chapter-06 - 1331 REVIEW CHAPTER 6 FIRST LAW OF...

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1331 REVIEW CHAPTER 6 FIRST LAW OF THERMODYNAMICS Energy cannot be created or destroyed Δ E(system) = - Δ E(surroundings) Focus on reactions as system: Δ E = q + w (q is heat given to reaction, w = work done on system - Δ pV or Δ nRT – only important for gases) CALORIMETRY : heat change = specific heat x mass x Δ T heat change = heat capacity x Δ T heat change of system = -[heat change of water + heat change of cal] READ QUESTIONS TO SEE HOW TO CALCULATE q Define system and surroundings Reaction serves as system STATE FUNCTION Function whose change is independent of path- Δ E is, q and w not ENTHALPY heat of reaction at constant pressure – change is
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This note was uploaded on 04/14/2008 for the course CHEM 1331 taught by Professor Bott during the Spring '08 term at University of Houston.

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