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Question: What is the reduction half-reaction for the reaction 2MnO4- + 16H+ + 10e- → 2Mn2+ + 8H2O?O..
Question: Which of the following reactions is a redox reaction?Options: H2 + Cl2 → 2HClNaOH + HCl → ..
Question: In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, what is being oxidized?Options: Fe2O3CFeCO2Corre..
Question: Which of the following is a common oxidizing agent?Options: H2O2NaClCH4C6H12O6Correct Answ..
Question: What is the oxidation state of sulfur in H2SO4?Options: 0+4+6-2Correct Answer: +6Solution:..
Question: In a redox reaction, which species is reduced?Options: Oxidizing agentReducing agentProduc..
Question: Which of the following will have the highest pH?Options: 0.1 M HCl0.1 M NaOH0.1 M CH3COOH0..
Question: What is the relationship between pKa and Ka for an acid?Options: pKa = -log(Ka)pKa = log(K..
Question: Which of the following is a strong base?Options: NH4OHNaOHCH3COONaK2CO3Correct Answer: NaO..
Question: What is the pH of a solution that has a hydrogen ion concentration of 1 x 10^-5 M?Options:..
Question: Which of the following statements about weak acids is true?Options: They completely dissoc..
Question: What is the effect of dilution on the pH of a strong acid solution?Options: pH increasespH..
Question: Which of the following is a characteristic of a buffer solution?Options: It changes pH dra..
Question: What is the pH of a 0.01 M solution of sodium acetate (CH3COONa)?Options: 4.767.009.2410.0..
Question: Which of the following salts will produce a basic solution when dissolved in water?Options..
Question: What is the pH of a 0.1 M solution of hydrochloric acid (HCl)?Options: 10.1100Correct Answ..
Question: What is the result of applying the first normal form (1NF) to a table?Options: All attribu..
Question: In a relational database, what is the purpose of a foreign key?Options: To uniquely identi..
Question: Which of the following is NOT a characteristic of a transaction in a DBMS?Options: Atomici..
Question: What is the main advantage of using indexes in a database?Options: To reduce data redundan..
Question: In the context of ER modeling, what does a \'weak entity\' represent?Options: An entity th..
Question: For the reaction 4HCl(g) ⇌ 2H2(g) + Cl2(g), what is the effect of adding HCl on the equili..
Question: In a reaction at equilibrium, if the concentration of products is decreased, what will hap..
Question: Which of the following statements is true regarding the equilibrium constant Kc?Options: K..
Question: What is the value of the equilibrium constant Kp for the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g..
Question: In the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), what is the effect of increasing the pressure o..
Question: Which of the following changes will NOT affect the position of equilibrium?Options: Adding..
Question: For the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what happens to the equilibrium constant if the..
Question: If the concentration of reactants is increased in a system at equilibrium, what will happe..
Question: Which of the following is NOT a typical use case for a data warehouse?Options: Business in..
