Chemistry final exam

Front

What type of reaction is represented in the equation: @@NaClO_3 ightarrow NaCl + O_2@@?

Back

Decomposition

Front

What is the left part of a chemical equation called in the equation: 2H_2 + O_2 --> 2H_2O?

Back

Reactants

Front

What type of reaction is represented by the image of two solutions mixing and forming a precipitate?

Back

Double Replacement

Front

Which of the following equations is balanced? PbO_2 + 2H_2 + SO_2 + H_2O --> H_2SO_4, 2Na + 2H_2O --> 2NaOH + H_2

Back

2Na + 2H_2O --> 2NaOH + H_2

Front

Balance the equation: _CF_4 + _Br_2 --> _CBr_4 + _F_2.

Back

1,2,1,2

Front

What is a synthesis reaction?

Back

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

Front

What is a decomposition reaction?

Back

A reaction where a single compound breaks down into two or more simpler products.

Front

What are reactants in a chemical equation?

Back

Substances that undergo a chemical change in a reaction.

Front

What are products in a chemical equation?

Back

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

Front

What does it mean to balance a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.