'Cl ions' diaporamas de présentation

Neurons

Neurons. A nerve cell capable of generating and transmitting electrical signals Vary in structure and properties Use the same basic mechanisms to send signals Generate action potentials or passive potential

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Neurons

Neurons. A nerve cell capable of generating and transmitting electrical signals Vary in structure and properties Use the same basic mechanisms to send signals Generate action potentials or passive potential

1.44k views • 68 slides

CHAPTER 5 Principles of Reactivity: Energy and Chemical Reactions

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Chapter 3

Chapter 3. Molecules, Compounds, and Chemical Equations. Compounds. When two or more elements are combined chemically, they are called a compound .

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Energy & Chemistry

Energy & Chemistry. 2H 2(g) + O 2(g) ? 2H 2 O (g) + heat and light This can be set up to provide ELECTRIC ENERGY in a fuel cell . Oxidation: 2 H 2 ? 4 H + + 4 e - Reduction: 4 e - + O 2 + 2 H 2 O ? 4 OH -. H 2 /O 2 Fuel Cell Energy, page 288. Energy & Chemistry.

705 views • 47 slides

Chapter 8 Solutions

Chapter 8 Solutions. Solubility Percent Concentration Colloids and Suspensions. Solute and Solvent. Solutions are homogeneous mixtures of two or more substances Solute The substance in the lesser amount Solvent The substance in the greater amount. Formation of solutions.

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Mixtures

Mixtures. Mixtures are physical (NOT chemical) combinations Many mixtures have NO chemical reaction potential Sugar or Salt dissolved in water Solder, a mixture of Tin and Lead Unlimited number of potential combinations Some mixtures have chemical reaction potential

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Chemical Reactions

Chemical Reactions. When one or more substances are changed into different substances a chemical reaction has occurred. Reactants ? Products Word equations use names of chemicals Chemical equations use the chemical formulas. Example. Example.

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Chemical Names and Formulas

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Chemical Names and Formulas

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Organic chemistry

Organic chemistry. BC Science Probe 10 Section 8.3. Organic Chemistry. Organic means living Hydrocarbons contain hydrogen and carbon atoms Organic Chemistry is the study of carbon chemicals that are natural and artificial.

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Electrolysis of Solutions

Electrolysis of Solutions. Al. Al 3+. What is electrolysis?. Electrolysis involves breaking down ionic substances into simpler substances using electricity.

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Coordination

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Concepts

Concepts. The intracellular and extracellular fluids have unequal concentrations of specific ions. Na + K + Cl - H + HCO 3 - The differences in concentrations are maintained by the expenditure of energy (work). Nernst Potential. V Eq = RT/ZF ln(C out /C in )

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Ionic Compounds

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Bonding in Solids

Bonding in Solids. Valentin Panyushenko Chris Zheng. Molecular Solids. Held together by intermolecular forces Forces are weak; solid soft; low melting points Typically gas or liquid in room temperature Ex. Ar, H 2 O, CO 2. Benzene Toluene Phenol

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Naming ionic compounds: part II

Naming ionic compounds: part II. How to name compounds that contain transition metals. Using Roman numerals to denote the charge of the transition metal. FeO. Fe 2 O 3. Why do we need a roman numeral? . Some metals can take MORE THAN ONE charge

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Ionic Bonding

Ionic Bonding. Kari Rogers and Emily Rankin. Forming ionic bonds are usually exothermic reactions If the charge is positive, an electron has been lost If the charge is negative, an electron has been gained Electron transfers occur when atoms involved differ in the attraction for electrons.

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Solubility Equilibria

Solubility Equilibria. Ksp and Qsp. The dissociation equation is written as a reversible reaction. You need to use the table of ions and always remember to balance. example: silver chloride AgCl (s) ?? Ag + ( aq ) + Cl - ( aq ) Ksp = [Ag + ] [ Cl - ]

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The Mole Part 2

163 views • 7 slides