At 298 K, evaluate deltaG(kJ) and deltaE (V) for
2CH3OH(l) + 3O2(g) -> 4H2O(g) + 2CO2(g)
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At 298 K, evaluate deltaG(kJ) and deltaE (V) for
2CH3OH(l) + 3O2(g) -> 4H2O(g) + 2CO2(g)...
(2) (24 pts) A fuel cell produces electricity via a combustion reaction. A DMFC is a...
(2) (24 pts) A fuel cell produces electricity via a combustion reaction. A DMFC is a proton-exchange fuel cell that uses methanol CH3OH) as the fuel, which reacts with molecular oxygen to produce carbon dioxide and water. (a) (4 pts) Write the balanced combustion reaction for this methanol fuel cell. (b) (4 pts) Write the balanced half-reactions occurring at the cathode and anode of this fuel cell (assume standard acidic conditions) (e) (4 pts) Evaluate AGº (kJ) and AE° (V)...
(2) (24 pts) A fuel cell produces electricity via a combustion reaction. A DMFC is a...
(2) (24 pts) A fuel cell produces electricity via a combustion reaction. A DMFC is a proton-exchange fuel cell that uses methanol CH OH() as the fuel, which reacts with molecular oxygen to produce carbon dioxide and water. (a) (4 pts) Write the balanced combustion reaction for this methanol fuel cell (b) (4 pts) Write the balanced half-reactions occurring at the cathode and anode of this fuel cell (assume standard acidic conditions). (c) (4 pts) Evaluate AG° (kJ) and AE...
For the following reaction: 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l) Compound ΔH°f (kJ mol-1)...
For the following reaction: 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l) Compound ΔH°f (kJ mol-1) S° (J mol-1 K-1) CH3OH (l) -238.40 127.19 O2 (g) 0.00 205.70 CO2 (g) -393.51 213.74 H2O (l) -285.83 69.91 Determine the temperature (to two decimal places in K) such that the reaction is in equilibrium in its standard states.
Methanol (CH3OH) burns according to the equation 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l), ΔH°rxn =...
Methanol (CH3OH) burns according to the equation 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l), ΔH°rxn = –1454 kJ/mol. A) How much heat, in kilojoules, is given off when 150.0 g of methanol is burned? [ Select ] B) How many grams of CO2 are produced when the amount of heat determined in part A is released? [ Select ] Molar masses: CH3OH = 32.04 g/mol O2 = 32.00 g/mol CO2 = 44.01 g/mol H2O = 18.02 g/mol
12. Using the data: CH«(9), AH; = +51.9 kJ mor', sº = 219.8 J mor' k'...
12. Using the data: CH«(9), AH; = +51.9 kJ mor', sº = 219.8 J mor' k' CO2(g), AH = -394.0 kJ mor', sº = 213.6 J mor' k' H2O(), AH = -286.0 kJ mor', sº = 69.96 J mor'' O2(g), AH = 0.00 kJ mor', sº = 205 J mor'' calculate the maximum amount of useful work that can be obtained, at 25.0 °C, from the process: C2H4(9) + 3 O2(g) → 2 CO2(g) + 2 H2O(1) a. 1332 kJ...
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for...
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for : Mark 1.00 out of 1.00 2002(g) +4H2O(1) ► 2CH3OH(1) + 302(g) P Flag question Answer: 1404.84 Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AGⓇ =AH°-TAS and assume AH° and AS are independent of temperature. P Flag question (Theis...
step by step please 1/1 pts Question 12 Thermodynamic Quantities for Selected Substances at 298.15 K...
step by step please
1/1 pts Question 12 Thermodynamic Quantities for Selected Substances at 298.15 K (25°C) Substance ΔΗ°F (kJ/mol) AGOF (kJ/mol S (J/K- mol) 1.88 2.84 2.43 5.69 C (s, diamond) C(s. graphite) C2H2(g) C2H4 (8) C2H6 (g) CO(g) CO2 (g) H2(g) O2(g) H2O(0) 226.7 52.30 -84.68 -110.5 -393.5 0 0 -285.83 209.2 200.8 68.11 219.4 -32.89 229.5 -137.2 197.9 -394.4 213.6 0 130.58 0 205.0 -237.13 69.91 The value of AH°for the catalytic hydrogenation of acetylene to ethane,...
Use the data found in the Thermodynamic Values link under Reference Materials to calculate ΔHo (KJ),...
Use the data found in the Thermodynamic Values
link under Reference Materials to calculate
ΔHo (KJ), ΔSo (J/K) and
ΔGo(KJ) and ΔGo from the
equation ΔGo ≈ ΔHo - TΔSo
at 25.0 oC for
1. 1
C2H5OH(g) + ___ O2
(g) → ___ CO2 (g) + ___
H2O (g) (Do not change
a coefficient that is shown)
2. 2 C4H10 (l) + ___
O2 (g) → ___ CO2 (g) +
___ H2O (g) (Do not
change a coefficient that is shown)
3. C2H5OH
(l) → C2H4
(g) + H2O
(g) ...
Use the data found in the Thermodynamic Values link under Reference Materials to calculate ΔHo (KJ),...
