What is a coefficient in a chemical equation?
Types of Reactions

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•
Chemistry
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A coefficient is a number placed in front of a chemical formula to indicate how many molecules or moles of that substance are involved in the reaction.
2.
FLASHCARD QUESTION
Front
What type of reaction is represented by the equation: Fe + H2O4 → Fe2(SO4)3 + H2?
Back
Single replacement reaction.
3.
FLASHCARD QUESTION
Front
What is the general formula for a decomposition reaction?
Back
AB → A + B.
4.
FLASHCARD QUESTION
Front
What type of reaction is represented by the equation: 2Pb(NO3)2 → 2PbO + 4NO2 + O2?
Back
Decomposition reaction.
5.
FLASHCARD QUESTION
Front
What type of reaction is represented by the equation: 2NO2 → N2 + 2O2?
Back
Decomposition reaction.
6.
FLASHCARD QUESTION
Front
Define a synthesis (combination) reaction.
Back
A synthesis reaction is a type of chemical reaction where two or more simple substances combine to form a more complex product, represented as A + B → AB.
7.
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 or heat, typically producing carbon dioxide and water.
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