問題詳情
73. The structure below is the repeating unit of a 
(A) homopolymer formed by an addition reaction.
(B) homopolymer formed by a condensation reaction.
(C) copolymer formed by an addition reaction.
(D) copolymer formed by a condensation reaction.
(E) polyester formed by an addition reaction.
參考答案
無參考答案
內容推薦
- 設X、Y、Z分別代表三種相異之元素，對以下之均衡化學反應式：XZ2 ＋ 4Y → 2甲 ＋ X而言，依據道耳吞之原子說，甲的化學式為下列何者？(A) YZ (B) YZ(C)Y2Z (D)
- ( )一U形管內，裝有甲、乙、丙三種互不相溶的液體，平衡時如圖所示，其中甲液柱長度與丙液長度相等，d點為丙液柱的中間點，則液中各點的壓力大小關係，何者正確？ (A) e＝f (B) c＝d (C
- Which of the following statements are true? A catalyst can act in chemical reaction to: I. Lower
- Which of the following statements is true about the following electrochemical cell?(A) The cell
- A boy pulls a wooden box along a rough horizontal floor at constant speed by means of a forceas
- ( )有一艘海底探測船，若以等速向西行駛，每隔一段時間利用聲納探測海底深度一次，其回聲接收時間依序為20 秒、30 秒、40 秒、30 秒、5 秒、20 秒，則海底地形應為下列何者？ (A)
- ( )進行「力的測量」實驗時，施加於彈簧的力F與彈簧伸長量X的關係，如圖所示，下列敘述何者正確？ (A)伸長量X與受力F不成正比，不能用來測力的大小 (B)當施力介於20～60公克重時，才可用此
- A block whose mass m is 650 g is fastened to a spring whose spring constant k is 65 N/m. The blo
- The angular velocity vector of a spinning body points out of the page. If the angular accelerati
- Two different samples have the same mass and temperature. Equal quantities of energy are absorbe
內容推薦
- A thin-walled hollow tube rolls without sliding along the floor. The ratio of its translational
- 在下列四種條件下進行雙氧水分解實驗，請問 何者產生氣泡的速率最快？ (A) (B) (C) (D)
- Two stationary tuning forks (350 and 352 Hz) are struck simultaneously. The resulting sound is o
- Adipic acid contains 32% C, 84% O, and 85% H by mass. What is the empirical formula?(A)
- A 0.20 M solution of MgSO4 has an observed osmotic pressure of 0 atm at 25°C. Determine the ob
- When the following equation C2H5OH + O2⇌ CO2 + H2O is balanced, what are the coefficients?(A) 2,
- On a new temperature scale (°L), water boils at 100°L and freezes at –00°L. Calculate the
- To form a buffer solution with pH = 0, how many moles of NH4Cl should be added to 0 L of 0.2
- Which statement about hydrogen bonding is true?(A) Hydrogen bonding is the intermolecular attrac
- An electron is promoted from the π to the π∗ molecular orbital in an O2 molecule following the a
- Determine the percent dissociation of a 0.18 M solution of hypochlorous acid, HClO. The Ka for t
- The solubility of CaSO4 in pure water at 0 oC is 14 gram per liter. The value of the solubilit
- 有關原子量的敘述，下列何者正確？(A)原子量是分子之間質量的相互比較值(B)原子量有單位，單位是(C)國際上以氫－12當作標準(D)若碳的原子量改為36，則其他原子的原子量皆會變大
- 雙原子分子A2，其原子序為9，中子數為10，則該雙原子分子的分子量為 (A) (B) (C) (D) 38。
- Which of the following graphs represents the magnitude of the electric field as a function of th
- ( )如右圖所示，在一杯靜置的水中，A點距水面5公分，距底部10公分，距左右兩端各為8公分與6公分。下列關於A點壓力的敘述，何者正確？(A)上壓力10 gw/cm2(B)下壓力5 gw/cm2(
- 甲元素分子的結構如右圖所示，其中每一個球皆代表一個原子。若此原子每一個的質量為一個碳原子質量的 倍，且碳的原子量為12，則甲的分子量為下列何者？ (A)(B)(C)(D)48
- ( ) 在連接電路的過程中，下列哪些措施是必要的？ (A)一定要從電源負極出發，依電子流的實際走向順次連接各個電器裝置 (B)一定要從電源的正極出發，順次逐個連接電器裝置 (C)開關一定要接在靠近
- ( ) 當屋子內的電器其中一個損壞時，那麼下列的敘述何者正確？(A)其他電器皆不能使用，因為電器並聯 (B)其他電器皆不能使用，因為電器串聯 (C)其他電器仍可使用，因為電器並聯 (D)其他電器仍
- ( )某長方體的長、寬、高分別為5cm、3cm、2cm，重量為60gw，則當物體放置於桌面時，對桌面造成最小的壓力為何？ (A)2gw/cm(B)4gw/cm(C)6gw/cm(D)
- ( )取兩根夠長的玻璃管，甲管傾斜45度角作托里切利實驗，當時的大氣壓力為1atm；乙管傾斜30度角作托里切利實驗，當時的大氣壓力為0.6atm，則甲乙兩管玻璃管內水銀柱的垂直高度比為何？ (A
- ( )附圖中A、B、C三容器的底面積相同，容器中水的高度也相同。將三個相同材質、體積的金屬塊，分別放入三個容器，使其完全沒入水中，但不與容器底部接觸(假設三容器中的水皆未溢出)，哪一個容器底部所
- ( ) 一電路裝置如附圖二所示，燈泡甲、乙、丙、丁的規格均相同。若電池與燈泡均可正常使用，則哪一顆燈泡燈絲燒斷後，會導致四顆燈泡均不會亮？(A)甲 (B)乙 (C)丙 (D)丁
- How many effective atoms are there in a body-centered cubic unit cell?(A) 1/2 (B) 1 (C) 2 (D) 3/
- 【題組】31)由圖可以判斷甲氣體分子是由多少個原子所組成的？ (A)(B)(C)(D)4。