化学 酸化　この問題のYの解き方を教えてください。 0.39が答えなのですが,0.45になってしまいます。

問6Sさんは,化学変化の前後における物質の質量の変化を調べるために,次のような実験を行 た。これらの実験とその結果について、あとの各問いに答えなさい。 とし 〔実験1] 銅の粉末を0.40gはかり取ってステンレス皿に入れ,図1の ような装置を用いて加熱した。 銅粉をすべて空気中の酸素と反 応させ,生じた酸化銅の質量を求めた。 また, はかり取る銅の 粉末の質量を0.80g, 1.20g, 1.60g, 2.00g にかえて,同様に実験 を行った。 表1は, 実験1] の結果をまとめたものである。 表1 ステンレス皿 銅の粉 ガスバーナー 図 1 はかり取った銅の粉末の質量[g] 小生じた酸化銅の質量[g] 0.40 0.80 1.20 1.60 2.00 0.50 1.00 1.50 2.00 2.50 .: E 〔実験2] 酸化銅の粉末 5.20g に炭素の粉末 0.12g をよく混ぜて混合物 とし、図2のような装置を用いて加熱したところ, 二酸化炭素 が発生した。 気体の発生が止まってから, 試験管に残った粉末 の質量を求めた。 また, 酸化銅の粉末の質量は変えずに, 混ぜ る炭素の粉末を0.24g, 0.36g にかえて、 同様に実験を行った。 表2は, 実験2] の結果をまとめたものである。 酸化銅と炭素 粉末の混合物 表2 5.2 混ぜた炭素の粉末の質量 [g] 試験管に残った粉末の質量[g] 出 0.12 0.24 0.36 4.88 4.56 4.24 5.2 2

英検2級要約問題 添削お願い致しますm(_ _)m

University students often plan for their future careers by attending job fairs searching online for information about different kinds of work opportunities. here are other ways, too. Some of them choose to join short-term work ograms at companies called internships. These have some good points. Students will be able to know more about ompanies they are interested in, such as what kind of jobs there are and what nd of people are working there. Also, internships allow students to get to know her students. These students can encourage each other both during and after the ternship. On the other hand, if students choose to join very short internships, they ay not be able to understand the job they are doing before the internships end. Iso, students who take part in internships may find it difficult to do well in their udies.

（3）の意味って何ですか？？？？

以トの詰可は上の文中で使われています。 それぞれ (1) adventure 名 ( 険 (3) dream of (5) determined 形( 13)c tバして)

答えだけでいいので教えて下さい！

Nos Pt ae てsoCNeictot1 2 3 4もeo簡 六のマーク半りっぱし6るい | Kewn | SN oN穫に潮して、Q)から 3)までの人に秋する葵えとしても邊なもの。または区を モミヘペヘペー From Kevn Gwdner やでYeshto Ueda Dew:March 27 Subject Where to take my brotver Heshto、 My bromer James is comng to Japan fom Sngapore on Fiday HeS gong 1 stay at my house tor fve days. 1 want to show him around town on Sunday but | havent decided here to take him、James is Interested in at but 1 dont know much about the museums round hers、Alo.he loves soccer and hes on the soccer team at school in Singapore、Do you have any good ideas? Ifyou can come wi us、hatd be great too。 ke ce Fomesno ue TiKewn Saner DaterMarch se Subject Places to ke your boher kew. Tnere is a soccer game at he local stadium on Sunday tt stans at 1000 am. You can buy ckets on the Intermet And heres an ar museum in town。 Ne smal but ice is open mtI 6:30 pm。 so why dont you take your brother there aer the game? im sory that 1 cantt go wth you because 「m gong to a musical wi my sster on Sunday hope you and your brother have a great ime

教えて下さい

Complete the sentences and the table using words from the DoX. boarding compulsory curiculum headteacher nurseny school -euBjeete- primary SChoo| secondary school single-sex stf sylebus terms timetablo universty 5 jl My favourite soちjecfs are Music, Maths and French. 1 hate Hstory They made all these changes to the school without consulting the ーthat is, the teachers and the cleaners and so on School js jin England and Wales, as it is in most countries. But some children manage to avoid school, somehow or other schools (boys-only or girls-only) are becoming popular again -at least withi parents! In England and Wales, the school year is divided into three The person in charge of a school is called the This school has a modem , including subjects such as Business Studies, Media Studies and IT The History this year includes the fall of communism, the 1960s in the USA, and South Africa in the 20th 9 ifyou want to know which day or time you have a particular lesson, you can always look at the HO A school is one where pupils live during term- time and only go home to their families in the holidays. The education system in England and Wales 還 uu や5パパ 、、 、 、 だ Age18+ 129 V 5W〔{56《{〔 Age1l1l-18 13 Age 5-11 14 Age 3-5

