Balancing Chemical Equations Practice

The video tutorial explains how to balance the chemical equation for SnO plus NF3. It begins by counting the atoms and choosing to balance nitrogen first, which helps in balancing fluorine. The tutorial then proceeds to balance tin and oxygen atoms, resulting in a balanced equation. The video concludes with an explanation of the double displacement reaction, where tin and nitrogen switch places with oxygen and fluorine.

What is the first step in balancing the chemical equation for tin(II) oxide and nitrogen trifluoride?

• Count the number of oxygen atoms.

• Count the number of nitrogen atoms.

• Count the number of tin atoms.

• Count the number of all atoms.

Why is it beneficial to start balancing with nitrogen in this equation?

• It balances the oxygen atoms first.

• It results in an even number of fluorine atoms.

• It results in an odd number of fluorine atoms.

• It simplifies the equation immediately.

What coefficient is used in front of NF3 to balance the nitrogen atoms?

• 4

• 3

• 2

• 1

After balancing nitrogen, how many fluorine atoms are present on each side of the equation?

• Four

• Seven

• Five

• Six

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

• 4

• 3

• 2

• 1

How many tin atoms are present on each side after balancing?

• One

• Two

• Three

• Four

What type of reaction is demonstrated in this equation?

• Decomposition

• Synthesis

• Double displacement

• Single displacement

In a double displacement reaction, what happens to the elements involved?

• They combine to form a single product.

• They switch places with each other.

• They remain unchanged.

• They decompose into simpler substances.