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How to Balance Mercury + Oxygen gas → Mercury (II) oxide |
How to Balance: Hg + O2 → HgO
Type of Chemical Reaction: This is a combination reaction.
Word Equation: Mercury + Oxygen gas → Mercury (II) oxide
| Balancing Strategies: To balance this equation it's probably easiest to begin by changing the coefficient in front of the HgO.
This is a combination reactions because the mercury (Hg) plus the oxygen gas (O2) come together to form the Mercury (II) oxide (MgO). For a complete explanation, watch:
About Balancing Chemical EquationsWhen balancing chemical equations our goal is to have the same number of each type of atom on both sides of the equation.Only change the coefficients (these are the numbers in front substances).
 Never change the subscripts (the small numbers after elements).
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