題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
46. 同溫同壓下,擴散 50 毫升甲氣體所需的時間是擴散同體積氦氣所需時間的 4 倍,則甲氣體的分子量與下列何者相同?( 原子量:C = 12,O = 16,N = 14,S = 32,He = 4
問題詳情
46. 同溫同壓下,擴散 50 毫升甲氣體所需的時間是擴散同體積氦氣所需時間的 4 倍,則甲氣體的分子量與下列何者相同?( 原子量:C = 12,O = 16,N = 14,S = 32,He = 4 )
(A) SO2
(B) CO2
(C) NO2
(D) O3
參考答案
答案:A
難度:困難0.304348
統計:A(7),B(1),C(9),D(3),E(0)
上一篇 :
139. About 500 _______technicians are on strike because more than 8,000 assembly-line workers were l
下一篇 :
148. (chose wrong)One project, proposed by the Ministry of Planning and Investment, it calls for bui
資訊推薦
105. The director suggested that the envelopes _______ by courier so that the film can be developed
157. (chose wrong)Vivid International has decided to expand its loan to make up with a decline in in
140. To add to your account, send a check or money ____ to Smith Funds along with the additional inv
111. Please _____the investment guidelines for each Fund in the appropriate prospectus when opening
149. (chose wrong)According to the company policy, all computer disks, which refer to any computer-d
106. For a sound cooperative relationship between these two firms, a satisfactory agreement must be
158. (chose wrong)Ms. Chen wrote to the director to complain about the poor services she received du
141. (chose wrong)When boarding an airplane, passengers must present their boarding passes to the de
38. 下圖為帷幕牆框架與玻璃安裝之斷面細部詳圖,箭頭所指部位 C 係指 (A)面預留縫(B)邊緣預留縫(C)崁入深度(D)框架溝深。
150.(chose wrong) After an account at Ford’s Mutual Funds has been established, one may purchase add
159. (chose wrong)The Howard family were taken surprise when they were told the building they were l
107. Over the past two years, the success of the new manufacturing process _____ the number of reque
142. (chose wrong)If you need to find a list of books available through the library system, consulta
47. 化學反應 a Ag+(aq ) + b Al(s) → c Al3+(aq ) + d Ag(s) 達平衡後,其平衡係數之和 ( a + b + c + d )為何?( 平衡係數 a、b、c
151. (chose wrong)There are many aspects of the position which are very appealing to me; but I belie
160. (chose wrong)Mandy’s Café was forced to closed because its inadequate ventilation, improper foo
108. It’s essential that the research project be conducted ______ the parameters of time and a limit
143. (chose wrong)Special care has been made to see if the merchandise has been packed according to
112. The government study released said that business should implement widespread use of mathematica
152.(chose wrong) The consulting company suggests relocating our headquarter at the suburbs to obtai
1. 欲提高砂心之耐熱性及表面光滑度,可塗刷(A) 水玻璃液 (B) 石墨液 (C) 木炭液 (D) 石灰液
109. The employees of this firm complained that increases in worker productivity were not adequately
48. 在 27 ℃ 下,將氧氣充入某氧氣瓶,其壓力為 75 大氣壓,則該氧氣瓶加熱至溫度多少度 ( ℃)時,瓶中的氣壓會增為 100 大氣壓?( 假設:100 大氣壓仍在此氧氣瓶可承受的安全壓力值之
153. (chose wrong)In the event for any changes need to be made in the product, please inform our off
7 8 . 在空氣性質圖中, A B 過程代表(A) 純加熱(B) 純減熱(C) 純加濕(D) 純減濕。