'Exothermic reactions release energy' diaporamas de présentation

Chapter 15

Chapter 15. Chemical Thermodynamics. Chapter Goals. Heat Changes and Thermochemistry The First Law of Thermodynamics Some Thermodynamic Terms Enthalpy Changes Calorimetry Themochemical Equations Standard States and Standard Enthalpy Changes

1.45k views • 109 slides

Ch 7 Energy and Chemical Change

954 views • 56 slides

Ch 7 Energy and Chemical Change

782 views • 56 slides

Ch 7 Energy and Chemical Change

827 views • 55 slides

Chapter 6

Chapter 6. Energy Thermodynamics. Energy is. the capacity to do work or produce heat conserved, amount of energy in universe never changes a state function, something that is independent of the path, or how you get from point A to B work (w) = force acting over a distance

584 views • 43 slides

Energy and Chemical Reactions

Energy and Chemical Reactions. Chapter 17 and 18. CHEMICAL Changes. Changes in Matter. PHYSICAL Changes. Changes that affect physical properties of substance Requires energy Example: changing size or shape, changing state (melting/freezing).

540 views • 38 slides

Energy & Chemical Change

Energy & Chemical Change. Chapter 16. 16.1 Energy. Energy is the ability to do work or produce heat. Energy exists as either potential or kinetic. Physical and chemical changes always involve energy transfer. Energy is measured in joules or calories 1 calorie = 4.184 joules.

306 views • 30 slides

Chemical Equations

Chemical Equations. Chemistry Chapter 9. Chemical Change. How do you know a chemical change has taken place? What are some common examples of chemical changes?. Chemical Reactions.

411 views • 28 slides

Chemical Equations

Chemical Equations. Chemistry Chapter 9. Chemical Change. How do you know a chemical change has taken place? What are some common examples of chemical changes?. Chemical Reactions.

284 views • 28 slides

Chemical Reactions

Chemical Reactions. Fireworks are a result of chemical reactions. Chemical Reactions. Chemical Reactions form new substances by breaking and making chemical bonds Chemical reactions change the way the atoms are arranged. Physical A change in the state Solid to liquid Liquid to gas

399 views • 21 slides

Chemical Reactions

Chemical Reactions. I. What is a chemical reaction?. Definition: the process by which one or more substances are rearranged to form different substances. Another name for a chemical change. A. How can you tell a chemical reaction has taken place? Evidence?. 1.Release of gas.

292 views • 18 slides

350 views • 18 slides

245 views • 8 slides