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7. Which of the following technologies are considered "energy efficient?" Choose ALL that apply. a. Coal Power Plants d. Hydroelectric Generators b. Fossil Fuel Power Plants е. Solar Panels с. Hydrogen Fuel Cells f. Wind Turbines 8. Which of the following reactions are exothermic? Choose ALL that apply. d. ½H29) a. H2(g) + ½O219) → H,O(g); AH = -243 kJ/mol ½N29) + ½O29) + 90.7 kJ → COq) + 111 kJ → C(s) + ½O2(g) + ½l2g) → Hlai AH = +26 kJ/mol H2(9) + ½02g); AH = +243 kJ/mol N2(g) + O29) + 181.4 kJ b. NO (9) е. С. f. 2NO9) 9. Which equilibrium constant would be most relevant to the following system in equilibrium: NaCl(s) = Na*(aq) + Cl´(aq) Acid lonization Constant (K,) Partial Pressure Equilibrium Constant (K, Solubility Product Constant (Kp) f. а. d. b. Base lonization Constant (Kb) е. С. Equilibrium Constant (Kea) Water lon Product Constant (K„) 10. What is the hydroxide ion concentration of a solution with a pH of 10.33? а. 2.14 X 10-3 d. 4.68 X 10-4 b. 4.68 X 10-3 е. 2.14 X 10-11 с. 2.14 X 10-4 f. 4.68 X 10-11 11. The conjugate base of a weak acid is a(n) Very weak acid d. Very weak base а. b. Weak acid е. Weak base C. Strong acid f. Strong base 12. Which of the following pairs of chemicals could be used to produce a buffer solution? Choose ALL tha apply. and C2H3O2 (aq) b. NaClag) and NaOH(aq) NH3(aq) and NH,Clag) HC2H;O2(aq) d. H,PO, and HPO, (aq) а. (аq) е. Н.сОзад) аand HCO; (ag) 3(aq) H3POaq) and Mg(OH)2(aq) с. f. 13. Which of the following is capable of converting chemical energy into electrical energy? a. Electrolytic Cell d. Reduction Half-Cell b. Galvanic Cell е. Oxidizing Agent

7. Which of the following technologies are considered "energy efficient?" Choose ALL that apply. a. Coal Power Plants d. Hydroelectric Generators b. Fossil Fuel Power Plants е. Solar Panels с. Hydrogen Fuel Cells f. Wind Turbines 8. Which of the following reactions are exothermic? Choose ALL that apply. d. ½H29) a. H2(g) + ½O219) → H,O(g); AH = -243 kJ/mol ½N29) + ½O29) + 90.7 kJ → COq) + 111 kJ → C(s) + ½O2(g) + ½l2g) → Hlai AH = +26 kJ/mol H2(9) + ½02g); AH = +243 kJ/mol N2(g) + O29) + 181.4 kJ b. NO (9) е. С. f. 2NO9) 9. Which equilibrium constant would be most relevant to the following system in equilibrium: NaCl(s) = Na*(aq) + Cl´(aq) Acid lonization Constant (K,) Partial Pressure Equilibrium Constant (K, Solubility Product Constant (Kp) f. а. d. b. Base lonization Constant (Kb) е. С. Equilibrium Constant (Kea) Water lon Product Constant (K„) 10. What is the hydroxide ion concentration of a solution with a pH of 10.33? а. 2.14 X 10-3 d. 4.68 X 10-4 b. 4.68 X 10-3 е. 2.14 X 10-11 с. 2.14 X 10-4 f. 4.68 X 10-11 11. The conjugate base of a weak acid is a(n) Very weak acid d. Very weak base а. b. Weak acid е. Weak base C. Strong acid f. Strong base 12. Which of the following pairs of chemicals could be used to produce a buffer solution? Choose ALL tha apply. and C2H3O2 (aq) b. NaClag) and NaOH(aq) NH3(aq) and NH,Clag) HC2H;O2(aq) d. H,PO, and HPO, (aq) а. (аq) е. Н.сОзад) аand HCO; (ag) 3(aq) H3POaq) and Mg(OH)2(aq) с. f. 13. Which of the following is capable of converting chemical energy into electrical energy? a. Electrolytic Cell d. Reduction Half-Cell b. Galvanic Cell е. Oxidizing Agent

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.137QP: When solid iron burns in oxygen gas (at constant pressure) to produce Fe2O3(s), 1651 kJ of heat is...
