1. Based on the standard free energies of formation, which of the following reactions represent a...
1. Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product?
N2(g)+H2(g)?N2H4(g); ?G?f=159.3 kJ/mol
2Na(s)+O2(g)?Na2O2(s); ?G?f=?447.7 kJ/mol
C(s)+2S(s)?CS2(g); ?G?f=67.1 kJ/mol
Ca(s)+12O2(g)?CaO(s); ?G?f=?604.0 kJ/mol
Feasible synthesis
Not a feasible synthesis
Homework Answers
If a to be feasible Delta G should be negative.
From the given reactions, 2&4 only have negative values hence feasible
While 1&3 have positive Delta G value hence not feasible.
Add Answer to:
1. Based on the standard free energies of formation, which of
the following reactions represent a...
Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesi...
Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? A. N2(g)+2O2(g)→2NO2(g); ΔG∘f=102.6 kJ/mol B. 2Na(s)+O2(g)→Na2O2(s); ΔG∘f=−451.0 kJ/mol C. C(s)+2S(s)→CS2(g); ΔG∘f=67.10 kJ/mol D. Ca(s)+12O2(g)→CaO(s); ΔG∘f=−604.0 kJ/mol Drag the appropriate items to their respective bins. Bin 1: Feasible synthesis Bin 2: Not a feasible synthesis
Based on the standard free energies of formation, which of the following reactions represent a feasible...
Based
on the standard free energies of formation, which of the following
reactions represent a feasible way to synthesize the product? Drag
the appropriate items to their respective bins.
Reset Help 2Na(s) + O2(g) +Na2O2(s) AGE = -451.0 kJ/mol 2CO(g) + O2(g)+2C02(g) AGE = -788.0 kJ/mol N2(g) + O2(g) +2NO(g) AGE = 173.2 kJ/mol 2C(s) + H2(g) +C2H2(g) AGE = 209.2 kJ/mol Feasible synthesis Not a feasible synthesis
Part A Based on the standard free energies of formation, which of the following reactions represent a feasible way to...
Part A Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help 2C(s) +2H2(g)- C2H4(g) AG-68.20 k.J/mol N2(g) +3H2(g)-+2NH3(g) AGE 33.30 kJ/mol 2CO(g) +O2(g)-+2CO2(g) AG788.0 kJ/mol N2(g) + H2(g)-N2H4(g) AGe 159.3 k.J/mol Feasible synthesis Not a feasible synthesis Submit
Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesi...
Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? A. N2(g)+2O2(g)?2NO2(g); ?G?f=102.6 kJ/mol B. 2Na(s)+O2(g)?Na2O2(s); ?G?f=?451.0 kJ/mol C. N2(g)+O2(g)?2NO(g); ?G?f=173.2 kJ/mol D. 2CO(g)+O2(g)?2CO2(g); ?G?f=?788.0 kJ/mol
Part A Based on the standard free energies of formation, which of the following reactions represent...
Part A Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? Drag the appropriate items to their respective bins. View Available Hint(s) Help Reset 2CO(g)+02(8)+2CO2 (g) AG=-788.0 kJ/mol N2 (g)+O2(g)-2NO (g) AG= 173.2 kJ/mol 2Na(s)+02(8) -Na, O, (s) AGi=-451.0 kJ/mol 2C(s)+ H2(g)-C2H2 (8) 209.2 kJ/mol AGi Not a feasible synthesis Feasible synthesis
Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesi...
Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? A. 2C(s)+H2(g)→C2H2(g); ΔG∘f=209.2 kJ/mol B. N2(g)+3H2(g)→2NH3(g); ΔG∘f=−33.30 kJ/mol C. 2C(s)+2H2(g)→C2H4(g); ΔG∘f=68.20 kJ/mol D. 2SO(g)+O2(g)→2SO2(g); ΔG∘f=−600.4 kJ/mol Drag the appropriate items to their respective bins: Feasible Synthesis, or Non-feasible Synthesis
Starting with the standard free energies of formation from the following table, calculate the values of...
Starting with the standard free energies of formation from the
following table, calculate the values of ΔG° and E°cell of the
following reactions.
