21. Based on statistical thermodynamics, which of the following statement about heat
capacity is true?
(A) The for Ar is the same as that for Ne, even though the atomic weight of Ar
is twice that of Ne.
(B) The heat capacity for monoatomic atom F is considerably larger than that for
Ne even though they have about same atomic weight.
(C) The heat capacity of liquid water is much larger than that of water vapor.
(D) Br₂(g) has larger value than that of Cl₂(g).

(E) The values for the Ar, O₂(g), and Cl₂(g) are in the order of Cl₂(g) ＞ O₂(g) ＞
Ar.

17. The orbital degeneracy (excluding spin) of hydrogen atom energy levels equals (A)n-1(B)n(C)n+1(D) 2n+1(E)n2

18. The change in enthalpy is given by dH = + Vdp. In combination with the Clapeyron equation, find out d(△H/T) and the two phases remain in equilibrium. (A) (B) d(△H/I) = Rd(In T) (C) d(△HIT) =△S d(In T) (D) (E) All of the above is incorrect

19. Which of the following statements about the hydrogen atom ground state is INCORRECT: (A) It is described by the quantum numbers n =1； 1 = 0； m = 0. (B) The electron's angular momentum equals plank constant, h. (C) The wave function is spherically symmetrical. (D) The wave function decreases exponentially as a function of r. (E) The radial distribution function has its maximum at the Bohr radius.

20. At the solid-liquid-vapor triple point of a pure substance, what is the slope, dp/dT of phase transition? (A) solid-vapor line ＞ liquid-vapor line (B) solid-vapor line = liquid-vapor line (C) solid-vapor line ＜ liquid-vapor line (D) solid-vapor line = liquid-vapor line = 0 (E) all of the above is incorrect

複選題22. The velocity probability of Maxwell-Boltzmann distribution in one-direction is expressed as: . Which of the following statement about Maxwell- Boltzmann distribution at a finite T is true? (A) The most-probable velocity for a one-dimensional gas velocity distribution is zero. (B) The Maxwell-Boltzmann speed (three dimensions) distribution approaches zero at high speeds. (C) The Maxwell-Boltzmann speed (three dimensions) distribution approaches zero at low speed. (D) The total energy of one mole perfect gas according to the Maxwell-Boltzmann distribution is 1.5RT. (E) Most-probable speed ＞ Mean speed ＞ Root mean square speed.

複選題23. Consider the collision-induced dissociation of N2Os(g) via the following mechanism:  The * symbol in the first reaction indicates the reactant is activated through collision. Experimental ly, it is observed that the reaction can be either first or second order under different conditions. The rate law is expressed as . Which of the following statement is true? (A)m = 2. (B) k'=k1 (C) (D)When , the reaction will be first order in N2O5(g). (E) When , the reaction will be half order in N2O5(g).

1. 低估溫 Hypothermia 可保護在循環停止時腦部的損傷，在臨床研究的證實中體 溫在多少度最恰當? (A) 35°~36°C (B) 34°~35°C (C) 32°~34°C (D) 30°~32°C

2. 病患體溫降低至 23°C 時最可能發生何種情形 Arrythmia (A) Tacycardia (B) Spontaneous ventricular fibrillation (C) Asystole (D) Atral fibrillation

3. 病患 CPR 後在 ICU 急救 24 小時後，其神智尚未回復，則其神智回復的機會為? (A) 60% (B) 50% (C) 30% (D) 10%

4. 一位中暑病患來到 ICU 後體溫為 41.5°C 此時要將體溫下降，何種方法最有效? (A) Alcohol Sponge 擦拭 (B) 皮膚潤濕後吹電風扇 (C) 冰水 stomach larvage (D) 冰的 normal saline iv infusion