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Woodruff- Chemical P

Woodruff- Chemical Properties

QuestionAnswer
chemical properties the ability of a substance to undergo or resist chemical changes
List three chemical properties that can be used to classify matter 1. reacts with acids or bases 2. Combines with oxygen 3. Reacts with water
Describe what happens when matter combines with oxygen in a rapid reaction light + heat = burning
Describe what happens when matter combines with oxygen in a slow reaction no light + heat = rusting
Chemical change produces substances different from the original substances in both properties and composition
Two examples of chemical changes burning, corrosion (rusting, tarnishing)
Chemical changes are always accompained by the ____. release or absorption of energy.
What is the type of energy required by some chemical reactions before the reaction can occur? energy of activation
endothermic reaction a reaction that absorbs or takes in energy
Two examples of endothermic reactions cooking food and photosynthesis
exothermic reaction a reaction that gives off energy
two examples of exothermic reactions respiration in cells and oxidation
Created by: seagullq
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