Balancing and reaction types

Flashcard
•
Science
•
9th - 12th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a Single Displacement Reaction?
Back
A reaction where one element replaces another in a compound, e.g., 3Ca + 2AlCl3 → 3CaCl2 + 2Al.
2.
FLASHCARD QUESTION
Front
What does it mean for a chemical equation to be balanced?
Back
A balanced equation has the same number of each type of atom on both sides, indicating conservation of mass.
3.
FLASHCARD QUESTION
Front
What is a coefficient in a chemical equation?
Back
The large number to the left of a formula that indicates how many molecules or moles of that substance are present.
4.
FLASHCARD QUESTION
Front
What is a Synthesis Reaction?
Back
A reaction where two or more substances combine to form a single product, e.g., 3Mg + N2 → Mg3N2.
5.
FLASHCARD QUESTION
Front
What is the purpose of balancing chemical equations?
Back
To ensure that the law of conservation of mass is followed, meaning atoms are neither created nor destroyed.
6.
FLASHCARD QUESTION
Front
What is a Decomposition Reaction?
Back
A reaction where a single compound breaks down into two or more simpler products, e.g., 2H2O → 2H2 + O2.
7.
FLASHCARD QUESTION
Front
What is a Double Displacement Reaction?
Back
A reaction where two compounds exchange ions or bonds to form two new compounds, e.g., AB + CD → AD + CB.
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