Match each substance with either acid or base. 1. ammonia baking soda 2. lemon juice boric 3. base base 4. acid acid

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

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)

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.