教えて下さい

Complete the sentences and the table using words from the box. boarding compulsory cuiculum headteacher nursery school -euBjeete- primary SChoo| secondary school single-sex stf sylebus terms timetablo universty | 6 jl My favourite soちjecfs are Music, Maths and French. 1 hate History They made all these changes to the school without consulting the ーthat is, the teachers and the cleaners and so on School js jin England and Wales, as it is in most countries. But some children manage to avoid school, somehow or other schools (boys-only or girls-only) are becoming popular again -at least withi parents! In England and Wales, the school year is divided into three The person in charge of a school is called the This school has a modem , including subjects such as Business Studies, Media Studies and IT The History this year includes the fall of communism, the 1960s in the USA and South Africa in the 20th century. 9 ifFyou want to know which day or time you have a particular lesson, you can always look at the HO A school is one where pupils live during term- time and only go home to their families in the holidays The education system in England and Wales 因 了V。u。パ パOパパパ 、 、 、 Age18+ 119 66ぞ6 Age1l1-18 Age 5-11 14 Age 3-5

答えを教えてください！ 早めに教えてくださるとうれしいです

Tryou ahave yo may | ae 8 Tn ke ey are yer jmtereeng pd the | でaa ee ok em | ES ao me EK intereing acte about term ea ES ぅ foneybees live together ip geups or 20000-80.000 im s jehive。 This group ia acall1a lony apd there are three main | pam ypesofbees ina hivera eingle dUeeny cosamdaerworker | EE ees and hundreds of drone | Sex 由 ^ queen beesjob jato lay egms llher le gemayteaeen | eee se pee Iays aroupd 2.000 eggs he average jifespan ofa gneen is | es se uhree to four years。 Does the queen ie the eolony? No. Her | eswan。 duty is simply egg Jlaying. eneen bee has a smaller brain than | NR aworker bee. 9 2me warkerbees are the largeet population im the hiveThey Aworker bees Hife is rather re all famale beew but eant lay cgm famic の er かな acっhe

（2）の実験1で使われた卵細胞ってどれですか？ 丸い種子のほうかしわの方かわかりません

答え9 い 5 いて次の問いに符えなさい 性しな肌いて次のよう な実験を イン 旨尿がつくる花粉を 図1 る分の孝系と受粉きせる 2 るo前がえられだは還1.3 でできだチチ(まるい しに 友てて自家受 とて種子 1 () 1から, 部人ABCについて正しく述べた文を。 次 ES人 Term va 『をまるくする半作を R。しわにする半伝了をr と表し、 その Se 2形は。両とも公休 イ Aの人了の形と Cの種子の形は, 両方とも優1 9 8の時の形とCの竹了の形は。 両方とも優性の形質といえる。 エ Cの時のは 仙人の形連作の形質でもないとい計| MY ・ 性の形質といえる。 上』凍 こまわれた卵細胞のもっ遺伝子を 人 teeecsu。 由 0 9 %(

