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18 Cards in this Set

  • Front
  • Back
Products
Substances formed by a chemical reaction.
Precipitate
A solid product that forms when chemicals in two liquids react.
Color change
When substances change color during a chemical reaction.
Formation of Gas
When chemical reaction produces a gas.
Temperature Change
Most chemical reactions involve a temperature change.
Synthesis
A new compound is formed by the combination of simpler reactants.
Decomposition
A reluctant break down into simpler products.
Combustion
The burning of methane when carbon and hydrogen atoms combine with oxygen.
Concentration
Measures the number of particles present in a certain volume.
Catalysts
A substance that increases the rate of a chemical reaction but is not itself consumed in the reaction.
Law of conservation of mass
States that in a chemical reaction atoms are neither created nor destroyed
Coefficients
Indicate how many molecules take part in the reaction.
Balanced Chemical Equation
Shows that no matter how atoms are rearranged during a chemical reaction, the same number of atoms must be present before and after the reaction.
Bond energy
Energy associated with bonds.
Exothermic Reaction
A reaction in which energy is released.
Endothermic Reaction
Absorbed energy
Photosynthesis
Plants absorb energy from sunlight to turn carbon dioxide and water into oxygen and glucose.
Respiration
When living cells obtain energy from glucose molecules.