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English Senior High

Aの1,2,3はこれで合ってますか? 間違えていたら教えて下さい🙇‍♀️

2 Grammar Future with will, may, and might) 4.23 You can use will to give facts or predictions about the future. adol Looking ahead UNIT 12 Extra practice p. 151 To show you are not 100% sure about the future, you can use may and might. I'll be 65 in June. It'll be expensive to travel around Europe. The baby will keep us busy! It won't be easy to find a job. I'll = / will won't = will not I may go on for a master's degree. I might not be able to afford it. You can also use will with expressions like I guess, I think, maybe, and probably. We'll probably take some time off from work. Maybe we'll move to Arizona. Avoid will to talk about plans or decisions already made. Use the present continuous or be going to. I'm going to Europe next year. I'm going to visit Paris. (NOT I will go to Europe next year. I will visit Paris.) Common errors A Circle the correct options in the conversations below. Compare and practice in groups of three. 1. A What are you going to do at the end of this course? B. I'm not sure. I guess I take /I'll take another course. C I don't know. I'm going to / I may travel abroad with my brother. He thinks his classes might / can finish early this year, so we might / will be able to go in May. Don't use can for predictions. Use may or might. I may go away for vacation. (NOT I can go away for vacation.) 2. A Are your friends going away for vacation next summer? B Well, they're all going to do / will all do different things. One friend is going / will go to Istanbul. I'd love to go, too, but I don't know. I won't / I might not be able to afford it. C Four of my friends will / may be 21, so we're having have a big party. It's going to be fun. 3. A Are you going to look for a new job next year? B Actually, I just got a new job. I'll / I'm going to work for the local newspaper. How about you? C I don't know. I think I'm studying / I'll study for a certificate in nutrition. I mean, I'll / I may probably go back to school because I'm pretty sure I won't / might not get a job. Give your own answers. Who has interesting plans?

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Chemistry Senior High

酸化数について 化合物と電気的に中性の化合物は、どのようにみわけるのですか?

(RB 42 酸化数 A 酸化数 「酸化・還元の度合いは、どのように表されるのだろうか?」 1 酸化数 ・酸化数 1:酸化還元反応で, 酸化や還元の関係を明確に判断するための数値。 ・0以外の算用数字またはローマ数字には+, 一の符号をつけて表す。 正の符号も必ずつ *酸化数を用いると, 共有結合でできた分子の反応における電子の授受も考えることができる。 正負の符号必須!! 2 酸化数の決め方 (酸化数を決める規則 ) 規則 単体 単体の原子の酸化数は0 単原子イオン 酸化数はイオンの電荷に等しい 化合物 水素原子Hの酸化数は+1 酸素原子の酸化数は-2 (例外) 過酸化物の0の酸化数は-1 金属の水素化物のHの酸化物は-1 ④ 電気的に中性の化合物 構成原子の酸化数の総和は0 ⑤ 多原子イオン 構成原子の酸化数の総和は, そのイオンの電荷に等しい xyntならnt-酸化数 氏名 酸化数の例 (下線部の酸化数を記せ) ○】, O2 【3】, ○ 】, Fe 【50 1 H2 【2 Cl2 【4 Na+ 【6 + ℓ 】,K+ 【7 +1 】, Al3+ 【9+ 3 Ca2+ 【8 +2 C1 【10 | 1, S2-11 - H2OのHは 【12+1 CO2のOは【14- <-2 1 (例外) H2O2のHは 【15 | NaHのHは【17-1 過酸化物:基準になる構造の 酸素より1つ酸素が 多い状態。 1, ant 1, -2 1 -=酸化数 1,0は 【13-2】 3 酸 198 二酸化 】,Oは【16 | 】 】 ・SO2 (Sの酸化数) + (2)×2=0 Sの酸化数は 【18+410の酸化数-2がス G HNO3(+1) + (Nの酸化数 + (-2) ×3= Nの酸化数は 【19+5 1 NH4+ (Nの酸化数)+ (+1) x3 = +1 1+(-6)+N=0 -5+N=0 の分析 Nの酸化数は 【20-3 】 ・SO42 (Sの酸化数) + (-2) ×4 = -2 Sの酸化数は 【21+6】 ITV N = 5

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