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7. Which of the following technologies are considered "energy efficient?" Choose ALL that apply. а. Coal Power Plants d. Hydroelectric Generators b. Fossil Fuel Power Plants е. Solar Panels Hydrogen Fuel Cells f. Wind Turbines с. 8. Which of the following reactions are exothermic? Choose ALL that apply. a. H2(g) + ½O2(a) → H2O(o); AH = -243 kJ/mol ½N2(g) + ½O2lg) + 90.7 kJ → COg) + 111 kJ → d. ½H29) + ½l2i9) → Hlo; AH = +26 kJ/mol b. H29) + ½O2lq; AH = +243 kJ/mol е. (6)ON* + O1g) + 181.4 kJ N210) C(s) + ½02(g) f. 2NO9) С. 9. Which equilibrium constant would be most relevant to the following system in equilibrium: NaCl(s) = Na*(aq) + Cl(aq) а. Acid lonization Constant (K,) d. Partial Pressure Equilibrium Constant (K,) b. Base lonization Constant (K,) е. Solubility Product Constant (Kp) с. Equilibrium Constant (Keg) f. Water lon Product Constant (K„) 10. What is the hydroxide ion concentration of a solution with a pH of 10.33? а. 2.14 X 10-3 d. 4.68 X 10-4 е. 2.14 X 10-11 4.68 X 10-11 f. b. 4.68 X 10-3 C. 2.14 X 10-4 11. The conjugate base of a weak acid is a(n) Very weak acid d. Very weak base а. b. Weak acid е. Weak base C. Strong acid f. Strong base 12. Which of the following pairs of chemicals could be used to produce a buffer solution? Choose ALL that apply. and HPO, (aq) a. HC,H;O2(aq) and C2H3O2 (aq) b. NaClag) and NaOH(aq) NH3(ag) and NHĄCI(aq) d. H,PO, (aq) H,CO3{ag) and HCO3 (aq) H;PO4(aq) and Mg(OH)2(aq) е. С. f. 4(аq) 13. Which of the following is capable of converting chemical energy into electrical energy? Electrolytic Cell d. Reduction Half-Cell a. b. Galvanic Cell е. Oxidizing Agent С. Oxidation Half-Cell f. Reducing Agent
Transcribed Image Text:7. Which of the following technologies are considered "energy efficient?" Choose ALL that apply. а. Coal Power Plants d. Hydroelectric Generators b. Fossil Fuel Power Plants е. Solar Panels Hydrogen Fuel Cells f. Wind Turbines с. 8. Which of the following reactions are exothermic? Choose ALL that apply. a. H2(g) + ½O2(a) → H2O(o); AH = -243 kJ/mol ½N2(g) + ½O2lg) + 90.7 kJ → COg) + 111 kJ → d. ½H29) + ½l2i9) → Hlo; AH = +26 kJ/mol b. H29) + ½O2lq; AH = +243 kJ/mol е. (6)ON* + O1g) + 181.4 kJ N210) C(s) + ½02(g) f. 2NO9) С. 9. Which equilibrium constant would be most relevant to the following system in equilibrium: NaCl(s) = Na*(aq) + Cl(aq) а. Acid lonization Constant (K,) d. Partial Pressure Equilibrium Constant (K,) b. Base lonization Constant (K,) е. Solubility Product Constant (Kp) с. Equilibrium Constant (Keg) f. Water lon Product Constant (K„) 10. What is the hydroxide ion concentration of a solution with a pH of 10.33? а. 2.14 X 10-3 d. 4.68 X 10-4 е. 2.14 X 10-11 4.68 X 10-11 f. b. 4.68 X 10-3 C. 2.14 X 10-4 11. The conjugate base of a weak acid is a(n) Very weak acid d. Very weak base а. b. Weak acid е. Weak base C. Strong acid f. Strong base 12. Which of the following pairs of chemicals could be used to produce a buffer solution? Choose ALL that apply. and HPO, (aq) a. HC,H;O2(aq) and C2H3O2 (aq) b. NaClag) and NaOH(aq) NH3(ag) and NHĄCI(aq) d. H,PO, (aq) H,CO3{ag) and HCO3 (aq) H;PO4(aq) and Mg(OH)2(aq) е. С. f. 4(аq) 13. Which of the following is capable of converting chemical energy into electrical energy? Electrolytic Cell d. Reduction Half-Cell a. b. Galvanic Cell е. Oxidizing Agent С. Oxidation Half-Cell f. Reducing Agent
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