Zinc Oxide and Carbon Reactions

The video tutorial explains a chemical reaction involving zinc oxide and carbon. When heated to about 2000 degrees Celsius, zinc oxide decomposes into zinc vapor and carbon monoxide. The zinc vapor condenses into solid zinc upon cooling. The tutorial also covers balancing the chemical equation, showing that it is already balanced with coefficients of 1 for each element. Dr. B concludes by summarizing the reaction and its products.

What are the reactants in the reaction discussed in the video?

• Zinc and carbon dioxide

• Oxygen and carbon

• Zinc vapor and carbon monoxide

• Zinc oxide and carbon

At what temperature does the reaction between zinc oxide and carbon occur?

• 1000 degrees Celsius

• 2000 degrees Celsius

• 1500 degrees Celsius

• 2500 degrees Celsius

What are the products formed when zinc oxide reacts with carbon?

• Zinc and oxygen

• Zinc vapor and carbon monoxide

• Zinc oxide and carbon dioxide

• Carbon and zinc oxide

What happens to zinc vapor when it cools down?

• It decomposes further

• It turns into carbon monoxide

• It condenses into solid zinc

• It remains as vapor

How many zinc atoms are present on each side of the balanced equation?

• None

• One

• Two

• Three

What is the coefficient for carbon in the balanced equation?

• 1

• 0

• 3

• 2