Balancing Lithium and Nitrogen Equations

The video tutorial explains how to balance a chemical equation involving lithium and nitrogen to form lithium nitride. It begins by counting the atoms on both sides of the equation, then proceeds to balance the nitrogen atoms by adjusting coefficients. Once the nitrogen is balanced, the lithium atoms are balanced by placing a coefficient in front of the lithium. The tutorial concludes with a balanced equation and a summary of the process.

What is the initial number of lithium atoms on the reactant side of the equation?

• Two

• One

• Six

• Three

How many nitrogen atoms are present on the product side before balancing?

• Three

• Two

• Four

• One

What coefficient is placed in front of Li3N to balance the nitrogen atoms?

• 1

• 2

• 3

• 6

After balancing nitrogen, how many lithium atoms are on the product side?

• Two

• Three

• Six

• Nine

What coefficient is used to balance lithium atoms on the reactant side?

• 4

• 3

• 6

• 2

What is the final balanced equation for lithium reacting with nitrogen gas?

• 6Li + N2 → 2Li3N

• 3Li + N2 → Li3N

• 2Li + N2 → 2Li3N

• Li + N2 → Li3N