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化学 高校生

酸化還元反応を化学反応式で表す問題なのですが、マーカーを引いているところはなんで両辺に加えるのか分かりません。なぜこれらの物質なのかもわかりません。(3)はなにも加えない理由も教えてください。 (4)は特に分かりません。誰かお願いします助けてください😭

1 1 SO0。填Cuュー SO。+ 2H。O十CuSO。 2HNO。+ Ag 一 NO。+ HO AgNO。 ⑬) 2H。S+ SO。 一 3S + 2HO (⑭) KaCrO, + H。SO。+ 38O。一> K。SO。填Cr(SO)。キHz 解 (1) H。SO。が酸化剤Cu が違元剤としてはたらく。 H。SO。填2HT+ 26一 SO。填2HO …① ーー Cu 十 2e~ …② ①, より e ~を消去する。(①+⑤②) H。SO。寺2HT 上Cu一 SO。十 2HIOすCT 両辺に SOを加える。 2H。SO。十 Cu 一> SO。二 2H。O CuSO。 (2) HNO。 が酸化剤. Ag が選元剤としてはたらく。 (濃)HNO。+キHe-ーー NO。填HO …① Ag一> Ag「十e~ …② ①②よょりe を消去(④+②) HNO。寺時Ag一> NO。填HO十Ag" 両辺にINO電を加える。 2HNO。填Ag一 NO。寺HO十AgNO。 (3) SO。 が酸化剤, H。S が還元剤としてはたらく。 HS 一> S寺2HT十2e~ …① SO。二4HT二4e 一8寺2HO …② ①②よりe を消去(①X2+⑨⑧) 2H5すS0。寺4H"ーー 28十4HT 8+2H。O 2HS + SO。 一> 3S+ 2HO (り keCe0z が隊化剤80。が慢元電としてはたらく9。 . 5 0 十14H二69一っ2CPt+7HLO ww① 0†2HO 一っ SO 十4HT + 2 …⑨ O ⑩ SO。 は強い恒元剤でが が, HLS と反応する5 酸化剤としてはたらく〈、 SO。寺4e~+4HT 0

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英語 高校生

マーカーがひいてあるところの答えがなぜそれになるのか教えていただきたいです 1問でも良いので手を貸していただけませんか?

(1 一10) ら さい。 とも適当なものをadの中から1つ選びなさい ) to the hospital but now he's feeing fine・ | 1 | 次の英文の( ) 内に入れるのに OK Last week my gndtther was suddeniy( entered b、 entering c al で ⑫ ( )money wil you need for your weekend in New Yo ュ、How many b、 How much c。 What amount d。 What total (3) NeitherTom( )Marilyn iikes to trmvel on airplanes。 ュ andb、or で、nor dwith (4) tiS Very important to leave the house on time. ( ), you may miss the train tO school a、 However b、 Otherwise c。 Then d. Therefore 瓦( ) he didnit eat lunch today Steve says he's not at all hungry: Rf b、 Because e. NIS (⑯) The High school graduation ceremony wil be( )onthe 1stof March. sheld b、holding <。 placed d. placing ) responsible for complcting next week's training PrOgram. (7) Each of the playe( a、 are b. js で. Was d、 were ボ When I heand that Jane had been acccpted into a tamous medical school、 Timmediately caled to ( 。)Her a。 appreciate b、 celebrate d。 promise 有L、、 、 肖PmOW )her. dremember (9⑳) After Linda had her hair cut very short even a、 inspect b、 obserwe recognize 競 Doyou( 。)ifTleave early today? Something important has come up。 ョ. admit b、alow dpermit 内 さい。(1王13) 次の英六の下線部にちっとも近い意味のものをョ 包 TIwas born in America and raised in Canada、 b、 educated grown up abroughtup 絞 According to the latest research, most people are in favor of using cleaner sources ot energy. 3。 are considering b、 are currently て、 question d 本時 (⑬ As soon as you have filed in the application form, please hand it in、Be sure t include your e-ma c、printed d、 signed 1 つ選びなさい。(14一15) rvieW、 、You must speak clearly When 。answeri d、trained address. a。 checked b、 completed P次の英文の下線部で間違っているものをadの中から ザyou want to ta 1C

解決済み 回答数: 1
英語 高校生

こちら英語長文問題です。 答えを配布されないため、答えがわかりません。 時間のある方で、解けた方がいたら、答えを教えてくれるととても嬉しいです🥳🙌🙌🙌

ー > o an the Teople say that they never forget as facekbaのselrewidently they do_so me Researchors have howa that he ao iltdgnship beoweerthowpeople hn 中ey wiil do jm studies of face recognition and howrheyrreally-dp。 There 19 SO idence that people who remember faces b2t than り *Hhual memery。 That im. they have s betterthan-ardige abihity_to remember PBB DSPあ。 and HRP GSR They seem to have a special faciHity With _Pickurea and images The ability to recognize and identify people is of fandamenal_importance_in ーー eml magime not ang alle o eggnze awartner ina ond. fahng Jejaes毅品 Your parents sta party or your boss in the office. -The.importance of mermory or aces mest dramatiahiy een in a pesblemremlled yoe9pggesio- Peonle With this problem_canaok recognize ( a ) faces 一even。on occasions。 their 呈 aa mirror。 Surprieingly。 many prosopagnosic patients can relatively_easily-distinguish betoveen other similar objects一cars books and even types of spectacles 一 but not faces. 人 central guestion for psychologyis (-b ) there are special and specifie face- roceswing mechanism diferen hm he:dcntBcation of ther ohjects。 This wohia reqnire identifying and invesiigating Em yeny special and (thankfully) しGA eE People: thoe who have noramal face recognitiom bot poor qbiect recagmition and the cpposite which is ai 中 rcn _meuropsycholagists is whether egp cptiby ae 地at are dedicated to and responsible for face recognition and objecL recognition. Certeinly-ewidene.to date on brain-damaged and non bfatn-damaged patients with prosopagnosia does suggest there are very speifie_bman_regions which 吉 responsible for face processing A two-procss model has been suggested to difierentiate bebyean face amd 0Ajec recognition. One_preeess is called anysis iehidh mee人me proeessing of the bjg pictare: tntal_cnnfiguration。 overall_stracture. "Thisis contrastediwith the こっ組ニー

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