Balancing Zinc and Phosphorus Reactions

The video tutorial explains how to balance a chemical equation involving zinc and phosphorus to form zinc phosphide. It begins by identifying the reactants and products, then counts the atoms on each side of the equation. The tutorial demonstrates how to adjust coefficients to balance the number of zinc and phosphorus atoms, ensuring the equation is balanced. Finally, it verifies the balanced equation by checking the atom ratios on both sides.

What are the reactants in the chemical equation discussed in the video?

• Zinc and nitrogen

• Phosphorus and oxygen

• Zinc and oxygen

• Zinc and phosphorus

What is the product formed when zinc reacts with phosphorus?

• Zinc oxide

• Zinc phosphide

• Zinc nitrate

• Zinc sulfate

How many zinc atoms are needed to balance the equation?

• One

• Two

• Three

• Four

What coefficient is placed in front of phosphorus to balance the equation?

• One

• Two

• Three

• Four

How many phosphorus atoms are present on the product side after balancing?

• Two

• Four

• Three

• One

What is the correct ratio of zinc to phosphorus in the balanced equation?

• 1:1

• 2:3

• 3:2

• 1:2