（基礎化學） 請問丙丁戊選項的 三聚氰胺、阿斯匹靈、聚苯乙烯的莫耳質量要怎麼算🙏

面承D),若此時氧在水中的溶解度為1.62 pm,則魚類能在此汁不下 Tips [1][2] 9 原子經濟或稱為原子效率,其定義:化學反應式中,想要獲得產物的莫耳質量 (分子量)除以所有產物的莫耳質量(分子量)。由小至大排列下列各反應之 是直荐算出質量、原子經濟? CH 12x5+8+2 - 60440 Art/ c 催化劑 BC C=0 C)製造 1,3-丁二烯:CHICH.OH +CH CHO CH- -(丁二 : 192 -Too || OCH H2SO4 (壓克 甲合成壓克力;HCNA +CH,OH H3C CH3 14+3=11 力)+NH3 Z 烯)+2H2O 31 NH 內生產三聚氰胺:6(NHE).CO→ N (三聚氰胺)+6NH3 +3CO. HỒN N NHA 0 || OH H3C-C 0-C-CH3 (丁)製造阿司匹靈: + O- (阿司匹靈) COOH H3C-C COOH CH2=CH-CH=CH, (1,3-T- 4876 K]] 1 3 x 44 14x6 + 6 84+6 2 FO O So +CH,COOH HC=CH2 CHCH2 to (龙) 合成聚苯乙烯的保麗龍:n (聚苯乙烯) (A)(€) < (pj) <(Z)<(T)< (*) (C)(7) <(Z)<(") <(T)< () (B)(T) < (75)<() <(") <(8 (D) ()<(T)<(Z)<(") <(6)

不太清楚B為什麼錯

t DA (77-7) the IBGE + tk . Jt4u. 代名詞受格(落),由若望 ) 15. One of are (A) the coffee is too expensive (B) the student is sick (C) the teachers are nice D them wants to be a lawyer 題組: (16.~41.題) (16. ~ 18. ) Everyone wants to be a good learner. But do you know how to make it? Here a some tips for becoming a good learner. First, make a study plan before 16. _ . Ito help you use time well. It shows what you need to do and how much free time you h Second, get into some good study habits. For example, be sure to 17. the lesson every day. And, mark important points when you study and try to remember them Most important of all, you need to ask questions when you don't understand somet

求解🙏感謝(*´ω｀*)

- 23. )(II) In Fig. 2.30, A and B are position vectors. Show that the position vector C of the midpoint of the line joining the tips of these vectors is C = (A + B)/2. y A C B X FIGURE 2.30 Exercise 23.

請問這樣子是對的嗎？

c March, 根據對話上下文,填入適當的句子代號。15%(每期3分) A You got it. BI'm all ears. Half a year ago. DI haven't tried it yet. Since September. I want to be as slim as possible. G I've never tasted something so good before. 1 Tim: If you want to do well on the English test, I have some tips for yo Jan: Really? B (2) Lisa: How long have you been on the swimming team? Levi: C 3 Claire: I think you should lose weight in a healthier way. Jack: Are you telling me to start exercising? Claire: That's much better than skipping meals. - Dan: I've tried a lot of dishes at this restaurant, and the steak ist most delicious. May: I agree. Seth: Why did you only eat an apple for lunch? Ann: D But to be honest, I'm feeling sick and weak. Seth: That's bad. You should have a balanced diet.

想請問為什麼22.不能選C😰 （順便想請問 我的講義沒有詳解是很正常的事嗎？… 通常不是都會有😥

( 20. — 23. ) BE P (On the street) Lucas: Wendy? Wendy: Yes, it's me. 21 with me? Lucas: Oh, my! You look so different. You are much thinner! Wendy: Yes. 20. since I started my plan for losing weight. Now I am slimmer and healthier. Lucas: Great. I have tried to lose some weight, but I failed. Can you share your Wendy: Sure, l exercise often, drink enough water, and have a balanced diet. Lucas: Sounds easy, but it might be difficult for me. I can't resist great food, and don't have 22. in exercising endy: Well, it was a little hard for me at first. However, once I set a goal, it became easier. For example, my goal was to fit in my new red dress ar wear it to the school party, cas: I got it. I should | 23. now. I think I'll start exercising tonight. I hope to become as slim as possible.

