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Title: Type of reaction notes 1
Description: contains self explanatory notes on the definition of chemical reaction, combination reaction and decomposition reaction with examples.
Description: contains self explanatory notes on the definition of chemical reaction, combination reaction and decomposition reaction with examples.
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Type of reactions
chemical reactions can be defined as the
changes in which some new chemical
substances are formed
...
• Products: these are new substances
formed from chemical reactions
...
This is the reaction when two or more substances combine to form a
single compound, combination reaction can happen between:
• element + element => compound
• compound + compound => bigger compound
examples:
PbO2(s) + SO2(g) => PbSO4(s)
Fe(s) + s(s) => FeS(s)
...
decomposition reaction
• imagine:
You buy one of those 2 in 1 combo lollipop at the carnival and then break
it apart to give one of your friend because they keep begging and it’s really
starting to get on your nerves
...
This is the reaction when a single compound splits into two or more
simpler substances:
• AB => A + B
When heat is needed to decompose or break apart compound the reaction
is now known as Thermal decomposition
...
Title: Type of reaction notes 1
Description: contains self explanatory notes on the definition of chemical reaction, combination reaction and decomposition reaction with examples.
Description: contains self explanatory notes on the definition of chemical reaction, combination reaction and decomposition reaction with examples.