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Enter your numbers into 1 decimal places; Enter "is" for infinitely small and "ig" infinitely great; For the reaction:...
Enter your numbers into 1 decimal places. For the reaction: 4NO(g) + 6H2O(g) ⇋ 4NH3(g) +...
Enter your numbers into 1 decimal places. For the reaction:
4NO(g) + 6H2O(g) ⇋ 4NH3(g) +
5O2(g)
Determine ΔH° and ΔS° for the reaction at 298
K.
ΔH0(kJ)
ΔS0(J/K)
Assuming that these values are relatively independent of
temperature, calculate ΔG° at 100.°C and 2560.°C.
ΔG0(kJ)at
100℃
ΔG0(kJ)
at 2560℃
3. Is this reaction spontaneous at all range of temperature?
Enter 1 for true or 0 for false.
4. Calculate the K at 298K for the above
reaction. Enter "is" for...
help with all of these please 19. For a certain reaction, AH -35.4 kJ and AS...
help with all of these please
19. For a certain reaction, AH -35.4 kJ and AS - 85.5 / a) is the reaction endothermic or exothermic? b) Does the reaction lead to an increase or decrease in the disorder of the system? c) Calculate AGº for the reaction at 298K d) is the reaction spontaneous at 298K? 20. The sublimation of solid carbon dioxide is a spontaneous process. Predict the sign (+,-, or 0) of AG", AH", and As,", respectively....
Given the data in the table below, AHxn for the reaction 4NO (g) + 6H20 (1)...
Given the data in the table below, AHxn for the reaction 4NO (g) + 6H20 (1) -→ 4NH3(g) +502 (g) is kJ. Substance AH (kJ/mol) H20 (1) 286 NO (g) 90 34 NO2 (g) HNO3(aq) NH3(g) -207 -46 O Insufficient data O-242 O +1172 O +586 O-540
Problem Set 11 October 11, 2019 CHEM 1252 4. One of synthetic chemistry's "holy grails" is...
Problem Set 11 October 11, 2019 CHEM 1252 4. One of synthetic chemistry's "holy grails" is to transform methane, CHe(g), into methanol, CH OH(); the purpose is to create an alternative fuel from the primary component of natural gas. (a) Write a balanced chemical equation, with physical states, for the reaction of methane and oxygen to produce methanol. (b) Calculate AG for this reaction. How would you expect increasing the temperature of the reaction to influence AG? 5. Predict and...
QUESTION 23 - For the reaction below at 298 K: 4NO (9) N20 (9) + N203...
QUESTION 23 - For the reaction below at 298 K: 4NO (9) N20 (9) + N203 (9) AH = -192.7 kJ and AS = -308.2 J/K Which of the following statements is TRUE? AG >0 at 298K At higher temperatures, the reaction will be spontaneous At lower temperatures, the reaction will be spontAreous The reaction is spontaneous at all temperatures. None of the above are true. QUESTION 24 What is Asº at 298 K for the following reaction? 2 H2S(g)...
Need some assistance with the following question: Thanks! 3. A reaction that occurs in the internal...
Need some assistance with the following question:
Thanks!
3. A reaction that occurs in the internal combustion engine is N2(g)O2(g)2 NO(g) (a) Determine ΔΗ0nn and Sonn for the reaction at 298K. (b) Assuming that these values are relatively independent of temperature (probably not a good assumption over such a large temperature range, but we'll pretend), calculate Gonn at 100°C, 3540°C, and 8000°C. (c) At what temperature would this reaction become spontaneous? Relevant Thermodynamic Data at 25 C AH, (kJ /mol)...
5. Above what temperature does the following reaction become nonspontaneous AS = -153.2 J/K Given: AH...
5. Above what temperature does the following reaction become nonspontaneous AS = -153.2 J/K Given: AH = -1036 k); 2 H2(g) + 3 O2(g) → 2 502(g) + 2 H20(g) AG - AH' - TAS 46 = -1036000 -(T)(-153.2) = 0 6. What is the minimum temperature required for the spontaneous conversion of Cla(I) to CCL() Given: AH"vap) is 57.3 kJ/mol and ASva) is 164 J/(mol)? AG AH - TAS = 298 K 06 = 57300 - (298)(164) 46°= 8428...
P,010(s) + 6PC13(g) → 10POCI;(8) 1. The synthesis of phosphoryl chloride (POCI,) is represented in the...
P,010(s) + 6PC13(g) → 10POCI;(8) 1. The synthesis of phosphoryl chloride (POCI,) is represented in the reaction above. a. Determine the value of the standard enthalpy change AHⓇxn for the synthesis of POCI(g) at 298K using the following information. (5 points) i. P,(s) +6C12(g) → 4PC12(g) AH° = -1225.6 kJ ii. P.(s) + 502(g) →P,0,.() AH = -2967.3 kJ iii. PCI,(g) + Cl, (g) → PC1,(g) AH = -84.2 kJ iv. PCI,(g) + 1/2 0,(g) → POCI,(g) AH° = -285.7...
kindly help with 20 and 21 please 20. The sublimation of solid carbon dioxide is a...
kindly help with 20 and 21 please
20. The sublimation of solid carbon dioxide is a spontaneous process. Predict the sign (+,-, or 0) of AG", AH", and AS, respectively. 21. Calculate AG for the following reaction at 298 K. 2PbS(s) + 3O2(g) → 2PbO(s) + 25O2(g) AH°= -844 kJ ASO= -165 J/K If the reaction is not spontaneous under standard conditions at 298K, at what temperature (if any) would the reaction become spontaneous?
