Balancing Chemical Equations and Chlorine

The video tutorial demonstrates how to balance the chemical equation for selenium hexachloride (SeCl6) reacting with oxygen gas (O2). It begins by introducing the equation and counting the atoms on both sides. The tutorial then explains the steps to balance the equation by adjusting coefficients, ensuring the number of atoms for each element is equal on both sides. The video concludes with instructions on how to report the coefficients and a final review of the balanced equation.

What is the chemical formula for selenium hexachloride?

• Se2Cl6

• SeCl6

• SeCl2

• SeCl4

How many chlorine atoms are present in one molecule of SeCl6?

• 2

• 8

• 4

• 6

What is the first step in balancing the equation for SeCl6 and O2?

• Balance the entire equation at once

• Balance the chlorine atoms

• Balance the oxygen atoms

• Balance the selenium atoms

What coefficient is placed in front of Cl2 to balance the chlorine atoms?

• 2

• 5

• 3

• 4

What are the final coefficients for the balanced equation of SeCl6 and O2?

• 1, 1, 2, 3

• 1, 1, 1, 3

• 1, 2, 1, 3

• 1, 1, 1, 2