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化学 高校生

化学反応式の問題で、(4)についてです。 解答のoでの数合わせまでは合っていたのですが、その後のHについて分かりません。 自分は左辺にHは2個、右辺に3個あると考えてH2を2/3倍したのですが、解説では右辺のNAOHの Hの個数(右辺には1個としてる)しか見ていませんが何故... 続きを読む

< | | |加 * 生まれるので. 原子 172 倒全 9 em よら = の立方体の -辺の長 イン (7 2!からBモックの/2 、 2デー とすると, 小 ず方体の対角線 AC の @ re でいて商基が成り 立つ。 なので, 3 二] ち(全人り とだデ5 ー =マン1n-9cm | _ 6 第章 物質の変 EED 109. 目算法 目算法によって係数を補い, 次の化学反応式を完成きせよ。 06 (05の (、 )Oj ② >で《 )CHO (0 語全り!ら03二電電和則) 3③⑨2 (DA人還0のAO還証(柚昌 ④ ( )Na二( )HO つう( )NaoH + ( )還 (5 ( )MnOz 二 ( )HCI = ( )Mne二 ( )cC。 + ( )HO 110 . 未定係数法生未定係数法によって係数を補い、 次の化学反応式を完成させ: (①⑪57(W NO IN電EO語但介NO3議(人INO (2)靖(CU東国 Se二(細IOIS0科| )HzO + ( )SO ⑨王(生) GO da介NO二二)GONOW是蘭( )H。O + ( )NO ④ ( )Cu圭( )HN0s-つ( )Cu(No キ ( )HO + ( )NO 111 に イオン反応式二係数を補って, 炊のイオン反応式を完成させよ。 (Q①。。)BD2N HGUC ADE56 ②昌95 Ua )Ag二 ( )Cuet ンー、、 人下(EEに5二8E7NIGS間半時5

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英語 高校生

教えてください

knew that whene Tn the fifth grade、we were notin the same class, but at lunch Sat in nearby assigned seats and turned around to talk to each othex were always blocking the aisle、talking too oudly and not (a)Ceat ) our lunches、but we didn't care. The teachers knew we were best friends, but we were also a disturbance.(b)Our big mouths got US { 15 ltrouble, and we were warned that we would never be in the sameclass again ifwe kept this up. 7 That summer, Molly and her brother were at my house quite often. We went swimming, played outside and practiced playing Our flutes. Summer went 【[ 16 lvery quickly, and middle school began. As the teachers had warned us、we were not in the same class. We still talked on the ph went over to each other's house, sang in the choir and Practiced < together in the band. ( c )could destroy this friendship. The seventh grade started and, again, We were not in the same class and could not sit near each other at lunch.It(d)(7.we イ.puttoatest ウ .being E.were オ.seemed カ.as if ). We both made new friends. Molly started to hang out with a new grTOUuD of people and was groWing Very popular. We spent( e ) time together and we rarely talked on the phone. At school, I would try to talk to her, but she would just ignore me. When we did take a minute to talk, one of her more popular friends would come up and Molly would just walk away with her, leaving me in the dust. It (0hurt. 1 was so confused.Tm sure she didnt know[ 17 ]thetime how badly 1 felt、 I met Erin、who was also a friend of Molly's、She was in the same gituation I was【[ 18 ]Molly.She and Molly had been close friends。and lately Molly had been treating Erin and me the same way- We decided to talk to her. The phone call was not easy. (g)Talking toherandsaving how Ifeltwas .⑩ ( 5 It was fanny, ⑪though.Whenitwasjust thetwoofus again.It w he_old

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