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There is no symbol that will show weather or not heat is needed in a decomposition reaction.
With this symbol:
The symbol is referred to as "delta" and means that the reaction occurs under heating conditions.
it indicate where and what to drop in
The reaction is:CaCO3------------CaO + CO2
There is no symbol that will show weather or not heat is needed in a decomposition reaction.
With this symbol:
The energy needed to statr a chemical reaction is the 'Activation Energy' , which is given the symbol (Ea).
An additional digit is needed.
The symbol is referred to as "delta" and means that the reaction occurs under heating conditions.
it indicate where and what to drop in
What does this symbol indicate on a weather map? low pressure
THE PLUS SIGN (+)an example is: sodium + oxygen --> sodium oxideNa2 + O --> Na2O
In the Hindu-Arabic system of numeracy (the system we use today) it is needed to indicate positional place value of numbers i.e. 10 is ten but 100 is a hundred.
The reaction is:CaCO3------------CaO + CO2
a triangular sign on the arrow dude. if triangle is on the arrow that means heat is used for reaction to take place but if it is on the side of product that means that the heat is given out of the reaction hope it is useful.......................
A monovalent cation; the symbol is I (Roman).