N2(g) + 3H2(g) → 2NH3(
What is the rate?

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a.soft fossils b.mold fossils c.index fossils d.trace fossils