Balancing Chemical Reaction Lesson

Open Ended

What are examples from the Chemical Reaction Station lab we did previously in class that display two of the types of evidence of a chemical reaction?

Open Ended

How did the popcorn lab demonstrate the law of conservation of matter?

Diatomic Molecules

Please don't forget these 7 elements occur in pairs whenever they are by themselves in a reaction.

For example: KCl → K + Cl₂

Make sure you add the examples in the following video to your notes.

Multiple Choice

What was added to balance the equation?

• Exponents
• Constants
• Variables
• Coefficients

Multiple Choice

What type of chemical reaction was this equation?

• synthesis

• decompostion

• combustion

• double displacement

Multiple Choice

What is not changed when balancing a chemical equation?

• coefficient

• subscript

• atoms

• states of matter

Multiple Choice

What type of chemical reaction is this?

• synthesis

• double displacement

• single displacement

• decomposition

Open Ended

What is the first thing you need to do when trying to balance a chemical equation?

Open Ended

Because there were multiple O atoms in both the reactant and product, what did he do prior to balancing them.

Open Ended

How many of each element is in the following compound

Fe(OH)₂?

Open Ended

What elements did he state to save for last in this type of equation and why?

Now that you have gone through some examples now its time to practice on your own.
Complete the Balancing Chemical Reactions Practice on Schoology. Show your work.