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10. A reaction at 45 °C has the following enthalpy and entropy: AH° = -86.6 kJ and AS = 382J/K. a. Calculate AG gros fess b. Is the reaction spontaneous at this temperature? 11. A piece of metal weighing 59.047 g was heated to 100.0 °C and then put into 100.0 g of water at 23.7 °C. The metal and water were allowed to come to an equilibrium temperature, determined to be 27.8 °C. Assuming no heat lost to the environment, calculate the specific heat of the metal. 12. A 237 g sample of molybdenum metal is heated to 100.1 °C and then dropped into an insulated cup containing 244 g of water at 10.0 °C. If the final temperature of the water and metal in the cup is 15.3 °C, then what is the specific heat of molybdenum?

10. A reaction at 45 °C has the following enthalpy and entropy: AH° = -86.6 kJ and AS = 382J/K. a. Calculate AG gros fess b. Is the reaction spontaneous at this temperature? 11. A piece of metal weighing 59.047 g was heated to 100.0 °C and then put into 100.0 g of water at 23.7 °C. The metal and water were allowed to come to an equilibrium temperature, determined to be 27.8 °C. Assuming no heat lost to the environment, calculate the specific heat of the metal. 12. A 237 g sample of molybdenum metal is heated to 100.1 °C and then dropped into an insulated cup containing 244 g of water at 10.0 °C. If the final temperature of the water and metal in the cup is 15.3 °C, then what is the specific heat of molybdenum?

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Hi sorry to bother I know that you guys can only answer 3 questions per the ask questions so I was wondering if you could solve the following 3 for me please thank you
### Thermodynamics and Calorimetry Problems #### 10. A reaction at 45°C has the following enthalpy and entropy: - ΔH° = -86.6 kJ - ΔS° = 392 J/K **a. Calculate ΔG°** **b. Is the reaction spontaneous at this temperature?** #### 11. Specific Heat Calculation A piece of metal weighing 50.947 g was heated to 100.0°C and then put into 100.0 g of water at 23.7°C. The metal and water were allowed to come to an equilibrium temperature, determined to be 27.8°C. Assuming no heat is lost to the environment, calculate the specific heat of the metal. #### 12. Specific Heat of Molybdenum A 23.7g sample of molybdenum metal is heated to 100.1°C and then dropped into an insulated cup containing 244 g of water at 10.0°C. If the final temperature of the water and metal in the cup is 15.3°C, then what is the specific heat of molybdenum?
Transcribed Image Text:### Thermodynamics and Calorimetry Problems #### 10. A reaction at 45°C has the following enthalpy and entropy: - ΔH° = -86.6 kJ - ΔS° = 392 J/K **a. Calculate ΔG°** **b. Is the reaction spontaneous at this temperature?** #### 11. Specific Heat Calculation A piece of metal weighing 50.947 g was heated to 100.0°C and then put into 100.0 g of water at 23.7°C. The metal and water were allowed to come to an equilibrium temperature, determined to be 27.8°C. Assuming no heat is lost to the environment, calculate the specific heat of the metal. #### 12. Specific Heat of Molybdenum A 23.7g sample of molybdenum metal is heated to 100.1°C and then dropped into an insulated cup containing 244 g of water at 10.0°C. If the final temperature of the water and metal in the cup is 15.3°C, then what is the specific heat of molybdenum?
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