M-8 L-2Balancing Chemical Equations and Types of Reactions

Front

What is a common sign that a chemical change has occurred?

Back

A chemical has turned a different color, bubbled, and/or changed temperature.

Front

What type of reaction is represented by the equation: 2 NH₃ + H₂SO₄ → (NH₄)₂SO₄?

Back

Synthesis

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.

Front

What type of reaction is represented by the equation: 2 H₃AsO₄ → As₂O₅ + 3 H₂O?

Back

Decomposition

Front

What does the arrow in a chemical equation represent?

Back

Yields

Front

Define a chemical equation.

Back

A symbolic representation of a chemical reaction showing the reactants and products.

Front

What are reactants in a chemical reaction?

Back

Substances that undergo change during a chemical reaction.

Front

What are products in a chemical reaction?

Back

Substances that are formed as a result of a chemical reaction.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is a synthesis reaction?

Back

A reaction where two or more substances combine to form a single product.