Homework Answers
Maximum non-expansion work = change in Gibbs free energy
= sum of Gibbs energy of products - Sum of gibbs energy of reactants
= (2 * -394.36 + 4 * -273.13) - (2 * -161.96 ) = -1557.32 J
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7. Calculate the maximum non-expansion work per mole that may be obtained from the combustion of...
9. Calculate both the maximum amount of non-P-V work and maximum amount of work per mole...
9. Calculate both the maximum amount of non-P-V work and maximum amount of work per mole that can be obtained from a fuel cell that is based on the combustion of propane at 298 K. (15 pts) Substance (combustion) AH,xº (kJ/mol) San (J/K-mol) CH56 -2220 -169.6 CHx ( + 502 → __C02( + __H20 m
Heres the question, show work please! Calculate the enthalpy of combustion per mole for C6H12O6. Assume that the comb...
Heres the question, show work please! Calculate the enthalpy of
combustion per mole for C6H12O6. Assume that the combustion
products are CO2(g) and H2O(l).
Calculate the
enthalpy of combustion per mole for C6H12O6. Assume that the combustion
products are CO2(g) and H2O(l).
-2816
kJ/mol
-5336
kJ/mol
-1939
kJ/mol
580.7
kJ/mol
Heres the question, show work please! Calculate the enthalpy of combustion per mole for C6H12O6. Assume that the combustion products are CO2(g) and H2O(l).
Methanol, CH3OH (l), combusts according to the following equation: 2 CH3OH (l) + 3 O2 (g)...
Methanol, CH3OH (l), combusts according to the following equation: 2 CH3OH (l) + 3 O2 (g) → 2 CO2 (g) + 4 H2O (l) ∆rHo (298 K) = −1452 kJ Here is a list of Entropies of formation: S (J K-1 mol-1) at 298 K CH3OH (l) =126.8 O2 (g) = 205.14 CO2 (g) = 213.74 H2O = (l) 69.91 (a) If the above reaction was used in a fuel cell, say, to perform work, what will be the maximum...
lowing reaction and calculate the AHⓇ for NO. 7. Consider the following reaction and calculate the...
lowing reaction and calculate the AHⓇ for NO. 7. Consider the following reaction and calculate the 2NO(g) + Oxg) - 2NO:8) AHⓇNO.(g) - 33.85 kj/mole, AH = -113.0 kj 8. Methanol (CH,OH) is used as a fuel in high-performance engines in racecars. Compare the standard enthalpy of combustion per gram of methanol with that per gram of gasoline. Gasoline is actually a mixture of compounds, but assume for this problem that gasoline is pure liquid octane (CH). Compound CH,OH(D) CO....
(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...
Page 2 of 7 Chem 1 Exercise # 3 Calculate the ΔΗ0n for the combustion of...
Page 2 of 7 Chem 1 Exercise # 3 Calculate the ΔΗ0n for the combustion of C6H6(1) at 25°C given the ΔΗ f values below Substance AHf (kJ/mol) CH(1) CO2(g) +49.0 -393.5 -285.8 | Given the following reactions: BCl3(g) 3 H2O0) H3BO3(s) 3 HCI(g) H-112.5 kJ 52H6(g) + 6 H20) 2 HsBOs(s) 6 H2(g) H -493.4 kJ H -185.0 kJ H2(g) Cl2(g)4 Hl(g) Calculate the value of AH for the reaction BaHe(g) 6 Clalg)2 2 BCls(g) + 6 HCI(g) An...
(a) A muscle can be thought of as a fuel cell, producing work from the metabolism...
(a) A muscle can be thought of as a fuel cell, producing work from the metabolism of glucose (C6H1206): C6H1206 (glucose) +202(9) + 2H2O(l) + CO2(g). (0.1) Here g and I refer to the gaseous and liquid states, respectively. Using data given in the table, please determine the values of AH and AG for this reaction for one mole of glucose, assuming that the reaction takes place at room temperature and atmospheric pressure. Substance CH 20. (glucose) 0 (9) H200...
(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)...
can you do the 7 and 9 ? can you also show and explain me step...
can you do the 7 and 9 ? can you also show and explain
me step by step?
