Balancing Equations and Reaction Types

Flashcard
•
Chemistry
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a balanced chemical equation?
Back
A balanced chemical equation has equal numbers of each type of atom on both sides of the equation, following the law of conservation of mass.
2.
FLASHCARD QUESTION
Front
What are coefficients in a chemical equation?
Back
Coefficients are the numbers placed in front of compounds in a chemical equation to indicate the number of molecules or moles of that substance.
3.
FLASHCARD QUESTION
Front
What type of reaction is represented by the equation: 2H2 + O2 → 2H2O?
Back
Synthesis reaction, where two or more reactants combine to form a single product.
4.
FLASHCARD QUESTION
Front
What is a decomposition reaction?
Back
A decomposition reaction is a type of chemical reaction where one reactant breaks down into two or more products.
5.
FLASHCARD QUESTION
Front
Identify the type of reaction: 2Na + Cl2 → 2NaCl.
Back
Synthesis reaction.
6.
FLASHCARD QUESTION
Front
What is a double replacement reaction?
Back
A double replacement reaction is a type of reaction where two compounds exchange ions or bonds to form two new compounds.
7.
FLASHCARD QUESTION
Front
Identify the coefficients in the equation: ___ C3H8 + ___ O2 → ___ CO2 + ___ H2O.
Back
1, 5, 3, 4.
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