31. The velocities of drivers A and B are shown as functions of time in the figure below. Driver Bst
32. A uniform cord has the mass per unit length λ and it is arranged as that shown in the figure. He
22. 下列哪一個反應可生成碳烯(carbene)化合物?(A) H2C=C=O / NaOH (B) CH2N2 / H3O⁺ (C) CHCl3 / KOH(D) CH2I2 / Fe (E) C
33. As shown in figures (a) and (b), a constant force F is applied to the two contact blocks in both
8. 下列三種化合物(I-III)進行氫化反應(hydrogenation)生成正戊烷(pentane)時,釋放出的熱能(heat)多寡次序為? (A) I < II < III (B) I < II
9. 下列何者最容易進行芳香族親電取代反應(electrophilic aromatic substitution)?(A) 苯(benzene) (B) 甲氧苯(anisole)(C) 甲苯(tol
10. 關於下列反應的敘述,何者正確? (A) 氫陰離子(H¯) 進行反應時來自 Re 面向,產物為(R)-苯乙醇(B) 氫陰離子(H¯) 進行反應時來自 Re 面向,產物之組態為(S)-苯乙醇(C)
35. A block of mass 2 kg on a table is pushed by a force of 20 N directed with an angle of 30odownwa
26. 某化學反應:P + 2Q R + S,其實驗數據如下表所示。 下列哪一項為正確的反應速率式(rate law)?(A) Rate = k[P]2[Q]2 (B) Rate = k[P]2[