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(types of chemical reactions and safety instructions)

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Heating or another process causes a  compound to break into 2 or more products
XY ---------->  X  +  Y
heat

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-colour change
-change in temperature
-sound, light, heat & gas given off
-precipitate forms (solid) hehe
ha goti

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-Wear leather shoes to protect feet
-Wear safety glasses to protect eyes
-Point test tube on an angle away from people to protect other people and yourself
-When heating magnesium don't look at the flame, look on the side
- be careful with measuring because it may cause an accident
-When adding chemicals test tubes should be in test tube rakes
-When lighting a Bunsen air hole is closed and match before gas and match before
Safety flame is orange heating flame is blue
-Turn off Bunsen by

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-metal + oxygen --> metal oxide
-metal is worn away to make a new compound
-rust is an example of corrosion
iron + oxygen  + water--> iron oxide

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For example when wood burns, it must do so in the presence of O2 and a lot of heat is produced: Wood as well as many common items that combust are organic (i.e., they are made up of carbon, hydrogen and oxygen). When organic molecules combust the reaction products are carbon dioxide and water (as well as heat).
C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

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combustion always includes  hydrocarbon and oxygen as the reactants and always produces carbon dioxide and water as products.

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-combustion reactions burns a substance in  oxygen
-word equation adds 2 products with -ide at end
X + Y ---> XY
magnesium + Oxygen ----->  magnesium oxide