Combustion.bertino

=__Combustion__=

In a single replacement reaction a single uncombined element replaces another in a compound. In the end the two reactants will yield two products.

The general equation is: **A + O2 → CO2 + H2O **

__An example could be:__
 * Trichloride octahydrogen reacts with dioxide to form carbon dioxide and water

__Steps in changing the chemical sentence to a formula:__ 1.) Change the chemical names into their symbols Chloride = Cl Hydrogen = H Oxygen = O 2.) Figure out the charge of each element( Since this is a covalent equation the written sentence already does the work for you so now all you have to do is read the sentence equation and do what it tells you: Tri is equal to 3, Octa is equal to 8, and Di is equal to 2.) C3H8 + O2 => CO2 + H2O
 * When writing a formula you must remember that there are some elements that are so reaction that they form molecules of twos when found alone. These elements are called diatomic elements and oxygen is one of them.

__Balance the Equation:__ 1.) Under the equation make a table and count the amount of atoms in each type. C3H8 + O2 => CO2 + H2O 3 C 1 8 H 2 2 O 3 2.) Since this equation is not balanced you have to change the coefficients. C3H8 + 5O2 => 3CO2 + 4H2O 3 C 3 8 H 8 10 O 10 3.) The equation is now balanced!



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