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Questions and Answers
What is the defining characteristic of an exothermic reaction?
Which type of reaction involves the gain of oxygen or loss of hydrogen?
In a displacement reaction, what occurs when an element displaces another element from its compound?
What are the products in a double displacement reaction characterized by?
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What results from precipitation reactions?
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What is the main difference between oxidation and reduction?
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Study Notes
Chemical Reactions
- The defining characteristic of an exothermic reaction is the release of heat energy.
Oxidation and Reduction
- Oxidation involves the gain of oxygen or loss of hydrogen, whereas reduction involves the loss of oxygen or gain of hydrogen.
Displacement Reactions
- In a displacement reaction, one element displaces another element from its compound.
Double Displacement Reactions
- The products in a double displacement reaction are characterized by the formation of two new compounds.
Precipitation Reactions
- Precipitation reactions result in the formation of an insoluble solid.
Oxidation vs. Reduction
- The main difference between oxidation and reduction is that oxidation involves the gain of oxygen or loss of hydrogen, whereas reduction involves the loss of oxygen or gain of hydrogen.
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Description
Test your knowledge on balancing chemical equations, including combination and decomposition reactions. Make sure the numbers of atoms are the same on both sides of the equation to have a balanced reaction.
