For each of the following reactions, identify whether the reactants or the products would have more potential energy. • 0 • C(s) + 2H₂O(g) + 90.1 kJ → 2CO₂(g) + 2H₂(9) CO(g) + H₂O(g)2CO₂(g) + 2H₂(g) + 41.2 kJ C₂H₂OH(I) + 30₂(9) 2CO₂(g) + 3H₂O(g) C3H8(9) + 6H₂O(g) → 3CO₂(g) + 10H₂(g) AH = -514.1 kJ ACH +374.1 kJ

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For each of the following reactions, identify whether the reactants or the products would have more potential energy.
+
C(s) + 2H₂O(g) + 90.1 kJ → 2CO2(g) + 2H₂(9)
CO(g) + H₂O(g) - 2CO₂(g) + 2H₂(g) + 41.2 kJ
C₂H₂OH(I) + 30₂(9) - 2C0₂(g) + 3H₂O(g)
C3H8(9) + 6H₂O(g) → 3CO₂(g) + 10H₂(g)
Use the following to answer the next 3 questions.
The smelting of iron occurs in a blast furnace, as represented by the following overall equation.
Step I 3Fe2O3(s) + CO(g) - CO₂(g) + 2Fe3O4(s) A+H° = -47.2 kJ
Step II Fe₂O4(s) + CO(g) - CO₂(g) + 3FeO(s)
A,H+19.4 kJ
Step III FeO(s) + CO(g) - CO₂(g) + Fe(s)
AH = -11.0 kJ
The molar enthalpy of reaction for Fe₂O3(s) in the reaction represented by Step I is
Record your 3-digit answer. Include sign; do not include units.
Potential Energy
(kJ)
AH-514.1 kJ
Reactants
ACH° +374.1 kJ
Which steps in the above process can be represented by the following potential energy diagram?
Select one:
O Step II only
O Steps I and III
O Steps I, II and III
O None of the above steps
Products
Reaction Pathway
•
kJ/mol
Transcribed Image Text:For each of the following reactions, identify whether the reactants or the products would have more potential energy. + C(s) + 2H₂O(g) + 90.1 kJ → 2CO2(g) + 2H₂(9) CO(g) + H₂O(g) - 2CO₂(g) + 2H₂(g) + 41.2 kJ C₂H₂OH(I) + 30₂(9) - 2C0₂(g) + 3H₂O(g) C3H8(9) + 6H₂O(g) → 3CO₂(g) + 10H₂(g) Use the following to answer the next 3 questions. The smelting of iron occurs in a blast furnace, as represented by the following overall equation. Step I 3Fe2O3(s) + CO(g) - CO₂(g) + 2Fe3O4(s) A+H° = -47.2 kJ Step II Fe₂O4(s) + CO(g) - CO₂(g) + 3FeO(s) A,H+19.4 kJ Step III FeO(s) + CO(g) - CO₂(g) + Fe(s) AH = -11.0 kJ The molar enthalpy of reaction for Fe₂O3(s) in the reaction represented by Step I is Record your 3-digit answer. Include sign; do not include units. Potential Energy (kJ) AH-514.1 kJ Reactants ACH° +374.1 kJ Which steps in the above process can be represented by the following potential energy diagram? Select one: O Step II only O Steps I and III O Steps I, II and III O None of the above steps Products Reaction Pathway • kJ/mol
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