Magnesium Burns in Air with a Dazzling Brilliance to Produce

question 187

Multiple Choice

Magnesium burns in air with a dazzling brilliance to produce magnesium oxide: 2 Mg(s) + (g) → 2 MgO(s)
When 3.50 g of magnesium burns,the theoretical yield of magnesium oxide is ________ g.

• A) 3.50
• B) 5.80
• C) 0.144
• D) 2.90
• E) 11.6

---

Definitions:

Short-run Supply Curve

A graphical representation showing the quantity of a good that producers are willing to sell at different prices in the short run, where at least one input is fixed.

Cost Curves

Graphical representations that show the cost of production at different levels of output.

Identical

Identical means exactly the same, without any difference in form, nature, or substance, often used to describe objects, products, or entities.

Long-run Equilibrium

A state in which all factors of production and inputs in a market are fully adjusted to the market conditions, allowing for steady-state operation without excess supply or demand.