Balancing equations & identifying 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, indicating that mass is conserved during the reaction.
2.
FLASHCARD QUESTION
Front
What are the steps to balance a chemical equation?
Back
1. Write the unbalanced equation. 2. Count the number of atoms of each element on both sides. 3. Adjust coefficients to balance the atoms. 4. Repeat until all elements are balanced.
3.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
The law of conservation of mass states that mass cannot be created or destroyed in a chemical reaction; it can only change forms.
4.
FLASHCARD QUESTION
Front
What is a decomposition reaction?
Back
A decomposition reaction is a type of chemical reaction where one compound breaks down into two or more simpler products.
5.
FLASHCARD QUESTION
Front
What is a combustion reaction?
Back
A combustion reaction is a chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of light and heat.
6.
FLASHCARD QUESTION
Front
What is a single replacement reaction?
Back
A single replacement reaction is a type of chemical reaction where one element replaces another element in a compound.
7.
FLASHCARD QUESTION
Front
What is a double replacement reaction?
Back
A double replacement reaction is a type of chemical reaction where the anions and cations of two different compounds exchange places, forming two new compounds.
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