Select the answer in which this equation is properly balanced: [C1] C₂H₆ + [C2] O₂ →[C3] CO₂ + [C4] H₂O

Identify the oxidation-reduction reactions among the following: Zn (s) + Cu2+ (aq)  →  Zn2+ (aq) + Cu (s) 2 Na (s) + Cl2 (aq)  →  2 NaCl (s) 2 Mg (s) + O2 (g)  →  2 MgO (s)

Leachate collection is no longer required in the state of Florida as of 2010.

Which of the following symbols represent a potassium ion with 18 electrons?

Select the answer in which this equation is properly balanced:  __ KOH + __ H₃PO₄ → __ K₃PO₄ + __ H₂O

Solve the following problem, and select the correctly rounded answer choice:  339.41 + 4.369 = (Select the BEST answer choice)

All elements have four or more naturally occurring isotopes. 

Select the answer in which this equation is properly balanced: __ FeS + __ O₂ → __ Fe₂O₃ + __ SO₂

When fuel is burned in oxygen, the products are carbon dioxide and water. If 12 grams of water and [x] grams of carbon dioxide are produced from [y] grams of oxygen, how many grams of fuel must have burned?

What is the database that FDEP uses to manage records for waste management?