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7. Use the following thermochemical data to identify which statement is true pertaining to the reaction...
The following questions refer to the following reaction at 25°C and 1 atm. 2Fe(s) + (3/2)O2(g)...
The following questions refer to the following reaction at 25°C and 1 atm. 2Fe(s) + (3/2)O2(g) + 3H2O(1) ► 2Fe(OH)3(3) AH = -789 kJ/mol Substance Fe(OH)3(S) Fe(s) O2(g) H2O(1) Sº (J/mol K) 107 27 205 70 7. Determine ASgurr for the reaction (in kJ/mol K) A) 3.14 B) 0.937 C) 0.378 D) 1.31 E) 2.65 8. Determine ASuniv for the reaction (in kJ/mol K) A) 0.23 B) 2.3 C) 0.36 D) 2.8 E) 3.6
The following question (10,11) refere to the following reaction at constant 25C and 1 atm. -...
The following question (10,11) refere to the following reaction
at constant 25C and 1 atm.
- 6 Q © 2.17 A mh o © 135% T worumu - nu The following questions (10 & 11) refer to the following reaction at constant 25°C and 1 atm. AH =-791 kJ/mol 27 2Fe(s) + (3/2)02(g) + 3H2O(1) ► 2Fe(OH)3(s) Substance Sº (J/mol K) Fe(OH),(s) 107 Fe(s) 02(g) 205 H2O(1) 10. Determine ASgurr for the reaction (in kJ/mol K) A) 3.14 B) 0.937...
8:09 • LIE Question 7 of 10 Submit Which of the following is true for a...
8:09 • LIE Question 7 of 10 Submit Which of the following is true for a particular reaction if AGº is -40.0 kJ/ mol at 290 K and -20.0 kJ/mol at 390 K? A) AH >0, AS > 0 B) AH < 0, AS < 0 C) AH > 0, AS < 0 D) AH < 0, AS > 0 E) None of these
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...
What is the value of△Go at Amn 25 °C for the reaction -98.8 kJTmo 1-1 141.5...
What is the value of△Go at Amn 25 °C for the reaction -98.8 kJTmo 1-1 141.5 Jmol-1.K-1 55. below? 2Fe(s) + 3H20(g) → FeO(s) + 3H2(g) (A) 4.21x10 kJ-mol1 (B)-56.6 kJ-mol-1 (C)-95.3 kJ-mol-1 (D) -141 kJ-mol- AOr (kJ-mol-1) | What is the value of△Gof of s02(g) using the information to。(g) 0.0 the right and below? 2SO2(g) + O2(g) → 2SOg(g) Δ0%,--142.0 kJ-mol-1 56. SO(g) -371.1 (A) -884.2 kJ-mol-1 (C) 442.1 kJ-mol1 (B) -600.2 kJ-mol-1 (D) -300.1 kJ-mol-1 57. What can...
4. The gas-phase dehydrogenation of propanol (A) to yield propionaldehyde (B) is in equilibrium at 230°C. Standard thermodynamic data for the reaction species at 298 K are: Propanol: Propionaldehyde...
4. The gas-phase dehydrogenation of propanol (A) to yield propionaldehyde (B) is in equilibrium at 230°C. Standard thermodynamic data for the reaction species at 298 K are: Propanol: Propionaldehyde : H.,--186 k/moi s'u-304.40 J/(mol K) Dihydrogen: H A -256 kJ/molSA 322.49 J/(mol K) Soc 130.68 J/(mol K) ) (4 points) Evaluate the standard enthalpy change of reaction (AH)at 298 K. ii (6 points Calculate the equilibrium constant at 298 K ) (8 points) Determine the equilibrium constant for this reaction...
Consider the reaction 2N205(a) <-> 4NO2(g) + O2(a) at 25°C for which the following data are...
Consider the reaction 2N205(a) <-> 4NO2(g) + O2(a) at 25°C for which the following data are relevant: AHF N205 11.289 kJ/mol 355.28 J/K mol NO2 33.150 kJ/mol 239.90 J/K mol 02 0kJ/mol 204.80 J/K mol a. Predict the sign of AS for the reaction and explain your reasoning. b. Calculate AS" for the reaction. c. Calculate AH for the reaction. d. Calculate AG for the reaction at 25°C. e. Will the reaction be spontaneous at no temperature, low temperatures only,...
Consider the reaction, NH3 (8) H HC ENH1G(s) Given the following table of thermodynamic data at...
Consider the reaction, NH3 (8) H HC ENH1G(s) Given the following table of thermodynamic data at 298 K: Substana | AH¢{kj/mol | Sº C/K-mol) NH3 (5) 16:19 192.5 HCl (8) 92150 186,69 NHCl (s) 13144 94.6 The value of K for the reaction at 25°C is
MAIN QUESTIO Given the following thermodynamic data calculate AS for the following reaction at 25°C and...
