'Spontaneous reactions' diaporamas de présentation

ELECTROCHEMISTRY OXIDATION REDUCTION REACTIONS

ELECTROCHEMISTRY OXIDATION REDUCTION REACTIONS. OXIDATION REDUCTION Reactions and Electrochemical Cells. Voltaic Cells: Using Spontaneous Reactions to Generate Electrical Energy. Cell Potential: Output of a Voltaic Cell. Free Energy and Electrical Work.

1.56k views • 129 slides

KINETICS

1.12k views • 86 slides

Thermodynamics & Thermochemistry

1.02k views • 74 slides

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

??? ???? ?????? ?????? . Enzymes. Objectives. What are enzymes ? Properties of enzymes Classification Factors Affecting Enzyme Action Enzyme Kinetics Inhibition of Enzyme Activity Regulation of Enzyme Activity. Criteria ?????? of Enzymes. They are : organic catalysts ,

917 views • 62 slides

Energy Conversions

Energy Conversions. Do Now A jelly donut contains about 1 x 10 6 J of energy. A gallon of gasoline contains about 1 x 10 8 J of energy. How many jelly donuts would provide the same amount of energy as a 20 gallon tank of gasoline?`. Energy and society.

513 views • 41 slides

Useful Equations - The Clapeyron Equation

Useful Equations - The Clapeyron Equation. Gives the rate of change of the vapor pressure with temperature, dp/dT, in terms of the enthalpy of vaporisation, ?H vap , volume of the liquid, V l , and volume of the vapor, V v , at temperature T and at a pressure equal to the vapor pressure.

1.26k views • 32 slides

Chemical Thermodynamics

Chemical Thermodynamics. The chemistry that deals with the energy and entropy changes and the spontaneity of a chemical process. First Law of Thermodynamics.

781 views • 30 slides

Unit 13 Review

398 views • 27 slides

What does a cell need? Building blocks biological molecules, ions, metals, water, etc. Catalysts (enzymes) reactions h

What does a cell need? Building blocks biological molecules, ions, metals, water, etc. Catalysts (enzymes) reactions happen rapidly enough to sustain life Information nucleic acids Energy. What do we need energy for? synthesis mechanical work active transport

336 views • 22 slides

16-4-2011

16-4-2011. Thermodynamics. Introduction. Thermodynamics examines the heat and work as well as spontaneity of a reaction. Spontaneity is the notion of whether or not a process can take place unassisted. Entropy is a mathematical concept describing disorder and randomness in a system.

557 views • 21 slides

CHEM 30

366 views • 20 slides

Thermodynamics

Thermodynamics. Brown, LeMay Ch 19 AP Chemistry Monta Vista High School. To properly view this presentation on the web, use the navigation arrows below and left-click on each page to view any animations. Review. 1 st Law of Thermodynamics

297 views • 19 slides

Democracy and the market: Political and economic reforms in Eastern Europe and Latin America

Democracy and the market: Political and economic reforms in Eastern Europe and Latin America. Adam Przeworski University of Chicago. Summary - Features of democracies - How are outcomes enforced in democracies? -Why would they comply? -Competing views of compliance.

376 views • 19 slides

Chemistry and Biochemistry Part 4

Chemistry and Biochemistry Part 4. For Advanced Diploma students of the WEA Hunter Academy of Complementary Health. Chapter 6. NON-CATALYTIC PROTEINS: providers of structure and functionality. Two main groups. Fibrous And Globular. Globular proteins.

352 views • 18 slides

Chapter 23 Thermodynamics

Chapter 23 Thermodynamics. What is the driving force for every process in the universe?. Review of equilibrium . What you should know at this point If the Keq > 1, the equilibrium favors the products. If the Keq < 1, the equilibrium favors the reactants. Spontaneous Processes.

252 views • 16 slides

Psychology

Psychology. Personality Assessment: Term 3 Lesson 3. Agenda. Personality Assessment Interview Direct observation & rating scales Personality questionnaires Projective tests of personality (Inkblots & hidden plots) ROR Test TAT Test Sudden murderers- a Research example .

407 views • 14 slides

Entropy and Free Energy

Entropy and Free Energy. 19.3. After reading Section 19.3, you should know:. What entropy and free energy are How to determine whether the entrophy is increasing or decreasing based on a chemical equation How to determine whether a reaction will be spontaneous or not.

395 views • 12 slides

Kinetics & Equilibrium

Kinetics & Equilibrium. Aim: How do you determine if a reaction will happen?. Factors that Change During A Reaction. Energy( H) = Enthalpy Nature favors a change to lower energy In what type of reaction is there a decrease in energy? Exothermic

203 views • 12 slides

Entropy and Free Energy

266 views • 10 slides

Spontaneity of Reactions &

Spontaneity of Reactions &. Free Energy is the energy that is available to do work. D G= D H- T D S. Free Energy. Spontaneous reactions occur naturally without the addition of heat or other conditions. Spontaneous reactions favor the formation of products Keq >1

210 views • 5 slides