64. The free enrgy (G) of Chemical A is 3.8 kJ/mole, and the free enrgy of...
64. The free enrgy (G) of Chemical A is 3.8 kJ/mole, and the free enrgy of Chemical B is 8.2 kJ/mole. What is the change in free energy for the reaction A → B?
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64. The free enrgy (G) of Chemical A is 3.8 kJ/mole, and the
free enrgy of...
standard free energy change for a chemical reaction is-107.2 kJ/mol, What is the equilibriam constant for...
standard free energy change for a chemical reaction is-107.2 kJ/mol, What is the equilibriam constant for the reaction at 35 C 8) (10 pts) The Reaction 1: Reaction 2: Reaction 3: A + B → 2C D→C E→2D &Crna =-145.7 kJ Calculate the AGn for A +B E. Use the three equations above to help with your calculation. Calculate the temperature range (ctemp or temp) at which the following reaction will become spontaneous. NHaCl(s) → HCl(g) + NH3(g) AS-285.1 J/K
In the chemical reaction 3H₂(g) + N₂(g) ⇌ 2NH₃(g) where ΔH = -92.2 kJ/mole list 5...
In the chemical reaction 3H₂(g) + N₂(g) ⇌ 2NH₃(g) where ΔH = -92.2 kJ/mole list 5 ways to increase the concentration of ammonia
19. (5 pts.) At 79.00°F the enthalpy of a reaction was found to be +342.8 KJ/mole...
19. (5 pts.) At 79.00°F the enthalpy of a reaction was found to be +342.8 KJ/mole and its entropy change was +395.0 J/mole*K. The value of the Gibb's free energy is: (a) +341.0 KJ/mole (b) -461.0 KJ/mole (c) -341.0 KJ/mole (d) +224.6 KJ/mole
5) N2(g) + O2(g) 2 NO(g) ΔΗ' 180.7 kJ ; AS°-24.7 J/K 25°C (a)Calculate the standard...
5) N2(g) + O2(g) 2 NO(g) ΔΗ' 180.7 kJ ; AS°-24.7 J/K 25°C (a)Calculate the standard free-energy change for the reaction at 25 C. (b) Calculate AG at 500 C using the value calculated from part a. 6) (Hess' Law) AG +1102 kJ/mole What is the change in free energy when 18 moles of chlorine gas are rea to make phosphorus trichloride cted with phosphorus
19.65 pts.) At 79.00°F the enthalpy of a reaction was found to be +342.8 KJ/mole and...
19.65 pts.) At 79.00°F the enthalpy of a reaction was found to be +342.8 KJ/mole and its entropy change was +395.0 J/mole*K. The value of the Gibb’s free energy is: (a) +341.0 KJ/mole (bhu-461.0 KJ/mole (c) -341.0 KJ/mole (d) +224.6 KJ/mole
QUESTION 5 The standard free energy for the reaction A B is -4.00 kJ/mole. If the...
QUESTION 5 The standard free energy for the reaction A B is -4.00 kJ/mole. If the concentration of A known to be 7.00 mM at equilibrium at 25 °C. What would be equilibrium mM concentration of B. Provide answer to the nearest tenth mM
1. The simplest ammonia formation is from nitrogen and hydrogen. Consider the reversible reaction N2(g) + 3H2(g) → 2NH3(g) The standard enthaply and Gibbs free energy of formation one mole NH3 is ∆H◦...
1. The simplest ammonia formation is from nitrogen and hydrogen. Consider the reversible reaction N2(g) + 3H2(g) → 2NH3(g) The standard enthaply and Gibbs free energy of formation one mole NH3 is ∆H◦ m = −46.11 kJ mol−1 and ∆G◦ m = −16.78 kJ mol−1 . (a) What is equilibrium constant at standard condition (25°C and 1 atm)? (b) What is equilibrium constant at 60°C and 1 atm? (c) What is the Gibbs free-energy change relative to that under standard...
