What is a Decomposition Reaction?
Balancing & Types of Reactions Review

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Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A reaction where a single compound breaks down into two or more simpler products. Example: Pb(NO3)2 → PbO + NO2 + O2.
2.
FLASHCARD QUESTION
Front
What is a Coefficient in a chemical equation?
Back
The large number in front of a chemical formula that indicates how many molecules or moles of that substance are involved in the reaction.
3.
FLASHCARD QUESTION
Front
What characterizes a Combustion Reaction?
Back
A reaction that starts with a hydrocarbon and reacts with oxygen to produce carbon dioxide and water. Example: CH4 + 2O2 → CO2 + 2H2O.
4.
FLASHCARD QUESTION
Front
What is a Double Replacement Reaction?
Back
A reaction where two compounds exchange ions or bonds to form two new compounds. Example: 3KOH + H3PO4 → K3PO4 + 3H2O.
5.
FLASHCARD QUESTION
Front
How do you balance a chemical equation?
Back
By adjusting the coefficients in front of the compounds to ensure the same number of each type of atom on both sides of the equation.
6.
FLASHCARD QUESTION
Front
What is the general form of a Synthesis Reaction?
Back
A reaction where two or more reactants combine to form a single product. Example: A + B → AB.
7.
FLASHCARD QUESTION
Front
What is the difference between a Single Replacement and a Double Replacement Reaction?
Back
In a Single Replacement reaction, one element replaces another in a compound. In a Double Replacement reaction, two compounds exchange components.
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