balance equations practice

Front

How many elements are in C₆H₁₂O₆?

Back

3

Front

How many atoms of carbon (C) are in C₆H₁₂O₆?

Back

6

Front

H₂O: Element or compound?

Back

compound

Front

How many atoms are there TOTAL in:
H₂SO₄?

Back

7

Front

How many TOTAL atoms are in the following chemical formula?
3H₂O

Back

9

Front

How many atoms of hydrogen (H), sulfur (S), and oxygen (O) are there in sulfuric acid (H₂SO₄)?

Back

H-2, S-1, O-4

Front

Why must chemical equations be balanced?

Back

Based on the Law of Conservation of Matter, matter cannot be created or destroyed.

Front

Balance this equation:
HgO --> Hg + O₂

Back

2HgO --> 2Hg + O₂

Front

Reactants in the reaction: 2Mg + O₂ ---> 2MgO

Back

Mg and O₂

Front

How many oxygens are in Al₂(SO₄)₃?

Back

12