How chmical displacement reactions differ from chemical decomposition reaction? Explain with an example for each.
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COMBINATION REACTION
In a combination reaction two or more simple substances combine to form a more complex substance. Two or more reactants yielding one product is another way to identify a combination reaction.
For example, simple hydrogen gas combined with simple oxygen gas can produce a more complex substance-----water!
The chemical equation for this combination reaction looks like:
reactant + reactant -------> product
EXAMPLE: 2H2(g) + O2(g) → 2H2O(l)
DECOMPOSITION REACTION
In a decomposition reaction a more complex substance breaks down into its more simple parts. One reactant yields 2 or more products. Basically, combination and decomposition reactions are opposites.
For example, water can be broken down into hydrogen gas and oxygen gas. The chemical equation for this decomposition reaction looks like:
reactant -------> product + product
EXAMPLE:
In a combination reaction two or more simple substances combine to form a more complex substance. Two or more reactants yielding one product is another way to identify a combination reaction.
For example, simple hydrogen gas combined with simple oxygen gas can produce a more complex substance-----water!
The chemical equation for this combination reaction looks like:
reactant + reactant -------> product
EXAMPLE: 2H2(g) + O2(g) → 2H2O(l)
DECOMPOSITION REACTION
In a decomposition reaction a more complex substance breaks down into its more simple parts. One reactant yields 2 or more products. Basically, combination and decomposition reactions are opposites.
For example, water can be broken down into hydrogen gas and oxygen gas. The chemical equation for this decomposition reaction looks like:
reactant -------> product + product
EXAMPLE:
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