資訊推薦

• 49.「公務員廉政倫理規範」有關贈受財物下列敘述何者為非？ (A) 正常禮俗標準不超過新臺幣 2,000 元。 (B) 依正常禮俗標準同一年度來自同一來源受贈財物以新臺幣一萬元為限 。 (C) 贈受財
• 50.公務員不得要求、期約或收受與其有利害關係者餽贈財物，但非偶發而無影響特定權利 義務之虞者，得受贈之？ (A) 是 (B) 否。
• 16. A particle with charge IC is at the origin (x = 0.0 m). A particle with charge -4C is at x = 2.
• 6.Which atomic orbital combination would result in a molecular sigma bond? (A)(B)(C)(D)
• 17. The electric dipole moment of O-H bond is 5x10-30 C.m. What is the magnitude of electric dipole
• 9. At 760 K, acetaldehyde decomposes to carbon monoxide and methane:CH3CHO→CH4 + COA plot of In [CH3
• 7.How many carbon-carbon σ bonds are present in the molecule shown?(A)2 (B)3 (C) 4(D)5
• 18. An optical fiber has an index of refraction, n=1.5, and diameter, d = 10.0 um. It is surrounded
• 8.How many π bonds are present in the molecule shown?(A)0 (B)1 (C) 3(D)4
• 19. For a RLC circuit with L = 10 mH, C = 1.0 μF, and R = 200.0 Ω, when vs(t) = 2sin (10000t), what
• 9.Vildagliptin is a recently released antidiabetic drug (J. Med. Chem. 2010, 7902). How many element
• 20. A student performed Young's double-slit experiment in air using red light. When he immersed
• 10. Consider the reaction3A+B+C→D+Ewhere the rate law is defined as An experiment is carried out whe
• 10. In the structure below, the hybridization of the oxygen is ________ and the C-O-C bond angle is
• 11. The rate law for a reaction is found to be Rate = K[A]2[B]. Which of the following mechanisms gi
• 12. Which of the following statements is(are) true?I. An excited atom can return to its ground state
• 13. An electron in a one-dimensional box requires energy with wavelength 8080 nm to excite it from t
• 14. The energy expressions for the electrons in the Het ion and the hydrogen atom areEn(H)=-a\/n2 a
• 15. The wavelength of light associated with the n = 2 to n = 1 electron transition in the hydrogen s
• 11. The structure below is a potent analgesic agent (pain reliever) (J. Med. Chem., 2009, 5685). How
• 12. How many methylene groups are present in 2,4-dimethylhexane? (A)0 (B)1 (C) 2(D)6
• 13. Among the butane conformers, which occur at energy minima on a graph of potential energy versus
• 14. Which of the following species is not formed through a termination reaction in the chlorination
• 15. If the equilibrium constant (Keq) of a reaction is 0.5 then which of the following that must be
• 16. Which is a measure of the randomness of a system? (A)entropy (B)enthalpy (C) free energy(D)halog