21. The correct mathematical expression for finding the molar solubility (s) of Sn(OH)₂ is:
(A) \(2s^2 = K_{sp}\)
(B) \(4s^2 = K_{sp}\)
(C) \(108s^5 = K_{sp}\)
(D) \(4s^3 = K_{sp}\)

22. For which process is \(\Delta S\) negative? (A) evaporation of 1 mol of \(CCl_4(l)\) (B) mixing 5 mL ethanol with 25 mL water (C) compressing 1 mol Ne at constant temperature from 1.5 L to 0.5 L (D) raising the temperature of 100 g Cu from 275 K to 295 K

23. Which metal ion has a d5 electron configuration? (A)Pd2+ (B)Ag+ (C)Fe3+ (D)V2+

24. What is the electron configuration of the Sc(I) ion? (A)[Ar] 4s14d1 (B)[Ar] 3d2 (C)[Ar] 3d13a1 (D)[Ar] 4s2

25. Which is a possible product of the chlorination of butane in the presence of light? (A)C4H9Cl (B)C4H7Cl (C)C4H10Cl2 (D)C4H6Cl2

1. When the following equation is balanced, what is the coefficient for H₂O? $$\text{Ca(OH)}_2(aq) + \text{H}_3\text{PO}_4(aq) \rightarrow \text{Ca}_3(\text{PO}_4)_2(s) + \text{H}_2\text{O}(l)$$ (A)2 (B)3 (C)4 (D)6

2. A substance that, when dissolved in water, produces a solution that conducts electric current very efficiently is called (A) a strong electrolyte (B) a weak electrolyte (C) a strong ion (D) an electrical solute

3. Classify the reaction : $$\text{Cu(NO}_3)_2(aq) + 2\text{NaOH}(aq) \rightarrow \text{Cu(OH)}_2(s) + 2\text{NaNO}_3(aq)$$ (A) formation of a solid (B) formation of a gas (C) formation of water (D) transfer of electrons

4. The equation 2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O is an oxidation-reduction reaction. Which statement is true? (A) the carbon is reduced, and the oxygen is oxidized (B) the carbon is oxidized, and the hydrogen is reduced (C) the carbon is oxidized, and the oxygen is reduced (D) it is a decomposition reaction

5. $$\text{Cu(NO}_3)_2(aq) + 2\text{NaOH}(aq) \rightarrow \text{Cu(OH)}_2(s) + 2\text{NaNO}_3(aq)$$ Which one is the net ionic equation? (A) $$\text{Cu}_2^+(aq) + 2\text{NO}_3^-(aq) \rightarrow \text{Cu(NO}_3)_2(aq)$$ (B) $$\text{Cu}_2^+(aq) + 2\text{OH}^-(aq) \rightarrow \text{Cu(OH)}_2(s)$$ (C) $$2\text{NO}_3^-(aq) + 2\text{Na}^+(aq) \rightarrow 2\text{NaNO}_3(aq)$$ (D) $$\text{Na}^+(aq) + \text{OH}^-(aq) \rightarrow \text{NaOH}(s)$$

6. How many electrons are transferred in the following redox reaction? $$\text{Zn}(s) + 2\text{AgNO}_3(aq) \rightarrow \text{Zn(NO}_3)_2(aq) + 2\text{Ag}(s)$$ (A)1 (B)2 (C)3 (D)4

115年 - 115 國立嘉義大學_轉學生招生考試試題_應用化學系：普通化學#143922

115年 - 115 國立嘉義大學_轉學生招生考試試題_獸醫學系：普通化學#143851

115年 - [無官方正解]115 國立臺灣大學_轉學生招生考試：普通化學(C)#142702

115年 - 115 台灣聯合大學系統_學士班轉學生考試試題_A1：普通化學#142701

115年 - [無官方正解]115 台灣聯合大學系統_學士班轉學生考試試題_A6：普通化學#142699

115年 - [無官方正解]115 國立臺灣大學_轉學生招生考試：普通化學(A)#142644

114年 - 114 臺北醫學大學_寒假轉學入學考試試題：普通化學#145030

114年 - 114 國立嘉義大學_轉學生招生考試試題：普通化學#143941

114年 - 114 國立嘉義大學_轉學生招生考試試題_獸醫學系：普通化學#143721

114年 - 114 臺灣綜合大學系統_學士班轉學生考試試題:普通化學A#138275