Chemical Equation 2

______ is the end result of a chemical reaction. (Right Side)

• Product

• Deleting atoms and matter

• Subscript

• Reactant

The SMALLER number to the lower right of an element that shows the number of atoms bonded is called ? For example, H₂

• Product

• Subscript

• Chemical Formula

• Reactant

What does the Law of Conservation of Matter state?

• Matter cannot be created or destroyed in a chemical reaction, it just changes into something new/changes form.

• Matter can only be lost in a chemical reaction.

• Matter can only be gained in a chemical reaction.

• Matter can be gained and lost in a chemical reaction.

How many elements are in C₆H₁₂O₆?

• 1

• 6

• 3

• 24

The products of a reaction have the same ________as the reactants.

• molecule

• atoms

• subscripts

• coefficients

What coefficient should be used to make the following equation balanced?
N₂+O₂--> _NO 

• 1
• 2
• 3
• 4

Is the following equation balanced?
2C₂H₂ + 5O₂ --> 4CO₂ + 2H₂O

• yes
• no

Is the following equation balanced?
4Fe + 3O₂ --> 2Fe₂O₃

• yes
• no

Balance the following equation:

___ SeCl₆+ ___ O₂→___ SeO_{2+____}Cl₂

• 1, 1, 1, 3

• 2, 1, 2, 1

• 1, 2, 1, 2

• 2, 2, 2, 4

Which equation is balanced?

• PbO₂ + 2H₂

• SO₂ + H₂0 --> H₂SO₄

• 2Na + 2H₂O --> 2NaOH + H₂