Sulfur and Oxygen Reactions

The video tutorial explains the reaction between octa sulfur (S8) and oxygen gas (O2) to form sulfur dioxide (SO2). It identifies this as a combination or synthesis reaction, where two substances combine to form one. The video also covers the general form of combination reactions, the states of matter for each reactant and product, and how to balance the chemical equation. The tutorial concludes by reiterating the type of reaction and thanking viewers.

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

• Sulfur and water

• Sulfur and oxygen

• Oxygen and hydrogen

• Sulfur and nitrogen

What type of reaction is S8 + O2 → SO2?

• Double replacement reaction

• Combination reaction

• Single replacement reaction

• Decomposition reaction

What is the general form of a combination reaction?

• A + B → AB

• AB → A + B

• A + B → C + D

• AB + CD → AD + BC

What is the state of sulfur (S8) in the reaction?

• Liquid

• Aqueous

• Gas

• Solid

What is the state of SO2 in the reaction?

• Liquid

• Solid

• Gas

• Aqueous

How many oxygen molecules are needed to balance the equation S8 + O2 → SO2?

• 4

• 8

• 16

• 2

What is the balanced equation for the reaction between sulfur and oxygen?

• S8 + 16O2 → 8SO2

• S8 + 8O2 → 8SO2

• S8 + 4O2 → 4SO2

• S8 + 2O2 → 2SO2