Balancing Chemical Equations Concepts

The video tutorial explains how to balance the chemical equation Ba + Br2, identifying it as a combination or synthesis reaction. It details the process of counting atoms on each side to ensure the equation is balanced, noting that the equation is already balanced with coefficients of 1. The video concludes by identifying the product as barium bromide.

What type of reaction occurs when two substances combine to form one?

• Double replacement reaction

• Single replacement reaction

• Combination reaction

• Decomposition reaction

What is the first step in balancing a chemical equation?

• Change the chemical formulas

• Remove atoms from the equation

• Count the atoms on each side

• Add coefficients randomly

In the equation Ba + Br2, how many bromine atoms are present on the product side?

• Two

• Four

• One

• Three

What does it mean if an equation is already balanced?

• The number of atoms is the same on both sides

• The number of atoms is different on each side

• The equation has no coefficients

• The equation cannot be balanced

When reporting coefficients for a balanced equation, what is the convention if the coefficient is one?

• Do not write the number

• Write the number one

• Write the number in brackets

• Use a zero instead

What is the chemical name for BaBr2?

• Barium oxide

• Barium bromide

• Barium chloride

• Barium sulfate