1. A reaction has AH = 100 kJ/mol and AS = 250 J/mol K. a. Is...
1. A reaction has AH = 100 kJ/mol and AS = 250 J/mol K. a. Is the reaction spontaneous at room temperature? b. If not, under what temperature conditions will it become spontaneous? 2. Consider the following reaction at 298 K: N204(g) = 2NO2(g) KP=0.142 What is the standard free energy change at this temperature? Is the reaction spontaneous at this temperature?
Enter your numbers into 1 decimal places. For the reaction:
4NO(g) + 6H2O(g) ⇋ 4NH3(g) +
5O2(g)
Determine ΔH° and ΔS° for the reaction at 298
K.
ΔH0(kJ)
ΔS0(J/K)
Assuming that these values are relatively independent of
temperature, calculate ΔG° at 100.°C and 2560.°C.
ΔG0(kJ)at
100℃
ΔG0(kJ)
at 2560℃
3. Is this reaction spontaneous at all range of temperature?
Enter 1 for true or 0 for false.
4. Calculate the K at 298K for the above
reaction. Enter "is" for...
help with all of these please
19. For a certain reaction, AH -35.4 kJ and AS - 85.5 / a) is the reaction endothermic or exothermic? b) Does the reaction lead to an increase or decrease in the disorder of the system? c) Calculate AGº for the reaction at 298K d) is the reaction spontaneous at 298K? 20. The sublimation of solid carbon dioxide is a spontaneous process. Predict the sign (+,-, or 0) of AG", AH", and As,", respectively....
Given the data in the table below, AHxn for the reaction 4NO (g) + 6H20 (1) -→ 4NH3(g) +502 (g) is kJ. Substance AH (kJ/mol) H20 (1) 286 NO (g) 90 34 NO2 (g) HNO3(aq) NH3(g) -207 -46 O Insufficient data O-242 O +1172 O +586 O-540
Problem Set 11 October 11, 2019 CHEM 1252 4. One of synthetic chemistry's "holy grails" is to transform methane, CHe(g), into methanol, CH OH(); the purpose is to create an alternative fuel from the primary component of natural gas. (a) Write a balanced chemical equation, with physical states, for the reaction of methane and oxygen to produce methanol. (b) Calculate AG for this reaction. How would you expect increasing the temperature of the reaction to influence AG? 5. Predict and...
QUESTION 23 - For the reaction below at 298 K: 4NO (9) N20 (9) + N203 (9) AH = -192.7 kJ and AS = -308.2 J/K Which of the following statements is TRUE? AG >0 at 298K At higher temperatures, the reaction will be spontaneous At lower temperatures, the reaction will be spontAreous The reaction is spontaneous at all temperatures. None of the above are true. QUESTION 24 What is Asº at 298 K for the following reaction? 2 H2S(g)...
Need some assistance with the following question:
Thanks!
3. A reaction that occurs in the internal combustion engine is N2(g)O2(g)2 NO(g) (a) Determine ΔΗ0nn and Sonn for the reaction at 298K. (b) Assuming that these values are relatively independent of temperature (probably not a good assumption over such a large temperature range, but we'll pretend), calculate Gonn at 100°C, 3540°C, and 8000°C. (c) At what temperature would this reaction become spontaneous? Relevant Thermodynamic Data at 25 C AH, (kJ /mol)...
5. Above what temperature does the following reaction become nonspontaneous AS = -153.2 J/K Given: AH = -1036 k); 2 H2(g) + 3 O2(g) → 2 502(g) + 2 H20(g) AG - AH' - TAS 46 = -1036000 -(T)(-153.2) = 0 6. What is the minimum temperature required for the spontaneous conversion of Cla(I) to CCL() Given: AH"vap) is 57.3 kJ/mol and ASva) is 164 J/(mol)? AG AH - TAS = 298 K 06 = 57300 - (298)(164) 46°= 8428...
P,010(s) + 6PC13(g) → 10POCI;(8) 1. The synthesis of phosphoryl chloride (POCI,) is represented in the reaction above. a. Determine the value of the standard enthalpy change AHⓇxn for the synthesis of POCI(g) at 298K using the following information. (5 points) i. P,(s) +6C12(g) → 4PC12(g) AH° = -1225.6 kJ ii. P.(s) + 502(g) →P,0,.() AH = -2967.3 kJ iii. PCI,(g) + Cl, (g) → PC1,(g) AH = -84.2 kJ iv. PCI,(g) + 1/2 0,(g) → POCI,(g) AH° = -285.7...
kindly help with 20 and 21 please
20. The sublimation of solid carbon dioxide is a spontaneous process. Predict the sign (+,-, or 0) of AG", AH", and AS, respectively. 21. Calculate AG for the following reaction at 298 K. 2PbS(s) + 3O2(g) → 2PbO(s) + 25O2(g) AH°= -844 kJ ASO= -165 J/K If the reaction is not spontaneous under standard conditions at 298K, at what temperature (if any) would the reaction become spontaneous?
1. A reaction has AH = 100 kJ/mol and AS = 250 J/mol K. a. Is the reaction spontaneous at room temperature? b. If not, under what temperature conditions will it become spontaneous? 2. Consider the following reaction at 298 K: N204(g) = 2NO2(g) KP=0.142 What is the standard free energy change at this temperature? Is the reaction spontaneous at this temperature?
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