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Matter Mind Map 7/8 (Properties - A characteristic of matter. (volume (the…
Matter Mind Map 7/8
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Chemical Reactions
A chemical reaction occurs when one or more substances "reactants" form another substance "product"- Nathaniel -Osama
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when a chemical reaction happens a new substance is formed, that has different properties-joelle-Osama
there are conditions that cause chemical reactions to occur namely;heating,mixing and cooling.- joelle
an example of a chemical reaction that is caused when reactants cool is when nitrogen dioxide is cooled it forms dinitrogen tetroxide, due to energy withdrawl. - joelle-Osama
an example of a chemical reaction that is caused when reactants are mixed is, when lead nitrate and potassium iodide are mixed they form lead iodide and potassium-joelle
another example of a chemical reaction that is caused when there is friction applied on to a reactant is a match which causes fire to occur - joelle
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Substances that exist before a chemical reaction takes place and change as a result of the reaction are called , reactants:- Kemi -
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did you know?- that it is estimated that 37 thousand billion chemical reactions per second happen in the human body.-joelle
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States of matter
Gas, liquid, solid, plasma
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