問題詳情
9.A、B、C為三種不同之純物質,其分子量分別為18。若A和B反應可生成C,則下列何者可能為其均衡反應式?
(A) 2A+B→2C
(B) A+2B→C
(C) 3A+B→2C
(D) A+B→C
(A) 2A+B→2C
(B) A+2B→C
(C) 3A+B→2C
(D) A+B→C
參考答案
答案:A
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
內容推薦
- l live ______ my office, so I walk to work every morning.(A) along(B)out of(C)near(D)between
- Humans are not the only animals_can make and use tools.(A) that(B) who(C) whom(D) whose
- 甲烷(CH4)與丙烷(C3H8)在充足的氧氣下完全燃燒反應,反應式如下,其反應式皆未平衡:CH4 + O2 → CO2 + H2O;C3H8 + O2 → CO2 + H2O。若各取0莫耳的甲
- lwas not home when the______ brought the package,so I’ll have to get it myself at the post office
- Karen: Why ______ Sheryl and Lisa play cards with us?Henry: Because they want to go to the movie
- Jean is crazy about the color pink. The walls of her room are all_pink.(A) covered(B) dug(C) pain
- The well-dressed man_I had dinner a few days ago is my boss.•(A) x(B) that(C) who(D) with whom
- 下列物質各1莫耳,何者所含的原子總數最多? (A) CO(B) H2O (C) O(D) CH4
- Helen was very______ with me because I broke her new pencil box.(A) popular(B)shy(C) angry(D)hone
- Kate: Do you know Oscar?George: Of course. I know him very ______.(A) little(B)often(C)young(D)w
內容推薦
- May is the fifth month of the year. It comes______ April and June.(A) about(B)before(C) during(D)
- We need to buy______ for Mom on Mother’s Day.(A) special something (B) special some thing (C) sp
- Everybody______ happy at the party at that time.(A) is(B)was(C)were(D)are
- Kathy:_ yourFrenchclass,Jerry?Jerry: I couldn’t understand a word the first month, but it’s gett
- 19 .______words many times from the internet may not help you get a good grade.(A) Copy(B)Copying(C)
- 38〜40題請依據選文資料,選出一個正確或最佳的答案 Laura:Good morning,Tracy. You look different today. Tracy: Really? Do I l
- Amy: Would you like some coffee?Bill: No, thanks. I ______ drink coffee. Coffee hurts my stomach
- The novel is written in English.______. It is easy for the children to read.(A) light(B)salty(C)
- 3長條圖中,受試者數目或百分比應放在(A)X 軸(B)Y 軸(C)都可以
- 老師在黑板上寫著:「(1)重要性:文化抗日;(2)風格:基於斯土斯民的寫實主義風格;(3)代表的作品:楊逵〈送報伕〉。」請問老師所講述的是哪一個運動?(A)白話文運動 (B)五四運動 (C)新美術
- 1 saw a traffic ______ on my way to school. Two men got hurt.(A) accident(B) light(C)jam(D)rule
- 21 .______,I didn’t like Bill at all. However,after working with him for a while, I understand he is
- 臺灣民間社會宗教氣氛濃厚,大致說來是由早期祭祀原鄉神祇逐漸轉化為崇拜聚落守護神,此外隨著移墾的發展,從中國大陸引進的信仰往往有神格上的改變。下列關於臺灣民間宗教發展的敘述,何者正確?(A) 林爽文
- 歐洲最早的文明孕育於圖(一)中何地?(A)I (B)B (C)K (D)D。
- 這個朝代的特色是:「嚴華夷之防,重文武之別,裁抑王室貴族之奢淫,讓受教育講道理的讀書人,為社會之中堅。」力改前朝弊病。同時,讀書人對國家社會責任感加重,有「先天下之憂而憂,後天下之樂而樂」的自覺精
- My mother asked me several times to send an e-mail to my cousin in England,but I always_to do it
- My sister is ______ to drive in Taiwan. She is already 20 years old.(A) too old(B)oldenough(C) en
- 以下何者是被日本政府視為臺灣三大陋習?(A) 纏足、辮髮、吸鴉片 (B) 羅漢腳、娼妓、械鬥 (C) 賭博、酗酒、打群架 (D) 關說、舞弊、走後門
- 3請問此圖為何種圖形? (A)直方圖(B)長條圖(C)多邊圖(D)堆疊長條圖
- 西元 1881 年為了運煤方便,建造唐山至胥各庄鐵路,是中國自造的第一條鐵路。請問此為哪一時期的史事?(A)自強運動 (B)戊戌變法 (C)庚子新政 (D)立憲運動
- Louise: How does the dress look on me?Debbie: Well, not bad,but it’s a little too long. Why don’
- People______ have strong minds usually make their dreams come true.(A) who(B)whom(C)whose(D)what
- 臺灣總督府警務局內部文件記載:「 明治 44年 10月爆發之清國革命,意外迅速奏功,清朝三百年帝政覆滅,所謂中華民國偉業一朝成就,確實誘起本島民眾浸淫於革命思潮之漩渦。……本陰謀事件,確係由此心態
- 27 下列高層公寓平面圖中,那一支梁受力情形(結構行為)與其他梁有顯著的不同,因此需要特別注意其配筋方式?(A)圖中標示 A 處(B)圖中標示 B 處(C)圖中標示 C 處(D)圖中標示 D 處
- 中國有許多文物透過商人、傳教士等人西傳,四大發明中的造紙術傳入西方的最主要媒介是?(A)波斯人 (B)匈奴人 (C)印度人 (D)阿拉伯人。