Use the data found in the Thermodynamic Values
link under Reference Materials to calculate
ΔHo (KJ), ΔSo (J/K) and
ΔGo(KJ) and ΔGo from the
equation ΔGo ≈ ΔHo - TΔSo
at 25.0 oC for
1. C2H5OH
(g) → C2H4
(g) + H2O (l)
2. 2 C4H10
(l) + ___ O2 (g) → ___
CO2 (g) + ___ H2O
(l) (Do not change a coefficient
that is shown)
3. 2 C4H10 (g) + ___ O2
(g) → ___ CO2 (g) + ___
H2O (l) (Do not change
a coefficient that...
please explain step by step. 1. Using the data in Study Sheet No. 34, calculate the...
please explain step by step.
1. Using the data in Study Sheet No. 34, calculate the following for the combus- tion of 1.00 mole of C H (1) at 25°C. AH, C H (1) = 49.04 kJ/mol. a) The heat flow at a constant pressure of 1.00 atm. b) The heat flow at constant volume. c) The work at a constant pressure of 1.00 atm. d) The work at a constant volume. bordo APPENDIXO-GENERAL CHEMISTRY STUDY SHEETS GENERAL CHEMISTRY STUDY...
(2) (24 pts) A fuel cell produces electricity via a combustion reaction. A DMFC is a proton-exchange fuel cell that uses methanol CH3OH) as the fuel, which reacts with molecular oxygen to produce carbon dioxide and water. (a) (4 pts) Write the balanced combustion reaction for this methanol fuel cell. (b) (4 pts) Write the balanced half-reactions occurring at the cathode and anode of this fuel cell (assume standard acidic conditions) (e) (4 pts) Evaluate AGº (kJ) and AE° (V)...
(2) (24 pts) A fuel cell produces electricity via a combustion reaction. A DMFC is a proton-exchange fuel cell that uses methanol CH OH() as the fuel, which reacts with molecular oxygen to produce carbon dioxide and water. (a) (4 pts) Write the balanced combustion reaction for this methanol fuel cell (b) (4 pts) Write the balanced half-reactions occurring at the cathode and anode of this fuel cell (assume standard acidic conditions). (c) (4 pts) Evaluate AG° (kJ) and AE...
12. Using the data: CH«(9), AH; = +51.9 kJ mor', sº = 219.8 J mor' k' CO2(g), AH = -394.0 kJ mor', sº = 213.6 J mor' k' H2O(), AH = -286.0 kJ mor', sº = 69.96 J mor'' O2(g), AH = 0.00 kJ mor', sº = 205 J mor'' calculate the maximum amount of useful work that can be obtained, at 25.0 °C, from the process: C2H4(9) + 3 O2(g) → 2 CO2(g) + 2 H2O(1) a. 1332 kJ...
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for : Mark 1.00 out of 1.00 2002(g) +4H2O(1) ► 2CH3OH(1) + 302(g) P Flag question Answer: 1404.84 Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AGⓇ =AH°-TAS and assume AH° and AS are independent of temperature. P Flag question (Theis...
step by step please
1/1 pts Question 12 Thermodynamic Quantities for Selected Substances at 298.15 K (25°C) Substance ΔΗ°F (kJ/mol) AGOF (kJ/mol S (J/K- mol) 1.88 2.84 2.43 5.69 C (s, diamond) C(s. graphite) C2H2(g) C2H4 (8) C2H6 (g) CO(g) CO2 (g) H2(g) O2(g) H2O(0) 226.7 52.30 -84.68 -110.5 -393.5 0 0 -285.83 209.2 200.8 68.11 219.4 -32.89 229.5 -137.2 197.9 -394.4 213.6 0 130.58 0 205.0 -237.13 69.91 The value of AH°for the catalytic hydrogenation of acetylene to ethane,...
Use the data found in the Thermodynamic Values
link under Reference Materials to calculate
ΔHo (KJ), ΔSo (J/K) and
ΔGo(KJ) and ΔGo from the
equation ΔGo ≈ ΔHo - TΔSo
at 25.0 oC for
1. 1
C2H5OH(g) + ___ O2
(g) → ___ CO2 (g) + ___
H2O (g) (Do not change
a coefficient that is shown)
2. 2 C4H10 (l) + ___
O2 (g) → ___ CO2 (g) +
___ H2O (g) (Do not
change a coefficient that is shown)
3. C2H5OH
(l) → C2H4
(g) + H2O
(g) ...
Use the data found in the Thermodynamic Values
link under Reference Materials to calculate
ΔHo (KJ), ΔSo (J/K) and
ΔGo(KJ) and ΔGo from the
equation ΔGo ≈ ΔHo - TΔSo
at 25.0 oC for
1. C2H5OH
(g) → C2H4
(g) + H2O (l)
2. 2 C4H10
(l) + ___ O2 (g) → ___
CO2 (g) + ___ H2O
(l) (Do not change a coefficient
that is shown)
3. 2 C4H10 (g) + ___ O2
(g) → ___ CO2 (g) + ___
H2O (l) (Do not change
a coefficient that...
please explain step by step.
1. Using the data in Study Sheet No. 34, calculate the following for the combus- tion of 1.00 mole of C H (1) at 25°C. AH, C H (1) = 49.04 kJ/mol. a) The heat flow at a constant pressure of 1.00 atm. b) The heat flow at constant volume. c) The work at a constant pressure of 1.00 atm. d) The work at a constant volume. bordo APPENDIXO-GENERAL CHEMISTRY STUDY SHEETS GENERAL CHEMISTRY STUDY...
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