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Chapter 5 Thermochemistry

Lecture Presentation. Chapter 5 Thermochemistry. James F. Kirby Quinnipiac University Hamden, CT. Energy. Energy is the ability to do work or transfer heat. Energy used to cause an object that has mass to move is called work . Work = force x distance W = f x d

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AP CHEMISTRY CHAPTER 6 NOTES THERMOCHEMISTRY

AP CHEMISTRY CHAPTER 6 NOTES THERMOCHEMISTRY. Energy - the capacity to do work or to produce heat.

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Chapter 5 Thermochemistry

Chapter 5 Thermochemistry. Thermochemistry. Thermochemistry is the study of the relationship between ENERGY and chemical reactions. What is energy?. Energy. Energy is the ability to do work or transfer heat. Energy used to cause an object that has mass to move is called work .

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Thermodynamics

Thermodynamics. Chapter 19. TWO Trends in Nature. Order ? Disorder ? ? High energy ? Low energy ?. 2H 2 ( g ) + O 2 ( g ) 2H 2 O ( l ) + energy. H 2 O ( g ) H 2 O ( l ) + energy. energy + 2HgO ( s ) 2Hg ( l ) + O 2 ( g ).

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Thermochemistry

The energy aspect of chemistry. Thermochemistry. Thermochemical Data and Services. Energy is a quantity that can be stored in a chemical form, and chemical reaction involve energy. There is an extensive thermochemical data for various scientific and engineering applications.

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Chapter 1 Basic Concepts

Chapter 1 Basic Concepts. A gas in a piston-cylinder device is compressed, and as a result its temperature rises. Is this a heat or work interaction? On a P-v diagram, what does the area under the process curve represent?

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Chapter 5: thermochemistry. By Keyana Porter Period 2 AP Chemistry. What is thermochemistry?. Thermodynamics: the study of energy and its transformations Thermochemistry is one aspect of thermodynamics The relationship between chemical reactions and energy changes

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Thermochemistry

Thermochemistry. 2H 2 ( g ) + O 2 ( g ) 2H 2 O ( l ) + energy. H 2 O ( g ) H 2 O ( l ) + energy. energy + 2HgO ( s ) 2Hg ( l ) + O 2 ( g ). energy + H 2 O ( s ) H 2 O ( l ).

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T hermochemistry

T hermochemistry. -Chapter 8-. The Nature & Types of Energy. Energy is the capacity to do work Thermal energy is the energy associated with the random motion of atoms and molecules Chemical energy is the energy stored within the bonds of chemical substances

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Thermochemistry: The heat energy of chemical reactions

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Thermochemistry

Thermochemistry. Exothermic reactions release heat to the surroundings. Fe 2 O 3 + 2 Al ? 2 Fe + Al 2 O 3 + 851.5 kJ. Or ?H = -851.5 kJ. Thermite Reaction Demo. Potassium Permanganate Reaction Demo. Thermochemistry. Endothermic reactions absorb heat from the surroundings.

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Chapter 5: Thermochemistry

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