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Consider the reaction: AS° -278 J K N2 (g) + 3 F2 (g) --> 2 NH3(g)...
Consider the reaction: at N2(g) + 3 F2 (g) --> 2 NH3(g) AH° = -249 kJ...
Consider the reaction: at N2(g) + 3 F2 (g) --> 2 NH3(g) AH° = -249 kJ AS° = -278 25 C K Calculate AGº and state whether the equilibrium composition contains mostly products or reactants at standard conditions. AG --332 kJ The equilibrium composition contains mostly reactants. AG = :-166 kJ The equilibrium composition contains mostly products. AG -6.7 kJ The equilibrium composition contains mostly products. O AGⓇ = +29.0 kJ The equilibrium composition contains mostly products. = AG +82.6...
D Question 32 3 pts What is the molar solubility of Az SOs in water? The...
D Question 32 3 pts What is the molar solubility of Az SOs in water? The solubility product constant for silver sulfite is 1.5 x 10-14 at 25°C 0 16x 10-5M 20 x 10-5M 0 12 x 10-7M O 8.7 x 10-*M Question 33 3 pts Nitrogen reacts with fluorine to form nitrogen trifluoride: N_) + 3F.6 2NF,3 AH.-249 kJ and 19.-278.J Calculate AG, and determine whether the equilibrium composition should Ezzor reactants or products at 25°C. O AGS -...
6. (8 points, 2 points each) Consider the following reaction: CO2(g) + 2 NH3(g) = CO(NH2)2(s)...
6. (8 points, 2 points each) Consider the following reaction: CO2(g) + 2 NH3(g) = CO(NH2)2(s) + H2O(g) AH° = -90 kJ Circle the change expected for each of the following to reestablish equilibrium: a. Add CO2 to the equilibrium mixture form more form more no change products reactants b. Compress the equilibrium mixture at constant temperature. (smaller volume) form more form more no change products reactants c. Heat the equilibrium mixture form more form more no change products reactants...
4. Hydrogen reacts with nitrogen to form ammonia (NH3) according to the reaction 3H2(g) + N2(g)...
4. Hydrogen reacts with nitrogen to form ammonia (NH3) according to the reaction 3H2(g) + N2(g) + 2NH3(g) The value of AH is -92.38 kJ/mol, and that of AS is -198.2 J/mol · K. Determine AGⓇ at 25°C. Show work
2- Therro dynamics e that best completes the statement or answers the question TIPLE CHOICE. Choose...
2- Therro dynamics e that best completes the statement or answers the question TIPLE CHOICE. Choose the one alternative that best completes the at 1) The SI unit for pressure is the A) newton. B) pascal C) MM Hg D) atmosphere. 2) The mixing of different gases by random molecular motion with freque A) diffusion. B) Dalton's law. C) compressibility. D) effusion 3) Entropy is a measure of A) the rate of a reaction. C) molecular randomness. B) free energy...
The following reaction is exothermic. Which change will shift the equilibrium to the right? 2 SO2...
The following reaction is exothermic. Which change will shift the equilibrium to the right? 2 SO2 (g) + O2 (g) = 2 So, (9) o Adding So, Decreasing the volume of the reaction flask Removing O2 Heating the reaction QUESTION 11 A positive AGⓇ for a reaction implies The reaction is never spontaneous The products predominate at equilibrium The reaction is always spontaneous The reactants predominate at equilibrium ОО QUESTION 12 Which of the following is TRUE regarding AG and...
- The reaction N2(g) + 3 F2 (g) → 2 NF3 (9), as A Hºis -248.6...
- The reaction N2(g) + 3 F2 (g) → 2 NF3 (9), as A Hºis -248.6 kJ mol- and ArSº is -278.7 JK moll. Calculate the temperature at which the eaction will be at equilibrium. Assume A Hº and A Sº are independent of temperature. - Condensation of a gas to a liquid is an example of a process for which (choose one or more): (a) AH, AS, and AG are negative at all temperatures. (b) AH, AS, and AG...
Hydrogen reacts with nitrogen to form ammonia (NH3) according to the reaction 3 H2(g) + N2(g)...
Hydrogen reacts with nitrogen to form ammonia (NH3) according to the reaction 3 H2(g) + N2(g) → 2 NH3(g). The value of AH is -92.38 kJ/mol, and that of AS is -198.2 J/mol · K. Determine AG at 50.00°C for the preparation of 2 moles of NH3. (answer in kJ/mol) Answer: -56.723 Check
7 Consider the following reaction at 298 K: NH3(g) +HCI(g)NH4CI(s) Using the thermochemical data at 298 K given below (a) Determine the AH for the reaction. (2 marks) (b) Determine the AG for the...
7 Consider the following reaction at 298 K: NH3(g) +HCI(g)NH4CI(s) Using the thermochemical data at 298 K given below (a) Determine the AH for the reaction. (2 marks) (b) Determine the AG for the reaction and comment on its value. (3 marks) (c) Determine the maximum work done available in the reaction. (3 marks) An equilibrium mixture, consisting of 0.5 atm of NHy(), 0.5 atm of HCKg) and excessive of NH Cl(s), is enclosed in a container at 298 K...
