thought he COuld resell it for even more。 rmeltit down for the value of the gold and jewels. more than he paid for it He decided to just kecp 1 might be、He looked up s found outit was a lost Faberg egg. TL Wa the Aander of Russta to his wife。 The jeWelet nd each egg was one of a kind。 What the kitchen. Eight year name written on the inside of the egg am ihird one ever made and was a gift from and watchmaker Faberg6 only made fifty CBgS, of the most valuable antiques in the world. hotographs to see the antiques dealer Wartski NeOne that had been lost for almoSta MO then sold it to a private collector. ss later。 he decided to try tO find out what the cgg man had Was One The man few to England With tham 2.500 times what he paid for Will ever happen agan。 buti iith their next purchase. gives hope to HG lm

回答募集中 回答数: 0
英語 高校生

わからないので誰か解いてください。お願いします。

Mys7ery gg d sales. Some people are juSt Many people cnjoy shopping at flea markets and yar jooking for things they need。 Some look for items thcy colecr and others are looking 旨 rare valuable items。There are records of people finding valuable paintngs orartifaC計 4 for a few dollars. but one story is more surprising than them al Tn 2004 a man in the American Midwest bought a decorative gold cgg WI inSide for around $13.000 at a Hiea market。 That price SeemS VPIy pigh, but he Tf that didmt work。 he was planning 9 sellitto someone to 1d buy it for much However。 no one WoU た it for himself、 and he displayed it in his tm a watch thought he COuld resell it for even more。 rmeltit down for the value of the gold and jewels. more than he paid for it He decided to just kecp 1 might be、He looked up s found outit was a lost Faberg egg. TL Wa the Aander of Russta to his wife。 The jeWelet nd each egg was one of a kind。 What the kitchen. Eight year name written on the inside of the egg am ihird one ever made and was a gift from and watchmaker Faberg6 only made fifty CBgS, of the most valuable antiques in the world. hotographs to see the antiques dealer Wartski NeOne that had been lost for almoSta MO then sold it to a private collector. ss later。 he decided to try tO find out what the cgg man had Was One The man few to England With tham 2.500 times what he paid for Will ever happen agan。 buti iith their next purchase. gives hope to HG lm

回答募集中 回答数: 0