'Total energy change' diaporamas de présentation

Principles of Chemistry: A Molecular Approach , 1st Ed. Nivaldo Tro

Principles of Chemistry: A Molecular Approach , 1st Ed. Nivaldo Tro. Chapter 6 Thermochemistry. Nature of Energy. Even though Chemistry is the study of matter, energy affects matter. Energy is anything that has the capacity to do work. Work is a force acting over a distance.

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Chemical Thermodynamics

Chemical Thermodynamics. BLB 12 th Chapter 19. Chemical Reactions. Will the reaction occur, i.e. is it spontaneous? Ch. 5, 19 How fast will the reaction occur? Ch. 14 How far will the reaction proceed? Ch. 15. energy heat work pathway state function system surroundings. Review terms.

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Chemical Thermodynamics

Chemical Thermodynamics. BLB 11 th Chapter 19. Chemical Reactions. How fast will the reaction occur? Ch. 14 How far toward completion will the reaction proceed? Ch. 15 Will the reaction occur, i.e. is it spontaneous? Ch. 5, 19. energy heat work pathway state function system

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Chapter 19

Chapter 19. Thermodynamics . Chemical Systems. A system refers to any part of the universe under observation. Everything else is called the surroundings. An open system can transfer energy and matter to the surroundings.

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Thermochemistry

Thermochemistry. Molar Enthalpies. Learning Goals. use proper scientific terminology to describe molar enthalpies calculate molar enthalpies Calculate molar enthalpies using the calorimetry equation. Success Criteria.

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Sample Exercise 11.1 Comparing Intermolecular Forces

Solution.

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Energy Changes

Energy Changes. Phase Changes of a System Melting Solid ? liquid Endothermic (energy put in) Boiling Liquid ? Gas Endothermic Condensing Gas ? Liquid Exothermic Freezing Liquid ? Solid Exothermic Sublimation Solid ? Gas Endothermic. Energy Changes.

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