What does the Law of Conservation of Mass state?
Balancing Equations

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Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Matter cannot be created or destroyed in a chemical reaction.
2.
FLASHCARD QUESTION
Front
Balance the equation: __H2 + __Cl2 --> __HCl
Back
H2 + Cl2 --> 2HCl
3.
FLASHCARD QUESTION
Front
What type of reaction involves the breaking down of a substance into simpler substances?
Back
Decomposition Reaction
4.
FLASHCARD QUESTION
Front
In the equation, 2Mg + O2 --> 2MgO, which are the reactants?
Back
Mg and O2
5.
FLASHCARD QUESTION
Front
Is this equation balanced? 2H2 + O2 --> 2H2O
Back
yes
6.
FLASHCARD QUESTION
Front
What is a synthesis reaction?
Back
A reaction where two or more substances combine to form a new compound.
7.
FLASHCARD QUESTION
Front
What is a single displacement reaction?
Back
A reaction where one element replaces another in a compound.
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