MAIN QUESTIO Given the following thermodynamic data calculate AS for the following reaction at 25°C and 1 atm: XeF(9) —— XeFe(s) + Fz(9) AH®: (kJ/mol) S (J/K-mol) XeF6(9) -294 300. XeF(s) -251 146 F2(g) 10 203
8. For the following reaction, CC2(s) + 2H2O(l) + Ca(OH)2(s) + C2H2(g) which is spontaneous at all temperatures, on...
8. For the following reaction, CC2(s) + 2H2O(l) + Ca(OH)2(s) + C2H2(g) which is spontaneous at all temperatures, one would predict that a. AG is positive for all temperatures. d. AH is - and AS is for the reaction. b. AH is + and AS is for the reaction. e. AH is + and AS' is- for the reaction. c. AH is - and AS is for the reaction. 9. Calculate the standard absolute entropy, in J/mol K. of Mg:...
The following questions refer to the following reaction at 25°C and 1 atm. 2Fe(s) + (3/2)O2(g) + 3H2O(1) ► 2Fe(OH)3(3) AH = -789 kJ/mol Substance Fe(OH)3(S) Fe(s) O2(g) H2O(1) Sº (J/mol K) 107 27 205 70 7. Determine ASgurr for the reaction (in kJ/mol K) A) 3.14 B) 0.937 C) 0.378 D) 1.31 E) 2.65 8. Determine ASuniv for the reaction (in kJ/mol K) A) 0.23 B) 2.3 C) 0.36 D) 2.8 E) 3.6
The following question (10,11) refere to the following reaction
at constant 25C and 1 atm.
- 6 Q © 2.17 A mh o © 135% T worumu - nu The following questions (10 & 11) refer to the following reaction at constant 25°C and 1 atm. AH =-791 kJ/mol 27 2Fe(s) + (3/2)02(g) + 3H2O(1) ► 2Fe(OH)3(s) Substance Sº (J/mol K) Fe(OH),(s) 107 Fe(s) 02(g) 205 H2O(1) 10. Determine ASgurr for the reaction (in kJ/mol K) A) 3.14 B) 0.937...
8:09 • LIE Question 7 of 10 Submit Which of the following is true for a particular reaction if AGº is -40.0 kJ/ mol at 290 K and -20.0 kJ/mol at 390 K? A) AH >0, AS > 0 B) AH < 0, AS < 0 C) AH > 0, AS < 0 D) AH < 0, AS > 0 E) None of these
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...
What is the value of△Go at Amn 25 °C for the reaction -98.8 kJTmo 1-1 141.5 Jmol-1.K-1 55. below? 2Fe(s) + 3H20(g) → FeO(s) + 3H2(g) (A) 4.21x10 kJ-mol1 (B)-56.6 kJ-mol-1 (C)-95.3 kJ-mol-1 (D) -141 kJ-mol- AOr (kJ-mol-1) | What is the value of△Gof of s02(g) using the information to。(g) 0.0 the right and below? 2SO2(g) + O2(g) → 2SOg(g) Δ0%,--142.0 kJ-mol-1 56. SO(g) -371.1 (A) -884.2 kJ-mol-1 (C) 442.1 kJ-mol1 (B) -600.2 kJ-mol-1 (D) -300.1 kJ-mol-1 57. What can...
4. The gas-phase dehydrogenation of propanol (A) to yield propionaldehyde (B) is in equilibrium at 230°C. Standard thermodynamic data for the reaction species at 298 K are: Propanol: Propionaldehyde : H.,--186 k/moi s'u-304.40 J/(mol K) Dihydrogen: H A -256 kJ/molSA 322.49 J/(mol K) Soc 130.68 J/(mol K) ) (4 points) Evaluate the standard enthalpy change of reaction (AH)at 298 K. ii (6 points Calculate the equilibrium constant at 298 K ) (8 points) Determine the equilibrium constant for this reaction...
Consider the reaction 2N205(a) <-> 4NO2(g) + O2(a) at 25°C for which the following data are relevant: AHF N205 11.289 kJ/mol 355.28 J/K mol NO2 33.150 kJ/mol 239.90 J/K mol 02 0kJ/mol 204.80 J/K mol a. Predict the sign of AS for the reaction and explain your reasoning. b. Calculate AS" for the reaction. c. Calculate AH for the reaction. d. Calculate AG for the reaction at 25°C. e. Will the reaction be spontaneous at no temperature, low temperatures only,...
Consider the reaction, NH3 (8) H HC ENH1G(s) Given the following table of thermodynamic data at 298 K: Substana | AH¢{kj/mol | Sº C/K-mol) NH3 (5) 16:19 192.5 HCl (8) 92150 186,69 NHCl (s) 13144 94.6 The value of K for the reaction at 25°C is
MAIN QUESTIO Given the following thermodynamic data calculate AS for the following reaction at 25°C and 1 atm: XeF(9) —— XeFe(s) + Fz(9) AH®: (kJ/mol) S (J/K-mol) XeF6(9) -294 300. XeF(s) -251 146 F2(g) 10 203
8. For the following reaction, CC2(s) + 2H2O(l) + Ca(OH)2(s) + C2H2(g) which is spontaneous at all temperatures, one would predict that a. AG is positive for all temperatures. d. AH is - and AS is for the reaction. b. AH is + and AS is for the reaction. e. AH is + and AS' is- for the reaction. c. AH is - and AS is for the reaction. 9. Calculate the standard absolute entropy, in J/mol K. of Mg:...
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