'2co 2' diaporamas de présentation

Thermodynamics

Thermodynamics. Chapter 18. Thermaldynamics: ??????? : (1) ??????? : ??????????????? Enthalpy( ? ) ????????????????? ( D H ) (2) ????????????? ( ?? ) ???????????????????????????????????????????????????????? ( D S ?0 ) ( ??????????? ~ ?????????????? ????? ? )

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Entropy, Free Energy, and Equilibrium

Entropy, Free Energy, and Equilibrium. Chapter 16. nonspontaneous. spontaneous. Spontaneous Physical and Chemical Processes. A waterfall runs downhill A lump of sugar dissolves in a cup of coffee At 1 atm., water freezes below 0 0 C and ice melts above 0 0 C

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Chapters 16, 17, 18

Chapters 16, 17, 18. Reaction Energy and Reaction Kinetics. Thermodynamics : the study of energy change in chemical reactions Substances have energy stored in them. It is stored in bonds , stored in pressure , and any other form of potential energy.

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The Fermentation of Monosaccharides to make Ethanol

The Fermentation of Monosaccharides to make Ethanol. Sandra Reynolds University Senior College. Dr Paul Grbin Wine & Horticulture, University of Adelaide. The Fermentation of Monosaccharides to make Ethanol.

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Entropy

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Le Chatelier's Principle and Equilibrium

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???? Vinegar Production

?????????. ???? Vinegar Production. ??? ???? M202. ????. ????????????. ????. ???? ?????? ???? ??????????????? ?????????. ????. ??? Fermented vinegar ???????????? alcohol ? esters ? aldehydes ??????? ??? Synthetic vinegar ???????????????????????????????????. ?? ?? ????.

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Thermodynamics

Thermodynamics. Chapter 18. nonspontaneous. spontaneous. Spontaneous Physical and Chemical Processes. A waterfall runs downhill A lump of sugar dissolves in a cup of coffee At 1 atm, water freezes below 0 0 C and ice melts above 0 0 C

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Equilibrium

Equilibrium. Equilibrium. Some reactions (theoretically all) are reversible reactions, in which the products take part in a separate reaction to reform the reactants. Equilibrium. We show equilibrium in a reaction using an arrow pointing both ways ( ? ). For example:

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Prepared By:

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Equilibrium Constant

Equilibrium Constant. Example. H 2 + F 2 ? 2HF

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3.2 Catalysts at Work

3.2 Catalysts at Work. 3.2.1. Catalytic Converters. LO: I understand how catalytic converters work. Catalytic converters in car exhausts:. Convert harmful gases into less harmful ones. Contain platinum, palladium and rhodium. For example:. +. +. 2NO. 2NO 2. 2N 2. 3O 2. +. 2CO. O 2.

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??? ????? ??????? ? ? ?

INORGANIC / ORGANIC /POLYMERIC NANOCOMPOSITES. ??? ????? ??????? ? ? ?. Inorganic Material Lab. NANOCOMPOSITES. TYPES OF NANOCOMPOSITE Types Examples Low temperature sol-gel derived nanocomposites Mullite/SiO 2 ; Al 2 O 3 /SiO 2 ; SiO 2 /MgO ...

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Module 2: Born Haber Cycles

Module 2: Born Haber Cycles. Find the standard enthalpy of formation of ethane. Given the following enthalpies of combustion; C(s) = -393 KJ mol -1 H 2 (g) = -286 KJ mol -1 C 2 H 6 (g) = -1560 KJ mol -1. Step 1: Write equations for the data provided. C(s) + O 2 ? CO 2 (g)

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