For the reaction 2NO(g) + O2(g) —>2NO2(g) AH° = -114.2 kJ and AS° = -146.5 J/K...
For the reaction 2NO(g) + O2(g) —>2NO2(g) AH° = -114.2 kJ and AS° = -146.5 J/K The equilibrium constant for this reaction at 270.0 K is Assume that AH° and AS are independent of temperature. Submit Answer Try Another Version 3 item attempts remaining elefchces to access important values if needed for this question, Consider the reaction 2CO2(g) + 5H2(g)CH2(g) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate AG for this reaction at 298.15K if...
Consider the reaction: at N2(g) + 3 F2 (g) --> 2 NH3(g) AH° = -249 kJ AS° = -278 25 C K Calculate AGº and state whether the equilibrium composition contains mostly products or reactants at standard conditions. AG --332 kJ The equilibrium composition contains mostly reactants. AG = :-166 kJ The equilibrium composition contains mostly products. AG -6.7 kJ The equilibrium composition contains mostly products. O AGⓇ = +29.0 kJ The equilibrium composition contains mostly products. = AG +82.6...
D Question 32 3 pts What is the molar solubility of Az SOs in water? The solubility product constant for silver sulfite is 1.5 x 10-14 at 25°C 0 16x 10-5M 20 x 10-5M 0 12 x 10-7M O 8.7 x 10-*M Question 33 3 pts Nitrogen reacts with fluorine to form nitrogen trifluoride: N_) + 3F.6 2NF,3 AH.-249 kJ and 19.-278.J Calculate AG, and determine whether the equilibrium composition should Ezzor reactants or products at 25°C. O AGS -...
6. (8 points, 2 points each) Consider the following reaction: CO2(g) + 2 NH3(g) = CO(NH2)2(s) + H2O(g) AH° = -90 kJ Circle the change expected for each of the following to reestablish equilibrium: a. Add CO2 to the equilibrium mixture form more form more no change products reactants b. Compress the equilibrium mixture at constant temperature. (smaller volume) form more form more no change products reactants c. Heat the equilibrium mixture form more form more no change products reactants...
4. Hydrogen reacts with nitrogen to form ammonia (NH3) according to the reaction 3H2(g) + N2(g) + 2NH3(g) The value of AH is -92.38 kJ/mol, and that of AS is -198.2 J/mol · K. Determine AGⓇ at 25°C. Show work
2- Therro dynamics e that best completes the statement or answers the question TIPLE CHOICE. Choose the one alternative that best completes the at 1) The SI unit for pressure is the A) newton. B) pascal C) MM Hg D) atmosphere. 2) The mixing of different gases by random molecular motion with freque A) diffusion. B) Dalton's law. C) compressibility. D) effusion 3) Entropy is a measure of A) the rate of a reaction. C) molecular randomness. B) free energy...
The following reaction is exothermic. Which change will shift the equilibrium to the right? 2 SO2 (g) + O2 (g) = 2 So, (9) o Adding So, Decreasing the volume of the reaction flask Removing O2 Heating the reaction QUESTION 11 A positive AGⓇ for a reaction implies The reaction is never spontaneous The products predominate at equilibrium The reaction is always spontaneous The reactants predominate at equilibrium ОО QUESTION 12 Which of the following is TRUE regarding AG and...
- The reaction N2(g) + 3 F2 (g) → 2 NF3 (9), as A Hºis -248.6 kJ mol- and ArSº is -278.7 JK moll. Calculate the temperature at which the eaction will be at equilibrium. Assume A Hº and A Sº are independent of temperature. - Condensation of a gas to a liquid is an example of a process for which (choose one or more): (a) AH, AS, and AG are negative at all temperatures. (b) AH, AS, and AG...
Hydrogen reacts with nitrogen to form ammonia (NH3) according to the reaction 3 H2(g) + N2(g) → 2 NH3(g). The value of AH is -92.38 kJ/mol, and that of AS is -198.2 J/mol · K. Determine AG at 50.00°C for the preparation of 2 moles of NH3. (answer in kJ/mol) Answer: -56.723 Check
7 Consider the following reaction at 298 K: NH3(g) +HCI(g)NH4CI(s) Using the thermochemical data at 298 K given below (a) Determine the AH for the reaction. (2 marks) (b) Determine the AG for the reaction and comment on its value. (3 marks) (c) Determine the maximum work done available in the reaction. (3 marks) An equilibrium mixture, consisting of 0.5 atm of NHy(), 0.5 atm of HCKg) and excessive of NH Cl(s), is enclosed in a container at 298 K...
For the reaction 2NO(g) + O2(g) —>2NO2(g) AH° = -114.2 kJ and AS° = -146.5 J/K The equilibrium constant for this reaction at 270.0 K is Assume that AH° and AS are independent of temperature. Submit Answer Try Another Version 3 item attempts remaining elefchces to access important values if needed for this question, Consider the reaction 2CO2(g) + 5H2(g)CH2(g) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate AG for this reaction at 298.15K if...
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