logging in or signing up Chemical Equations and Reactions ngobert Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 859 Category: Education License: All Rights Reserved Like it (0) Dislike it (1) Added: November 02, 2009 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: rajnegi (17 month(s) ago) yur ppt is very nice Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Chemical Equations and Reactions : Chemical Equations and Reactions Chapter 8 Objectives for today : Objectives for today List three observations that suggest a chemical reaction has occurred List three requirements for correctly written chemical equations Write word equations Balance a formula equation by inspection Classify chemical reactions Indications of a chemical reaction : Indications of a chemical reaction Evolution of heat and light Production of a gas Formation of a precipitate Color change Characteristics of a Chemical Equation : Characteristics of a Chemical Equation The equation must represent all the known facts The equations must contain the correct formulas for the reactants and products The law of conservation of mass must be satisfied Types of Reactions : Types of Reactions Synthesis Decomposition Single replacement Double replacement Combustion Synthesis : Synthesis Synthesis reaction also know as composition A + X AX 2Mg + O2 2MgO Decomposition : Decomposition Decomposition –one compound undergoes a reaction that produces two or more simpler substance AX A + X 2H20 2H2 + O2 Single replacement reaction : Single replacement reaction one element replaces a similar element in a compound A + BX AX + B Y + BX BY + X Mg + 2HCl H2 + MgCl2 Double Replacement reaction : Double Replacement reaction the ions of two compounds exchange places in an aqueous solution to form two new compounds a. AX + BY AY + BX b. 2KI + Pb(NO3)2 PbI2 +2KNO3 Combustion : Combustion a substance combines with oxygen releasing a large amount of energy in the form of light and heat burning of propane C3H8 + 5O2 3CO2 + 4H2O You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Chemical Equations and Reactions ngobert Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 859 Category: Education License: All Rights Reserved Like it (0) Dislike it (1) Added: November 02, 2009 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: rajnegi (17 month(s) ago) yur ppt is very nice Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Chemical Equations and Reactions : Chemical Equations and Reactions Chapter 8 Objectives for today : Objectives for today List three observations that suggest a chemical reaction has occurred List three requirements for correctly written chemical equations Write word equations Balance a formula equation by inspection Classify chemical reactions Indications of a chemical reaction : Indications of a chemical reaction Evolution of heat and light Production of a gas Formation of a precipitate Color change Characteristics of a Chemical Equation : Characteristics of a Chemical Equation The equation must represent all the known facts The equations must contain the correct formulas for the reactants and products The law of conservation of mass must be satisfied Types of Reactions : Types of Reactions Synthesis Decomposition Single replacement Double replacement Combustion Synthesis : Synthesis Synthesis reaction also know as composition A + X AX 2Mg + O2 2MgO Decomposition : Decomposition Decomposition –one compound undergoes a reaction that produces two or more simpler substance AX A + X 2H20 2H2 + O2 Single replacement reaction : Single replacement reaction one element replaces a similar element in a compound A + BX AX + B Y + BX BY + X Mg + 2HCl H2 + MgCl2 Double Replacement reaction : Double Replacement reaction the ions of two compounds exchange places in an aqueous solution to form two new compounds a. AX + BY AY + BX b. 2KI + Pb(NO3)2 PbI2 +2KNO3 Combustion : Combustion a substance combines with oxygen releasing a large amount of energy in the form of light and heat burning of propane C3H8 + 5O2 3CO2 + 4H2O