問題詳情
19. A catalyst ___________.
(A) changes the enthalpy of the reaction
(B) does not change the activation energy
(C) provides an alternate pathway to the reaction
(D) does not change the effective collisions
(E) is consumed when more reacting molecules are added
(A) changes the enthalpy of the reaction
(B) does not change the activation energy
(C) provides an alternate pathway to the reaction
(D) does not change the effective collisions
(E) is consumed when more reacting molecules are added
參考答案
無參考答案
內容推薦
- The difference between a student's experimental measurement of the density of sodium chlori
- Due to _________ political tension in the region, stock prices continued to fall this week.(A) de
- 10 丁公司 8 月份關於產品銷售之實際資料與預算資料如下： 則該公司 8 月份之銷售價格差異為何？(A)$8,000（有利） (B)$8,000（不利） (C)$10,000（有利） (D)$10,
- 某生以一未知氣體進行檢驗，發現該氣體的性質如下：無色、比空氣輕、易溶於水、可使溼潤的石蕊試紙呈藍色。試推測該未知氣體為何？ (A)二氧化碳 (B)二氧化硫 (C)氯 (D)氨。
- ( ) 一秒敲一面鑼兩下，產生2赫頻率的鑼聲，此敘述是否正確？ (A)正確 (B)錯誤。
- 甲公司 9 月份實際購入直接原料 1,000 磅，有關記錄直接原料差異之分錄如下： 對於上述分錄，下列敘述何者正確？(A)標準用量為 900 磅 (B)直接原料數量差異為有利差異(C)每磅原料的實
- 9 甲公司採用標準成本制度，將直接原料總差異分為購料價格差異與數量差異，若採用比例分攤至存貨及銷貨成本之方法處理差異，則有關購料價格差異與原料數量差異應分攤科目，下列敘述何者正確？(A)兩差異皆應分攤
- 【題組】7 承上題，若甲公司採先進先出法之分步成本制，則本期完成品之加工成本為何？(A)$116,160 (B)$123,840 (C)$128,448 (D)$137,280
- 【題組】44 (A) forced (B) forcing (C) turned (D) turning
- 若甲公司採加權平均法之分步成本制，下列為其產品生產工序中最終加工部門之本期數量資料：該部門所有損壞均發生於完工後，正常損壞品單位為完成品單位的 10%，以計算約當單位時省略正常損壞品的方式，將正常損壞
內容推薦
- One mole of an ideal gas at 20 °C is expanded isothermally and reversibly from 100 L to 200 L. W
- Naturally occurring copper exists in two isotopic forms: 63Cu and 65Cu. The atomic mass of coppe
- Mixing 20 mL of a 0 M sodium chloride solution with 40 mL of a 0 M calcium chloride solution
- Which of the following ionic compounds has the largest lattice energy?(A) LiF (B) NaCl (C) MgO (
- Which of the following species has a trigonal bipyramid structure?(A) IF5 (B) I3−(C) NH3 (D) PCl
- The following reaction takes place at 120 °C: H2O(l) → H2O(g), ΔH = 0 kJ/mol, ΔS = 0.119 kJ/m
- 11 甲公司產銷單一產品，其 X1 年之期末存貨較期初存貨增加 5,000 單位，單位固定製造費用為$2。該公司以間接法編製現金流量表，若不考慮所得稅因素，則其於全部成本法與變動成本法下，來自營業活動
- 教師在課堂上宣揚自己的政治理念，並強制要求學生加入聲援正在進行的遊行活動。請問此舉最不符合下列何種教育規準？(A)認知性 (B)自願性 (C)繼續性 (D)價值性
- How many σ bonds and π bonds are there in H3C–CH2–CH CH–CH2–C CH ?(A) 16, 3 (B) 13, 2 (C) 10, 2
- 12 甲產品單位售價$100，單位變動成本$75，固定成本$2,500，目前銷量為 200 單位，若管理者制定一個新的決策將使單位變動成本減少$5，但總固定成本增加$1,000。若單位售價不變，預期銷
- ________________ is a method of separation that employs a system with two phases of matter, incl
- A solution contains the ions Ag+, Ba2+, and Ni2+. Dilute solutions of NaCl, Na2SO4, and Na2S are
- Which of the following is an example of nitrogen fixation?(A) Absorption of NH3 and its transfor
- Aspirin and acetaminophen are the oral _____ of first choice in the treatment of mild to moderate
- It could be argued that consumers are dealing with many of the same issues, from deviousadvertisi
- The children were never taught the songs, they just listened to other children singing them andle
- These painters used large areas, or fields, of flat colour and thin, _____ paint to achieve quiet
- An Indian student was gang-raped and murdered on a moving New Delhi bus. That attack _____a coun
- How many electrons in an atom can have the quantum numbers n = 4, l = 1?(A) 2 (B) 6 (C) 10 (D) 1
- When witnessing abuse, boys will identify with the seemingly powerful father who appears to bea
- All my attempts to question the authorities on the subject were met by _______.(A) omniscience (B
- Losing your job is just one of the_______ of life.(A) vicissitudes (B) analogous (C) affectation
- The low humidity, high altitudes and southern latitude all combine to make the climate ______and
- An example of _____ is saying "fine" in response to a question of how work was.(A) noto
- The simple, white church _____ a cemetery of tombstones of people with Spanish and Irish names.(A