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英語 高校生

答えが合っているか添削して欲しいです🙇🏻‍♀️ 1.I(should have drank) so much coffee. Now, I can't sleep. 2. She (may have left) her smartphone at her office,... 続きを読む

Fill in the blanks using a Modal Verb in the box below. [Oct. 17, 2022] May/Might/Must/ Could/Can't/Couldn't / Should/Shouldn't / Ought to / Needn't + have done 1. I ( 2. She ( ) so much coffee. Now, I can't sleep. [drink] ) her smartphone at her office, Or perhaps she left it on the train. [leave] 3. The brand-new bicycle has disappeared – it ( T ( 4. I can't find my glasses. 5. How did she fail that exam again? 6. You ( 7. You ( 8. There is no apple juice left in the fridge. My kids ( 9. Do you think she ( 10. You ( ). [steal] ) them in my car. [leave] She ( ) very much. [study] ) the washing up as was going to do that tomorrow. [do] ) such a terrible thing to her, now she's upset. [say] ) it all. [drink] ) about the appointment? It's 9:30. [forget] ) Luke yesterday. He left Japan six months ago. [see] 11. What isn't John at work yet?" I don't know, he ( 12. My suitcase is too heavy. ) the train. [miss] T( 13. Oh, good! We've got milk. Mom ( 14. The bus arrived one minute after you left, so you ( 15. She ( ) there. Her car keys are still here. [drive] 16. You ( ) such a large house. Your wife would have been quite happy in a smaller house. [buy] 17. I( 18. You ( He's re angry with you. [ask] 19. Do you think you ( It looks quite yellow. 20. The cat has escaped! 21. He ( ) so many things. [pack] ) some yesterday. [buy] ) a cab. [take ) to the cinema, but I decided to stay home. [go] ) his permission before you used his computer. ) too much water to your plant? [add] I( ) the door open by mistake. [leave] ) to the shopping center. It's closed on Sundays. [go]

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英語 高校生

11番から21番まで答えを教えて欲しいです🙇🏻‍♀️

Fill in the blanks using a Modal Verb in the box below. May/Might/Must/Could/Can't/Couldn't/Should/Shouldn't/Ought 1. I ( 2. She ( she left it on the train. [leave] 3. The brand-new bicycle has disappeared - it ( 4. I can't find my glasses. 1( 5. How did she fail that exam again? She ( 6. You ( 18. You ( ) so much coffee. Now, I can't sleep. [drink] ) her smartphone at her office. Or perhaps 19. Do you [Oct. 17, 2022] to/Needn't+have done 7. You ( ) it all. [drink] 8. There is no apple juice left in the fridge. My kids ( 9. Do you think she ( ) about the appointment? It's 9:30. [forget] ) Luke yesterday. He left Japan six months ago. [see] 10. You ( 11. What isn't John at work yet?" I don't know, he ( 12. My suitcase is too heavy. I( ) the train. [miss] 13. Oh, good! We've got milk. Mom ( 14. The bus arrived one minute after you left, so you ( 15. She ( 16. You ( ) such a large house. Your wife would have been quite happy in a smaller house. [buy] 17. 1( ). [steal] ) them in my car. [leave] ) very much. [study] ) the washing up as I was going to do that tomorrow. [do] ) such a terrible thing to her, now she's upset. [say] He's really angry with you. [ask] think you ( It looks quite yellow. 20. The cat has escaped! 21. He ( ) so many things. [pack] ) there. Her car keys are still here. [drive] ) some yesterday. [buy] ) a cab. [take ) to the cinema, but I decided to stay home. [go] ) his permission before you used his computer. [add] I ( ) to the shopping center. ) too much water to your plant? ) the door open by mistake. [leave] It's closed on Sundays. [go]

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化学 高校生

高校生 化学 化学結合と結晶 半径 化学の問題です。 下の写真の赤い部分がわかりません。回答を見る上での右にある図すらわかりません。どこで切ったのでしょうか 2、3枚目の写真は教科書で、とりあえずここらへんを見ていますが、何を使うかもわからないのでもしいらないページでし... 続きを読む

64. イオン結晶■ 図のように, ナトリウム Na の塩化物は塩化ナトリウム型, セシウム Cs の塩化物は塩化セシウム型の結晶構造をとる。 次の各問いに答えよ。 (1) 塩化ナトリウムの結晶における, Na+, CIの配位数をそれぞれ記せ。 (2) NaClの単位格子に含まれる Na+, CI- の数をそれぞれ求めよ。 10.564nm 塩化ナトリウム Na+ CI CI CI 0.412nm (3) Na+, Cs+ のイオン半径をそれぞれ求めよ。 ただし, CI-のイオン半径は 0.167nm, √3=1.73 とする。 (4) フッ化ナトリウム NaF とフッ化セシウム CsFの融点は, それぞれ993℃, 684℃で ある。 CSFの融点が NaF の融点よりも低くなる理由を60字程度で記せ。 ただし, NaF, CsFはともに塩化ナトリウム型の結晶構造をとる。 (10 東北大 改) 解説を見る 0.412 塩化セシウム (3) ナトリウムイオン Na+ のイオン 半径を x[nm〕 とすると, 塩化ナトリ ウム NaClの単位格子の一辺の長さ 0.564nm および塩化物イオン CI-の イオン半径 0.167nmから, xは図の ように表される。 したがって,次式が 成り立つ。 (0.167nm+x [nm])×2=0.564nm x = 0.115nm セシウムイオン Cs+ の半径をy[nm] とすると, 塩化セシウム CSCI の単位 格子の対角線の長さ/3×0.412nm および塩化物イオン CIのイオン半 径0.167 nm から, y は図のように表 される。したがって, 次式が成り立つ。 (0.167nm+y[nm]) x2=√3×0.412nm y=0.189nm (4) 同じ結晶構造をもつイオン結晶では, 陽イオンと陰イオンの間に 働く静電気力 (クーロン力)が大きいほど, 融点は高くなる。 静電気力は, 両イオン間の電荷の積の絶対値が大きいほど,また,両イオン間の距離 (陽イオン半径と陰イオン半径の和)が小さいほど, 強く働く。 フッ化セシウム CSFとフッ化ナトリウム NaF の結晶では, 電荷の積の ,0.167 * -Cs+ Na K 0.167 し √3x0.412 x0.167. 0.564 Cs+ y √2×0.412 単位はnm y CI Xx 0.167 CI¯ 単位はnm ① 対角線の長さは,単 位格子の一辺の長さをα とすると,次のように求 められる。 a 1 √2a 三平方の定理から, 1²=a²+(√2a)² 1= √3a ② 静電気力Fの大きさは 次式のようになる。 19₁x92 F=kx

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