Word Equation Warmup
Convert the following word equations into balanced chemical equations.
butane C4H10 burns in oxygen to produce carbon dioxide and water
2 C4H10 + 13 O2 8 CO2 + 10 H2O
strontium reacts with bromine to form strontium bromide
Sr + Br2 Sr
Chemical Equations and Reactions
Conservation of Mass Demo.
The mass of the products = The mass of the reactants
Observations: What do you see that indicates a reaction has occurred?
What is a Chemical Reaction?
Balancing Chemical Equations
C5.2A Balance Simple Chemical Equations applying the law of conservation
A balanced chemical reaction reflects the law of conservation of mass.
There must be the same number of each type of reactant atom as there ar
Chemical vs. Physical Changes
C5.2B Distinguish between Chemical and Physical changes in terms of the
properties of the reactants and products.
Boiling / Condensation / Evaporation
Melting / Freezing
Sublimation / Deposition
A Chemical Equation is
A set of Symbols that describes a chemical reaction and indicates identities
and amounts of reactants and products.
A Chemical Equation must reflect the law of conservation of matter.
I.E. it must be balanced in terms of numbers of
REACTION COMPLETION SUMMARY
Combustion (hydrocarbon fuel + O2 CO2 + H2O)
*Fuels contain _ _ and/or _
Synthesis/Combination (A + B AB)
Alkali/Alkaline Earth Oxide + Water A/AE Hydroxide
Nonmetal oxide + water acid
Metal Oxide + CO2 metal car