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Energy Lecture 4 Hesss Law & Review Calculating Enthalpy Change A theoretical way to determine H for a chemical reaction is provided by Hesss law, which
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ENTHALPY (H) Accounts for heat flow in chemical reactions happening at constant pressure when work is performed due to P-V change. The enthalpy of a substance
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Prentice-Hall © 2002General Chemistry: Chapter 8Slide 1 of 32 Chapter 8: The Atmospheric Gases and Hydrogen Philip Dutton University of Windsor, Canada
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Chapter 17 Energy. Energy u The ability to do work or cause a change u Work- using force to move something Symbol is w u Thermochemistry- studies energy
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Notes: Equilibrium: Le Châteliers Principle (18.1 & 18.2) Topics: Reversible Reactions Equilibrium Constant Le Châteliers Principle
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Enthalpies of Formation An enthalpy of formation, H f, is defined as the enthalpy change for the reaction in which a compound is made from its constituent
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Ecosystems and Energy Chapter 3. What is Ecology? Ecology – study of the interactions among organisms and between organisms (biotic) and their abiotic
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AH 13-03-2010. Objectives Introduce the second law of thermodynamics. Discuss thermal energy reservoirs, reversible and irreversible processes, heat engines,
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Thermal energy is transferred through the hydrosphere from warmer latitudes to cooler polar regions largely due to global winds
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Reaction Rates (cont.) Energy in a Reaction (p.11)
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Energy in a Reaction (cont.) (p.17). Review Draw a graph of enthalpy vs. reaction proceeds for this rxn: R P + 60 kJ
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UNIT VI Types of Chemical Reactions. VI.5 TYPES OF CHEMICAL REACTIONS When we classify reactions by how atoms are rearranged, there are 5 MAJOR TYPES
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