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By: Alisha S. Ch e m i cal R e act i ons an d Ho w to Balanc e Th e m. Sy n thesis. Magnesium combines with oxygen to create Magnesium oxide. Mg (s) + O 2(g) . Synthesis. Magnesium combines with oxygen to create Magnesium oxide. 2 Mg (s) + O 2(g)  2MgO (g)

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by alisha s
By: Alisha S.

Chemical Reactions and How to Balance Them

sy n thesis

Synthesis

Magnesium combines with oxygen to create Magnesium oxide.

Mg(s) + O2(g)

synthesis

Synthesis

Magnesium combines with oxygen to create Magnesium oxide.

2Mg(s) + O2(g) 2MgO(g)

Two smaller reactants combine to create a larger product.

single replacement
Single Replacement

Sodium goes into Silver nitrate solution forming Sodium nitrate and Silver metal.

Na(s) + AgNO3(AQ)

single replacement1
Single Replacement

Sodium goes into Silver nitrate solution forming Sodium nitrate and Silver metal.

Na(s) + AgNO3(AQ) NaNO3(AQ) + Ag(s)

An atom combines with an aqueous solution, forming a new aqueous solution and a precipitate. Use table J to make sure this reaction happens.

decomposition
Decomposition

Zinc oxide breaks down into zinc and oxygen.

2ZnO(S)

decomposition1
Decomposition

Zinc oxide breaks down into zinc and oxygen.

2ZnO(S)O2(g) + 2Zn(s)

One larger substance breaks down into two smaller ones.

double replacement
Double Replacement

Lithium carbonate and Beryllium nitrate solutions form into Lithium nitrate solutionand Beryllium carbonate solid

Li2CO3 + Be(NO3)2 

double replacement1
Double Replacement

Lithium carbonate and Beryllium nitrate solutions form into Lithium nitrate solutionand Beryllium carbonate solid

Li2CO3 + Be(NO3)2  2LiNO3 + BeCO3

Two aqueous solutions combine creating an aqueous solution and a solid.

slide10

Single replacement is easy for me to recognize because the reactants and the products always have one metal and one aqueous solution.