What is a common sign that a chemical change has occurred?
M-8 L-2Balancing Chemical Equations and Types of Reactions

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Chemistry
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A chemical has turned a different color, bubbled, and/or changed temperature.
2.
FLASHCARD QUESTION
Front
What type of reaction is represented by the equation: 2 NH₃ + H₂SO₄ → (NH₄)₂SO₄?
Back
Synthesis
3.
FLASHCARD QUESTION
Front
What must be true about the number of atoms in a chemical reaction?
Back
The number of atoms you begin with must be the same as the number of atoms you end with.
4.
FLASHCARD QUESTION
Front
What type of reaction is represented by the equation: 2 H₃AsO₄ → As₂O₅ + 3 H₂O?
Back
Decomposition
5.
FLASHCARD QUESTION
Front
What does the arrow in a chemical equation represent?
Back
Yields
6.
FLASHCARD QUESTION
Front
Define a chemical equation.
Back
A symbolic representation of a chemical reaction showing the reactants and products.
7.
FLASHCARD QUESTION
Front
What are reactants in a chemical reaction?
Back
Substances that undergo change during a chemical reaction.
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