1. The standard enthalpy change for the combustion of mole of propane is -2043.0 kJ. CH_(g)...
1. The standard enthalpy change for the combustion of mole of propane is -2043.0 kJ. CH_(g) +5 0 (g) →3002(g) + 4H2O(g) Calculate Hº for propane based on the following standard molar enthalpies of formation. molecule CO (9) H2O(g) AH (kJ/mol-rxn) -393.5 -241.8 a. +1407.7 kJ/mol-rxn b. +104.7 kJ/mol-rxn c.-104.7 kJ/mol-rxn d -4190.7 kJ/mol-rxn e. -1407.7 kJ/mol-rxn 2. Which of the following statements is/are CORRECT? 1. If a reaction occurs at constant pressure, 4-AH. 2. The change in energy for...
physical chemistry 2. The bond dissociation energy of oxygen gas is 495 kJ/mole, while the enthalpy...
physical chemistry
2. The bond dissociation energy of oxygen gas is 495 kJ/mole, while the enthalpy of formation of ozone gas (O3(g))is 142.3 kJ/mole. For the reaction: NO +O3(g) NO2(g) + O2(g) it is found that AH = -198.9 kJ/mole, Determine the enthalpy change for the reaction: NO(g) + O() NO2(8)
5. (20 pts) Consider the following reaction OF2(g) + H2O(g) ---> 2 HF(g) + O2(g) AH.(kJ/mole)=-318 kJ/mole (a) U...
5. (20 pts) Consider the following reaction OF2(g) + H2O(g) ---> 2 HF(g) + O2(g) AH.(kJ/mole)=-318 kJ/mole (a) Using this information along with data in the appendix of your textbook, calculate AH (OF,(g)) in kJ/mole at 25°C. (b) If 15.0 g of OF2(g) and 10.0 g of H2Og) react, how much heat, expressed in kJ is released? Hint: First calculate the limiting reagent.
standard free energy change for a chemical reaction is-107.2 kJ/mol, What is the equilibriam constant for the reaction at 35 C 8) (10 pts) The Reaction 1: Reaction 2: Reaction 3: A + B → 2C D→C E→2D &Crna =-145.7 kJ Calculate the AGn for A +B E. Use the three equations above to help with your calculation. Calculate the temperature range (ctemp or temp) at which the following reaction will become spontaneous. NHaCl(s) → HCl(g) + NH3(g) AS-285.1 J/K
19. (5 pts.) At 79.00°F the enthalpy of a reaction was found to be +342.8 KJ/mole and its entropy change was +395.0 J/mole*K. The value of the Gibb's free energy is: (a) +341.0 KJ/mole (b) -461.0 KJ/mole (c) -341.0 KJ/mole (d) +224.6 KJ/mole
5) N2(g) + O2(g) 2 NO(g) ΔΗ' 180.7 kJ ; AS°-24.7 J/K 25°C (a)Calculate the standard free-energy change for the reaction at 25 C. (b) Calculate AG at 500 C using the value calculated from part a. 6) (Hess' Law) AG +1102 kJ/mole What is the change in free energy when 18 moles of chlorine gas are rea to make phosphorus trichloride cted with phosphorus
19.65 pts.) At 79.00°F the enthalpy of a reaction was found to be +342.8 KJ/mole and its entropy change was +395.0 J/mole*K. The value of the Gibb’s free energy is: (a) +341.0 KJ/mole (bhu-461.0 KJ/mole (c) -341.0 KJ/mole (d) +224.6 KJ/mole
QUESTION 5 The standard free energy for the reaction A B is -4.00 kJ/mole. If the concentration of A known to be 7.00 mM at equilibrium at 25 °C. What would be equilibrium mM concentration of B. Provide answer to the nearest tenth mM
1. The standard enthalpy change for the combustion of mole of propane is -2043.0 kJ. CH_(g) +5 0 (g) →3002(g) + 4H2O(g) Calculate Hº for propane based on the following standard molar enthalpies of formation. molecule CO (9) H2O(g) AH (kJ/mol-rxn) -393.5 -241.8 a. +1407.7 kJ/mol-rxn b. +104.7 kJ/mol-rxn c.-104.7 kJ/mol-rxn d -4190.7 kJ/mol-rxn e. -1407.7 kJ/mol-rxn 2. Which of the following statements is/are CORRECT? 1. If a reaction occurs at constant pressure, 4-AH. 2. The change in energy for...
physical chemistry
2. The bond dissociation energy of oxygen gas is 495 kJ/mole, while the enthalpy of formation of ozone gas (O3(g))is 142.3 kJ/mole. For the reaction: NO +O3(g) NO2(g) + O2(g) it is found that AH = -198.9 kJ/mole, Determine the enthalpy change for the reaction: NO(g) + O() NO2(8)
5. (20 pts) Consider the following reaction OF2(g) + H2O(g) ---> 2 HF(g) + O2(g) AH.(kJ/mole)=-318 kJ/mole (a) Using this information along with data in the appendix of your textbook, calculate AH (OF,(g)) in kJ/mole at 25°C. (b) If 15.0 g of OF2(g) and 10.0 g of H2Og) react, how much heat, expressed in kJ is released? Hint: First calculate the limiting reagent.
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