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The standard molar enthalpy of formation of calcium carbonate (CaCO,) is –1206.9 kJ/mol What will be the enthalpy for the formation of 75 g of CaCO,? (MM=100.1 g/mol) 13. -1 206.9 kJ 16.09 kJ a. с. b. -904.3 kJ d. 603.4 kJ

The standard molar enthalpy of formation of calcium carbonate (CaCO,) is –1206.9 kJ/mol What will be the enthalpy for the formation of 75 g of CaCO,? (MM=100.1 g/mol) 13. -1 206.9 kJ 16.09 kJ a. с. b. -904.3 kJ d. 603.4 kJ

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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containing 150 grams of water initially at 27.4°C. If the temperature of the water inCrease A 7.0-gram metal sample absorbed 211 J of heat as it was heated from 28°C to 85°C. Wh The heat of dissolution of a solid substance was determined using an insulated calorimete 8. Critical is the specific heat of the metal? 0.126 J/g.°C B. 0.529 J/g.°C C. 1. An 1.133 J/g.°C a. d. in rele b. 0.267 J/g-°C roc 9. ma to 32.8°C, what is the heat of dissolution of the solid? C. an -3386 J d. 3386 J -810 J a. How much work was done when 46 kJ of energy was spent on compressing a pas released 28 kJ of heat? -18 kJ b. 810 J 10. -74 kJ C. 2. a. d. 74 kJ b. 18 kJ 11. What is the energy change of a system as it does 12 J of work and absorbed 27 J of hear C. -39 J -15 J a. d. 39 J b. 15 J 12. Which of the following will have a standard enthalpy of formation equal to zero? NO,(g) 3. N(g) b. СО) с. a. d. MgCl,(s) The standard molar enthalpy of formation of calcium carbonate (CACO,) is –1206.9 kJ/mol What will be the enthalpy for the formation of 75 g of CaCO,? (MM=100.1 g/mol) 13. -1 206.9 kJ 16.09 kJ a. C. b. -904.3 kJ d. 603.4 kJ 14. Consider the hypothetical reaction below. What is the enthalpy for its reverse reaction? A + 3B = 2C AH=357.2 kJ -357.2 kJ a. 178.6 kJ E C. b. -178.6 kJ d. 714.4 kJ 4. 15. Consider the reactions below. 5. 2A + B = 2C AH=-115.2 kJ 6. B + D = C What will be the value of AH for the overall reaction below? AH=-98.4 kJ 2A = B + 2D -312 kJ a. b. -214 kJ 16.8 kJ d. 81.6 kJ с. 72 Exploring Life Through Science-General Chemistry 2
Transcribed Image Text:containing 150 grams of water initially at 27.4°C. If the temperature of the water inCrease A 7.0-gram metal sample absorbed 211 J of heat as it was heated from 28°C to 85°C. Wh The heat of dissolution of a solid substance was determined using an insulated calorimete 8. Critical is the specific heat of the metal? 0.126 J/g.°C B. 0.529 J/g.°C C. 1. An 1.133 J/g.°C a. d. in rele b. 0.267 J/g-°C roc 9. ma to 32.8°C, what is the heat of dissolution of the solid? C. an -3386 J d. 3386 J -810 J a. How much work was done when 46 kJ of energy was spent on compressing a pas released 28 kJ of heat? -18 kJ b. 810 J 10. -74 kJ C. 2. a. d. 74 kJ b. 18 kJ 11. What is the energy change of a system as it does 12 J of work and absorbed 27 J of hear C. -39 J -15 J a. d. 39 J b. 15 J 12. Which of the following will have a standard enthalpy of formation equal to zero? NO,(g) 3. N(g) b. СО) с. a. d. MgCl,(s) The standard molar enthalpy of formation of calcium carbonate (CACO,) is –1206.9 kJ/mol What will be the enthalpy for the formation of 75 g of CaCO,? (MM=100.1 g/mol) 13. -1 206.9 kJ 16.09 kJ a. C. b. -904.3 kJ d. 603.4 kJ 14. Consider the hypothetical reaction below. What is the enthalpy for its reverse reaction? A + 3B = 2C AH=357.2 kJ -357.2 kJ a. 178.6 kJ E C. b. -178.6 kJ d. 714.4 kJ 4. 15. Consider the reactions below. 5. 2A + B = 2C AH=-115.2 kJ 6. B + D = C What will be the value of AH for the overall reaction below? AH=-98.4 kJ 2A = B + 2D -312 kJ a. b. -214 kJ 16.8 kJ d. 81.6 kJ с. 72 Exploring Life Through Science-General Chemistry 2
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