24. Monosaccharides can be presented in both Haworth and Fischer projection. Which of the following pairs represents the same manosaccharide?

25. The standard molar free energies of formation (△G) of NO2(g) and N2O4(g) at25 °C are 52 and 97 kJ/mol, respectively. Consider the equilibrium at 25 °С:2 NO2(g)⇌ N2O4(g) Which of the following statements is correct? (A) The reaction is endothermic at 25 °C. (B) △S° for this reaction is positive at 25 °C. (C) The equilibrium constant (K) is less than 1 at 25 °C. (D) Decreasing the temperature increases the ratio [N2O4]/[NO2]. (E) The reaction is spontaneous at all temperatures.

26. The rate law for the reaction 2 H2(g) + 2 NO(g) →2 H2O(g) +N2(g) is rate = H2]a[NO]β, and the rates of the reaction under different conditions are as followWhich of the following statements is correct? (A) T2 ＜T1 (B) α = 2, β = 1 (C) When all other conditions are held constant and only the concentrations of the four substances in the reaction system are varied, only the change in the concentration of the reactants has an effect on rate, and the effect of [NO] is greater. (D) At T2, [NO] = 0.1 mol·L-1, the reaction rate is 8r, then [H2] =0.3 mol·L-1 (E) According to the varied reaction rates above, this is an endothermic reaction.

27. Oil painting typically involves a variety of inorganic pigments. Studies have found that under different humidity and light conditions in air, the fading of the pigment orpiment (As2S3) is mainly due to the following two chemical reactions (I and II):(A) The structures of S2O32-and SO42-are both tetrahedral. (B) In both reactions I and II, the elements As and S are oxidized. (C) In reactions I and II, the amount of satisfies: I ＜II.(D) In reactions I and II, the ratio of the number of electrons transferred when 1 mole of As2S3 is oxidized is 3:7. (E) The energy required for reaction I is lower than that for reaction II.

28. A 150 g mixture of methanol and ethylene glycol is dissolved in 1.0 kg of water, producing a solution with freezing point of-5.5 °C. Which ofthe following values is closest to the mole percent of methanol in the mixture? (K of water is1.86 °C/m) (A) 10% (B) 25% (C) 30% (D) 40% (E) 55%

29. -1. The A bipolar-membrane electrolyzer is used to reduce KNO3 to produce NH3, as shown in the figure below. The Faradaic efficiency for ammonia, FE(NH3), can electron required to form P reach 90% [Faradaic efficiency: .TheFaradaic efficiency for producing other gas(es) is 50%. During operation, H2О dissociates in the interfacial (middle) layer of the bipolar membrane to generate H+ and OH-, which migrate toward the two electrodes under the electric field. Which of the following statements is correct?(A) Electrode potential: the potential of electrode a is higher than that of electrode b. (B) The OH produced by water dissociation in the bipolar membrane migrates toward electrode a. (C) The overall reaction in compartment I is: NO3+8 e+ 6 H2O → NH3 +9 OH. (D) When 11.2 L of gas is produced at the anode (at standard conditions), 0.45 mol of NH3 is produced at the cathode. (E) Hydrogen and oxygen gases are evolved from compartment II.

30. A boron-carbon-nitrogen compound with a diamond cubic-like structure can be synthesized under high-temperature and high-pressure conditions. Its crystal structure was determined by X-ray crystallography and its unit-cell structure is shown in the figure on the right. The cubic unit-cell parameter is a pm, and NA denotes Avogadro's constant. Which of the following statements is incorrect? (molar atomic mass (g/mol): B = 11, C = 12, N =14) (A) This material is a covalent compound with high hardness. (B) The number of boron atoms that are nearest neighbors to a given boron atom in the crystal and are at equal distances is 4. (C) The ratio of the number of C-C bonds to C-N bonds in the unit cell is 2:1. (D) The density of the unit cell is (E)The empirical formula of this compound is BC2N.

31. A space probe is equipped with a large, perfectly reflecting solar sail. At the probe's location, the Sun provides an average energy flux (Poynting vector magnitude) of S= 1500 W/m². The sail has an area A = 1000 m², and sunlight strikes the sail at normal incidence. What is the total force exerted on the sail due to radiation pressure? (A) 1 x 10-3 N (B) 5 x 10-3 N (C) 1 x 10-2 N (E) 5 x 10-2 N(D) 3 x 10-2 N

32. A light ray enters a transparent tank filled with a liquid of refractive index nz =1.5. At the bottom ofthe tank lies a thick glass slab with refractive index ng =1.8. The ray enters the liquid from air (n = 1.0) at an angle of incidence θ= 60°. What is the range of the angle of refraction θr inside the glass slab? (A) 0 ＜θr＜ 15° (B) 15° ＜θr ＜30° (C) 30° ＜θr＜45°(D) 45° ＜θr＜60° (E) 60° ＜θr ＜75°

33. An engineer is calibrating an acoustic sensor on the surface of Mars. The Martian atmosphere is primarily composed of carbon dioxide, whereas Earth's atmosphere consists mainly of dinitrogen and dioxygen. Sound waves propagate as rapid compressions and rarefactions under conditions where heat transfer is negligible (i.e., adiabatic propagation). If the engineer compares a sample of Martian air with a sample of Earth air at the same temperature, which of the following is the dominant factor explaining why the speed of sound is lower on Mars? (A) CO2 has a higher molar mass than N2 or O2. (B) CO2 has a higher heat capacity ratio (Cp/Cy) due to more degrees of freedom. (C) The Martian atmosphere is thinner, and the lower pressure P reduces the bulk modulus. (D) The heat conduction of CO2 is much poorer than that of N2 or O2 for the same temperature. (E) The gravity on Mars is lower than that on Earth.

34. The depth of a dam is 200.0 m. What is the pressure (atm) at its bottom? (1.01 x105 N/m² = 1 atm.) (A) 2.6 (B) 9.8 (C) 20.4 (D) 200.0 (E) 19600.0

115年 - 115 國立中山大學_學士後醫學系招生考試試題：物理與化學#138404

115年 - 115 學士後醫學系招生考試試題：物理及化學#138377

115年 - 115 國立清華大學_學士後醫學系招生考試試題_學士後醫學系：化學與物理#138209

114年 - 114 學士後醫學系招生考試試題：物理及化學#126679

114年 - 114 國立清華大學_學士後醫學系_自然科學組﹕物理化學#126266

114年 - 114 國立中山大學_學士後醫學系招生考試試題：物理與化學#126239

113年 - 113 國立清華大學_學士後醫學系單招試題_學士後醫學系自然科學組：化學與物理#119930

113年 - 113 學士後醫學系招生考試:物理及化學#119747

113年 - 113 國立中山大學_學士後醫學系招生考試：物理及化學#119273

112年 - 112 學士後醫學系招生考試:物理及化學#114227