40. Which of the following is polar molecule? (A)H2 (B) He (C)CO2 (D)H2O

40. Which of the following is polar molecule?
(A)H₂
(B) He
(C)CO₂
(D)H₂O

答案：登入後查看
統計： A(0), B(0), C(0), D(9), E(0) #3840050

私人筆記 (共 1 筆)

一起撐住一起上榜

2026/03/23

私人筆記#7917323

未解鎖

(共 0 字，隱藏中）

前往觀看

48. Consider the reaction 3A + B + C → D + E where the rate law is defined asAn experiment is carried out where [B]0 = [C]0 = 1.00 M and [A]0 = 1.00 × 10–4 M. After 3.00 minutes, [A] = 3.26 × 10–5 M and= 3.067 × 104 . The value of k is : (A)6.23 × 10–3 L3 /mol3 ·s (B) 3.26 × 10–5 L3 /mol3 ·s (C) 1.15 × 102 L3 /mol3 ·s (D)1.00 × 108 L3 /mol3 ·s (E) None of these

40. Which of the following is polar molecule?
(A)H₂
(B) He
(C)CO₂
(D)H₂O

私人筆記 (共 1 筆)

相關試題

相關試卷