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Hess's Law

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Internal Energy	22 mins	0 completed	Learn
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Enthalpy of Formation	13 mins	0 completed	Learn Summary
End of Chapter 6 Problems	52 mins	0 completed	Learn

Additional Practice
Units of Energy

Additional Guides
Endothermic & Exothermic Reactions
Enthalpy

Guide Learn Additional Practice

Next SectionEnthalpy of Formation

Solution: Calculate the enthalpy change for the reaction P₄O₆ (s) + 2 O₂ (g) → P₄O₁₀ (s) given the following enthalpies of reaction: P₄ (s) + 3 O₂ (g) → P₄O₆ (s) ΔH = -1640.1 kJ P₄ (s) + 5 O₂ (g) → P₄O₁₀ (s) ΔH = -2940.1 kJ

Solution: Calculate the enthalpy change for the reactionP4O6 (s) + 2 O2 (g) → P4O10 (s)given the following enthalpies of reaction:P4 (s) + 3 O2 (g) → P4O6 (s) ΔH = -1640.1 kJP4 (s) + 5 O2 (g) → P4O10 (

Problem

Calculate the enthalpy change for the reaction
P₄O₆ (s) + 2 O₂ (g) → P₄O₁₀ (s)
given the following enthalpies of reaction:
P₄ (s) + 3 O₂ (g) → P₄O₆ (s) ΔH = -1640.1 kJ
P₄ (s) + 5 O₂ (g) → P₄O₁₀ (s) ΔH = -2940.1 kJ

Hess's Law

Solution: Calculate the enthalpy change for the reaction P4O6 (s) + 2 O2 (g) → P4O10 (s) given the following enthalpies of reaction: P4 (s) + 3 O2 (g) → P4O6 (s) ΔH = -1640.1 kJ P4 (s) + 5 O2 (g) → P4O10 (s) ΔH = -2940.1 kJ

Solution: Calculate the enthalpy change for the reactionP4O6 (s) + 2 O2 (g) → P4O10 (s)given the following enthalpies of reaction:P4 (s) + 3 O2 (g) → P4O6 (s) ΔH = -1640.1 kJP4 (s) + 5 O2 (g) → P4O10 (

Problem

Practice Problems

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Solution: Calculate the enthalpy change for the reaction P₄O₆ (s) + 2 O₂ (g) → P₄O₁₀ (s) given the following enthalpies of reaction: P₄ (s) + 3 O₂ (g) → P₄O₆ (s) ΔH = -1640.1 kJ P₄ (s) + 5 O₂ (g) → P₄O₁₀ (s) ΔH = -2940.1 kJ