《英文 》 請問遇到這兩種題目要怎麼分辨應該填什麼😅 不懂那個概念😰！ 求解！！謝謝

My dad (D) wanted (A) asked me call him after I arrived in China. (B) made (C) told me to get in touch with Johnson as soon as possible. (B) had (C) let Tips 解題關鍵 Linda (A) made (D asked 有 a.

國一數學全部需算試 謝謝

09 TIPS A ty 想到「他 DID) 9 au 1 ... ||| || | ||||||| : |||A||| (3) (15) X (9) 正但收相乘 an | 名人Yj{ (2) 18 (3) (1) 31X11 (4)(7)/13 (3)(25)/(。 : TOP100ml 日乘,其 請解範例2 整數的連乘 計下列各式的值: 計算下列名 (1)(-3)X(-4)×(-5)×(-6) (1) (-7X (2)(-2)×3×4×(-5)×(-6) (2)(-5) 乘,其 (講解範例 3 乘法交換律與結台 計算下列各式的值: 計算下 (1)(-4)×(-6)×9×25 (1) 8/ (2) 5 x ( -8) X (-13) X (-125 ) (2)( (講解範例 4 乘法對加減 計算下列各式的值: (1) (-15) x 299 (2) (-43) X 47+ (-43) X53

Westerner gives tips while paying bill. •請問tip和bill是要寫單數還是負數啊？ •Westerner 要加the嗎？（看過文法書說 French 指的是所有法國人的時候要說The French) 那westerner 要嗎？

國一英文全部 謝謝

8 國中英語(一) 受格 文法 (4) 人稱代名詞主格、所有格、受格的形式: 數 複 數 所有格 受格 主格 所有格 Tips it's t it is ( 是)的縮寫: 而 its (它的) 是it的所有格, 不要弄錯了。 主格 us our We me I my 第一人稱 第二人稱 you your you you your you him he his their them 第三人稱 they she her her it its it (D) we're ( (C) She's (D) She 練習(B)1. Miss Lin is teacher. (A (A) we (B) our (C) us ( )2. This is my dog. name is Lucky. . (A) It's (B) Its ( )3. are good friends. (A) Their (B (B) Them (C) They (D) They're is teacher. . we_like her (她是我們的老師。我們喜歡她。) 4.

請問第二題怎麼判斷？

“ 好好練題 (5) 占净 (A 選擇題 C C 1. 年民出一 1. 某主察室走在一條筆直的路上, GPS 記錄其移動軌跡,其起點的臺灣二要分 高·作 ( 323602.2782393),終點是 (323429.2781019) 小善騎車的大致方向為何? (A)由西南向東北 FB 山東北向西南 (C) 由西北向東南 (1)由東南向西北。 分,臺灣的投影座標系統目前使用消麥卡托二度分 表一 帶 TM2) ·今有兩個點的TM2 座標為甲(164500 緯度 經度 1問的經線長度 x 终究。 前主 25000) 20000, 2762(10), 以及另外點的球 20° 104.649 TIPS (23.6°N, 121°E) T (23.5°N, 120.5°E). 一是經度 1 間的經線長度ikim)的部分數據,這四點 30 96.448 的位置由東到西排列依序為何? (A)甲丙丁 (2)丙甲丙乙甲丁(D)丙丁乙中。 非選 3. 其生利用GIS 找到籠埔斷層線5公里内的高中,也可利用相同的GIS 功能完成 2020 年一 者? ( 31 學生數超過1,000人的高中職學校(B) 臺灣海平面上升5公尺的淹水範圍 C活斷屬綠兩側200 公尺劃為禁建區 (1) 位於臺中市西屯區的便利商店數量。 DORTY 引發大 4