3、4、5教えてください💦

の記を大以下の要回の答えを(ア)ー(エ)より選び記を符えなきい Young People cet cw fit than older people Some people say that young people "friues js that tree? Take a ook at iMis ablc Ths s mede by the Minidry of mltL Labor and Welfare。You cmn see how je fruit young eople er The reewon for this trend is simplk。 Mt | oumg pcople dont cat fruit becauwe they ae too cxpensive to cat every day。 Some young pcople say tbey dont et them beeuse iiey dnt want to get their hands diry or cciing them is a Tnuisance。Another rcnson 5 thatifyoung people ive by themsclves ir js difcultto nh eatng arge fuitssuch as atermeons or meions belore they "ro bad. Some kinds of fruit are sGll popular among young peoplc. The rmost or he fits are "imporred from other countrie clerwin japan are triing to change lessonsr to dlementary schooky Others sre promotng fruit on radio programs Anot Many fruit growers and fu ュ vending machine for fruit An apple cutter acked ut appkes at ome sattons It wil be intereving to we young people eat 半柱 *lees こかない *go bad 麻る。 wimport 得する 設問 1. Why are youmg people called "fruitlessT te Nmiary VHHkaNdL Labor and Water 厚生人 manufacture 半 Tr 人20I5和人 yare kiwi fits and banans_ However iion。 Some farmers olcr fruit ther interesting tril manufacturer introduced vending machines which we morc or lews fnit in the future knuikance うんきりすること の) Because youmg people don't eat much fruit (の Because young people dont grov fm (②) Because young people ike to cat ri (ご) Because many fruit growers are trying to scl morc fruit 2.What is the percentage of people over 70 years old who domt eat fruitat al (7) About 20 % (7) About 30上% (⑫) About40 % (エ) Zem 3. Which of following describes the graph correctly? (⑦) Halfof women in their sixties eat more than 100 grams of fruit per day. (?) Less than a qarter of people in Bities emt more than 100 grams of fruit per dy (⑰) More than half the people below the age of 50 eat no fruit で) About twenty percent of people in their tventies eat more tham 200 grams of fruit per day。 4 Which of the following (7) Fruitis expensive for them (⑫) They want to keep their hands cleam. ror the reason why young people dOmt eat fi (① Fruitis not tasty ご) They cannot hinish eating fruit betore they go bad. YYhich sentence is correct about the articlef (ア) Watermelons and melons are stll popular amOng YOUng DcoDle. (?) Most Kiwi fruits and bananas are On in TaDaT. (⑦) Some farmers are promoting their fruit On rd Program エ) There are vending machines for fruit at eVery SL4iOh.

3、4、5番教えてください💦

の記を大以下の要回の答えを(ア)ー(エ)より選び記を符えなきい Young People cet cw fit than older people Some people say that young people "friues js that tree? Take a ook at iMis ablc Ths s mede by the Minidry of mltL Labor and Welfare。You cmn see how je fruit young eople er The reewon for this trend is simplk。 Mt | oumg pcople dont cat fruit becauwe they ae too cxpensive to cat every day。 Some young pcople say tbey dont et them beeuse iiey dnt want to get their hands diry or cciing them is a Tnuisance。Another rcnson 5 thatifyoung people ive by themsclves ir js difcultto nh eatng arge fuitssuch as atermeons or meions belore they "ro bad. Some kinds of fruit are sGll popular among young peoplc. The rmost or he fits are "imporred from other countrie clerwin japan are triing to change lessonsr to dlementary schooky Others sre promotng fruit on radio programs Anot Many fruit growers and fu ュ vending machine for fruit An apple cutter acked ut appkes at ome sattons It wil be intereving to we young people eat 半柱 *lees こかない *go bad 麻る。 wimport 得する 設問 1. Why are youmg people called "fruitlessT te Nmiary VHHkaNdL Labor and Water 厚生人 manufacture 半 Tr 人20I5和人 yare kiwi fits and banans_ However iion。 Some farmers olcr fruit ther interesting tril manufacturer introduced vending machines which we morc or lews fnit in the future knuikance うんきりすること の) Because youmg people don't eat much fruit (の Because young people dont grov fm (②) Because young people ike to cat ri (ご) Because many fruit growers are trying to scl morc fruit 2.What is the percentage of people over 70 years old who domt eat fruitat al (7) About 20 % (7) About 30上% (⑫) About40 % (エ) Zem 3. Which of following describes the graph correctly? (⑦) Halfof women in their sixties eat more than 100 grams of fruit per day. (?) Less than a qarter of people in Bities emt more than 100 grams of fruit per dy (⑰) More than half the people below the age of 50 eat no fruit で) About twenty percent of people in their tventies eat more tham 200 grams of fruit per day。 4 Which of the following (7) Fruitis expensive for them (⑫) They want to keep their hands cleam. ror the reason why young people dOmt eat fi (① Fruitis not tasty ご) They cannot hinish eating fruit betore they go bad. YYhich sentence is correct about the articlef (ア) Watermelons and melons are stll popular amOng YOUng DcoDle. (?) Most Kiwi fruits and bananas are On in TaDaT. (⑦) Some farmers are promoting their fruit On rd Program エ) There are vending machines for fruit at eVery SL4iOh.