5 TYPES OF CHEMICAL REACTIONS 1 What is a synthesis reaction? BIG IDEA The types of reactions that will take place and their products are predictable based on the organization of matter present in the reactions. USEFUL RESOURCE Types of Chemical Reactions Video by ysci link: https://youtu.be/TX6BYceUSL0 SYNTHESIS GENERAL FORMULA A SAMPLE REACTION 2Al A B B 3I2 2Al I3 R E A L W O R L D A P P L I C AT I O N Photosynthesis DECOMPOSITION 2 What is a decomposition reaction? GENERAL FORMULA A B A B SAMPLE REACTION 2H2O2 R E A L W O R L D A P P L I C AT I O N Airbag 2H2O O2 3 What is a combustion reaction? What is a hydrocarbon? What are the signs of a combustion reaction? COMBUSTION GENERAL FORMULA C x H y Hydrocarbon O O O O 2O2 O CO2 O2 SAMPLE REACTION CH4 C H 2H2O CO2 R E A L W O R L D A P P L I C AT I O N Propane Grill 4 What is a single replacement reaction? SINGLE REPLACEMENT REACTION AG E N E R A L A FORMULA BC SAMPLE REACTION Cu B AC 2AgNO3 Cu(NO3 )2 2Ag R E A L W O R L D A P P L I C AT I O N Thermite H H2O 4 MOST REACTIVE What does the activity series tell us? LEAST REACTIVE 5 What is a double replacement reaction? What are the signs of a double replacement reaction? Potassium Calcium Magnesium Aluminum Zinc Iron Tin Lead Copper Silver Gold Platinum DOUBLE REPLACEMENT REACTION GENERAL FORMULA A B C D A D SAMPLE REACTION 2Kl Pb(NO3 )2 SIGNS R E A L W O R L D A P P L I C AT I O N Antacids C B 2KNO3 PbI2 PRACTICE DIRECTIONS Identify the type of chemical reaction that is represented. REACTION TYPE OF REACTION Fe + 3LiBr 1) 3Li + FeBr3 2) 2H2O 3) 2NaOH + H2SO4 4) 2C2H6 + 7O2 5) 2Mg + O2 6) 2Fe + 6HBr 7) Ba (NO3 )2 + K2SO4 8) 8O2 + C5H12 9) H2CO3 10 ) 2K + Cl2 2H2 + O2 Na2SO4 + 2H2O 4CO2 + 6H2O 2MgO 2FeBr3 + 3H2 BaSO4+ 2KNO3 5CO2 + 6H2O H2O + CO2 2KCl