Balancing Chemical Equations Practice

This video tutorial demonstrates how to balance the chemical equation Fe2O3 + HCl. It begins by counting the atoms on both sides of the equation, then proceeds to balance the iron and chlorine atoms. The tutorial continues by balancing the hydrogen and oxygen atoms, emphasizing the strategy of leaving these elements for last. The video concludes with a verification of the balanced equation, highlighting the importance of a systematic approach to balancing chemical equations.

What is the initial count of iron atoms on the reactant side of the equation Fe2O3 + HCl?

• 1

• 4

• 2

• 3

How many chlorine atoms are there on the product side before balancing?

• 1

• 6

• 2

• 3

What coefficient is placed in front of FeCl2 to balance the iron atoms?

• 3

• 4

• 2

• 1

To balance the chlorine atoms, what coefficient is used in front of HCl?

• 8

• 2

• 4

• 6

What coefficient is used in front of H2O to balance the hydrogen atoms?

• 1

• 2

• 3

• 4

After balancing, how many hydrogen atoms are there on each side of the equation?

• 8

• 6

• 4

• 2

What is a good strategy for balancing chemical equations according to the video?

• Balance non-metals first

• Balance hydrogen and oxygen last

• Balance metals first

• Start with hydrogen and oxygen