Chemical Reactions
Baking a cake is an example of..
What type of reaction is 2Mg+O2 -->MgO
Synthesis
Define Chemical Reaction
A chemical reaction describes change in which reactants react to form products chemically different from the reactants
What is the number of O in Na2CO3
3
What is the number of O's in Al2(SO4)3
Fill in the blank.. __Na+__F2 ->__NaF
2,1,2
Define Reactant
A chemical substance that is present at the start of chemical reaction
Define Product
A product is a substance that is formed as a result of the chemical reaction
Determine whether this is Balanced or Unbalanced Na+MgF ->NaF+Mg
Unbalanced
Define Chemical Equation
A chemical equation is the symbolic representation of a chemical reaction
Determine whether Balanced or Unbalanced BaCl2+Na2SO4 ->2NaCl+BaSO4
Balanced
Define Law of Conservation of Mass
Mass is neither destroyed nor created by chemical reactions. The mass of the products in a chemical reaction must equal the mass of the reactants.
What is the number of Al in Al2(SO4)3
Chemical
What is the number of S in 3SO2
3
Synthesis
A+B -->AB
A change in the state of matter is a ___ change
Physical
Decomposition
Coefficient
A number in front of a chemical formula in an equation that indicates how many molecules or atoms
What type of reaction is 2H2O2 --> 2H2O+O2
Decomposition