Balancing and Reaction Types
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a synthesis reaction?
Back
A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product. Example: K + F2 → KF.
2.
FLASHCARD QUESTION
Front
What is a combustion reaction?
Back
A combustion reaction is a type of chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of light and heat. Example: C2H6 + O2 → CO2 + H2O.
3.
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. Example: 2H2O → 2H2 + O2.
4.
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 in a compound. Example: Zn + CuSO4 → ZnSO4 + Cu.
5.
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 switch places, forming two new compounds. Example: AgNO3 + NaCl → AgCl + NaNO3.
6.
FLASHCARD QUESTION
Front
What is a subscript in a chemical equation?
Back
A subscript is a small number written after an element symbol in a chemical formula that indicates the number of atoms of that element in a molecule. Example: In H2O, the '2' is a subscript indicating there are two hydrogen atoms.
7.
FLASHCARD QUESTION
Front
What is a coefficient in a chemical equation?
Back
A coefficient is a number placed in front of a chemical formula in a reaction to indicate how many molecules or moles of that substance are involved. Example: In 2H2 + O2 → 2H2O, '2' is a coefficient.
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