1 Mya Lewis, Joeli Boyd, & Danielle Graham 7.1 & 7.2 Chemical ReactionsMya Lewis, Joeli Boyd, & Danielle Graham
2 Topics Chemical Reactions (Concept Overview Chart) Digestive System Hydrogen PeroxideSymbols ChartWriting chemical equationsSkeleton EquationsWriting word equationsEveryday Chemical ReactionsTry It YourselfTopics
4 The digestive system breaks down the food that enters your stomach to create glucose sugar for your body to create energy off of. Hydrochloric Acid decomposes the food into glucose sugar.The digestive system is a common place where a chemical reaction that’s takes place within the human body. The chemical reaction is when the hydrochloric acid, breaks down food and turns it into glucose sugar.Digestive System
6 Everyone should what hydrogen Peroxide is used for Everyone should what hydrogen Peroxide is used for. You know the brown bottle in your closet or medicine cabinet. Hydrogen peroxide reactions with bacteria in an infected cut or open wound. Reactions with the oxygen hitting to open wound or cut.Hydrogen Peroxide
7 Writing chemical equations Example: Hydrogen + OxygenReactant + Reactant = ProductH2OH2+ O H2OWriting chemical equations
8 To write a skeleton equation, you must write the correct formulas of the reactants and products to the right. ALSO USE THE RIGHT SYMBOL!Skeleton Equations
9 Writing word equations Example: Hydrogen + OxygenH2O ( Water)Hydrogen gas reacts with Oxygen gasto produce Dihydrogen oxide(Water)Writing word equations
10 Everyday chemical Reactions Bikes RustingDecaying dead bodyPlants photosynthesisEveryday chemical Reactions
11 Answer is A Try It yourself ! CLICK TO SEE ANSWER ! Which one is a skeleton equation ?A. H2 + O2 = H2OB. H + O = H20C. H3 + O3= H2OCLICK TO SEE ANSWER !Answer is ATry It yourself !
12 Create the skeleton equation for, Solid phosphorus burns in oxygen gas to form diphosphorus pentoxide gas.Homework question
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