Question

For each of the following chemical reactions, write a word equation, a skeleton equation, and a balanced chemical equation. Be sure to show the state of each reactant and product.

In the first step of refining zinc metal from its zinc sulfide ore, the ore is heated in the presence of oxygen. The products are solid zinc oxide and sulfur dioxide gas?

Answer 1

The reaction of refining zinc from zinc sulfide ore heated in oxygen produces zinc oxide and sulfur dioxide. The word, skeleton, and balanced chemical equations are provided, representing the reactants and products along with their physical states.

Step-by-step explanation:

The reaction that takes place when zinc sulfide ore is heated in the presence of oxygen to refine zinc involves zinc and sulfur dioxide as products. Below are the word equation, skeleton equation, and balanced chemical equation for this reaction:

• Word equation: Zinc sulfide + Oxygen → Zinc oxide + Sulfur dioxide
• Skeleton equation: ZnS(s) + O2(g) → ZnO(s) + SO2(g)
• Balanced chemical equation: 2 ZnS(s) + 3 O2(g) → 2 ZnO(s) + 2 SO2(g)

This balanced equation indicates that two moles of zinc sulfide react with three moles of oxygen to produce two moles of zinc oxide and two moles of sulfur dioxide. The states of the reactants and products have been indicated as solid (s) and gas (g) respectively.