D. 49.6 kJ E. 57.3 kJ 7. Butane (C4H10) undergoes combustion in excess oxygen to generate gaseous carbon dioxide and water. Given AH° [C4H10(g)] = -124.7 kJ/mol, AH° [CO2(g)] = -393.5 kJ/mol, AH [H2O(g)] = -241.8 kJ/mol, how much energy is released (kJ) when 8.30 g of butane is burned? Combustion of butane: 2 CH2(g) + 13 O2(g) → 8 CO2(g) +...
p1 P1. Write a balanced chemical equation for each combustion reaction. Assume that combustion is complete. The fo...
p1
P1. Write a balanced chemical equation for each combustion reaction. Assume that combustion is complete. The formulas and the line-bond structures for the compounds are given on the previous page. Write your equations so that liquid water is one of the products. Ethanol: Ethyl acetate: mm For onoh fuol'c combuetion reaction fill in the tables belo for the number of each AHr = [(4 x 413 kJ/mol for the C-H bonds in one mole of methane)+ (2 x 495...
9. Calculate both the maximum amount of non-P-V work and maximum amount of work per mole that can be obtained from a fuel cell that is based on the combustion of propane at 298 K. (15 pts) Substance (combustion) AH,xº (kJ/mol) San (J/K-mol) CH56 -2220 -169.6 CHx ( + 502 → __C02( + __H20 m
Heres the question, show work please! Calculate the enthalpy of
combustion per mole for C6H12O6. Assume that the combustion
products are CO2(g) and H2O(l).
Calculate the
enthalpy of combustion per mole for C6H12O6. Assume that the combustion
products are CO2(g) and H2O(l).
-2816
kJ/mol
-5336
kJ/mol
-1939
kJ/mol
580.7
kJ/mol
Heres the question, show work please! Calculate the enthalpy of combustion per mole for C6H12O6. Assume that the combustion products are CO2(g) and H2O(l).
lowing reaction and calculate the AHⓇ for NO. 7. Consider the following reaction and calculate the 2NO(g) + Oxg) - 2NO:8) AHⓇNO.(g) - 33.85 kj/mole, AH = -113.0 kj 8. Methanol (CH,OH) is used as a fuel in high-performance engines in racecars. Compare the standard enthalpy of combustion per gram of methanol with that per gram of gasoline. Gasoline is actually a mixture of compounds, but assume for this problem that gasoline is pure liquid octane (CH). Compound CH,OH(D) CO....
(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...
Page 2 of 7 Chem 1 Exercise # 3 Calculate the ΔΗ0n for the combustion of C6H6(1) at 25°C given the ΔΗ f values below Substance AHf (kJ/mol) CH(1) CO2(g) +49.0 -393.5 -285.8 | Given the following reactions: BCl3(g) 3 H2O0) H3BO3(s) 3 HCI(g) H-112.5 kJ 52H6(g) + 6 H20) 2 HsBOs(s) 6 H2(g) H -493.4 kJ H -185.0 kJ H2(g) Cl2(g)4 Hl(g) Calculate the value of AH for the reaction BaHe(g) 6 Clalg)2 2 BCls(g) + 6 HCI(g) An...
(a) A muscle can be thought of as a fuel cell, producing work from the metabolism of glucose (C6H1206): C6H1206 (glucose) +202(9) + 2H2O(l) + CO2(g). (0.1) Here g and I refer to the gaseous and liquid states, respectively. Using data given in the table, please determine the values of AH and AG for this reaction for one mole of glucose, assuming that the reaction takes place at room temperature and atmospheric pressure. Substance CH 20. (glucose) 0 (9) H200...
(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)...
can you do the 7 and 9 ? can you also show and explain
me step by step?
D. 49.6 kJ E. 57.3 kJ 7. Butane (C4H10) undergoes combustion in excess oxygen to generate gaseous carbon dioxide and water. Given AH° [C4H10(g)] = -124.7 kJ/mol, AH° [CO2(g)] = -393.5 kJ/mol, AH [H2O(g)] = -241.8 kJ/mol, how much energy is released (kJ) when 8.30 g of butane is burned? Combustion of butane: 2 CH2(g) + 13 O2(g) → 8 CO2(g) +...
p1
P1. Write a balanced chemical equation for each combustion reaction. Assume that combustion is complete. The formulas and the line-bond structures for the compounds are given on the previous page. Write your equations so that liquid water is one of the products. Ethanol: Ethyl acetate: mm For onoh fuol'c combuetion reaction fill in the tables belo for the number of each AHr = [(4 x 413 kJ/mol for the C-H bonds in one mole of methane)+ (2 x 495...
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