Substance
ΔΔG°f
(kJ/mol)
FeO(s)
-255.2
H2(g)
0
Fe(s)
0
H2O(l)
-237.2
Pb(s)
0
O2(g)
0
H2SO4(aq)
-744.5
PbSO4(s)
-813.0
1) FeO(s) +H2(g) ----Fe(s) +H2O(l)
change in G=18kj
E Cell= v
2) 2Pb(s)+O2(g)+2H2SO4(aq)--------2PbSO4(s)+2H2O(l)
change in G=-611.4
E°cell
= V
Calculate ΔG° for the following reactions at 25°C using the standard free energies of formation of...
Calculate ΔG° for the following reactions at 25°C using the standard free energies of formation of the reactants and products. CS2(l) → CS2(g)
Determine the standard enthalpy of formation of calcium carbonate from the thermochemical equations given below.
Determine the standard enthalpy of formation of calcium carbonate from the thermochemical equations given below.Ca(OH)2(s) → CaO(s) + H2O()ΔrH° = 65.2 kJ/mol-rxnCa(OH)2(s) + CO2(g) → CaCO3(s) + H2O()ΔrH° = −113.8 kJ/mol-rxnC(s) + O2(g) → CO2(g)ΔrH° = −393.5 kJ/mol-rxn2 Ca(s) + O2(g) → 2 CaO(s)ΔrH° = −1270.2 kJ/mol-rxna.−1712.3 kJ/mol-rxnb.−1207.6 kJ/mol-rxnc.−980.6 kJ/mol-rxnd.−849.6 kJ/mol-rxne.−441.8 kJ/mol-rxn
Part A. Given the bond dissociation energies (in kJ/mol) for the following diatomic molecules Cl2 (243),...
Part A. Given the bond dissociation energies (in kJ/mol) for the following diatomic molecules Cl2 (243), F2 (158), H2 (436), O2 (498), N2 (945) choose the one(s) that could be broken by using blue light (λ=465 nm). Part B. Given the bond energies (in kJ/mol) of the following bonds: F–F (155), F–Cl (193), and Cl–Cl (243), estimate the molar enthalpy of formation of ClF(g), that is find ∆H for the following reaction ½Cl2(g) + ½F2(g) → ClF(g)
Based
on the standard free energies of formation, which of the following
reactions represent a feasible way to synthesize the product? Drag
the appropriate items to their respective bins.
Reset Help 2Na(s) + O2(g) +Na2O2(s) AGE = -451.0 kJ/mol 2CO(g) + O2(g)+2C02(g) AGE = -788.0 kJ/mol N2(g) + O2(g) +2NO(g) AGE = 173.2 kJ/mol 2C(s) + H2(g) +C2H2(g) AGE = 209.2 kJ/mol Feasible synthesis Not a feasible synthesis
Part A Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help 2C(s) +2H2(g)- C2H4(g) AG-68.20 k.J/mol N2(g) +3H2(g)-+2NH3(g) AGE 33.30 kJ/mol 2CO(g) +O2(g)-+2CO2(g) AG788.0 kJ/mol N2(g) + H2(g)-N2H4(g) AGe 159.3 k.J/mol Feasible synthesis Not a feasible synthesis Submit
Part A Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? Drag the appropriate items to their respective bins. View Available Hint(s) Help Reset 2CO(g)+02(8)+2CO2 (g) AG=-788.0 kJ/mol N2 (g)+O2(g)-2NO (g) AG= 173.2 kJ/mol 2Na(s)+02(8) -Na, O, (s) AGi=-451.0 kJ/mol 2C(s)+ H2(g)-C2H2 (8) 209.2 kJ/mol AGi Not a feasible synthesis Feasible synthesis
Starting with the standard free energies of formation from the
following table, calculate the values of ΔG° and E°cell of the
following reactions.
Substance
ΔΔG°f
(kJ/mol)
FeO(s)
-255.2
H2(g)
0
Fe(s)
0
H2O(l)
-237.2
Pb(s)
0
O2(g)
0
H2SO4(aq)
-744.5
PbSO4(s)
-813.0
1) FeO(s) +H2(g) ----Fe(s) +H2O(l)
change in G=18kj
E Cell= v
2) 2Pb(s)+O2(g)+2H2SO4(aq)--------2PbSO4(s)+2H2O(l)
change in G=-611.4
E°cell
= V
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