Balancing Chemical Equations

Front

In this image, the symbols in red are called the_______.

Back

Reactants

Front

In this image, the symbols to the right of the arrow (in black) are called the _______.

Back

Products

Front

Consider the following: 2 C₆H₁₂O₆. How many carbon atoms are shown?

Back

12

Front

Balance this equation:
H₂ + Cl₂ --> HCl

Back

H₂ + Cl_{2 -->} 2HCl

Front

Which of the following shows the correct way to balance the chemical equation?
Fe + O₂ -> Fe₂O₃
Options: 4Fe + 3O₂ -> 2Fe₂O₃, 2 Fe + 3O₂ -> Fe₂O₆, 4 Fe + O₆ -> 2Fe₂O₃, None of the options are correctly balanced.

Back

4Fe + 3O₂ -> 2Fe₂O₃

Front

Balance the equation: _Na₃PO₄₊_KOH   --->
_NaOH + _ K₃PO₄

Back

Na₃PO₄+3 KOH
--->
3 NaOH +  K₃PO₄

Front

Balance this equation:
_CF₄ + _Br₂ -- _CBr₄ + _F₂

Back

1,2,1,2

Front

Identify the unbalanced equation from the following:
CaCO₃ --> CaO + CO₂,

PbO₂ + 2H₂--> Pb + 2H₂O

, 2Na+ 2H₂O-->2NaOH + H₂, CS₂ + 2O₂ --> CO₂ + 2SO₂

Back

CS₂ + 2O₂ --> CO₂ + 2SO₂

Front

Which problem is balanced?
Options: PbO₂ + 2H₂, SO₂ + H₂O --> H₂SO₄, 2Na + 2H₂O --> 2NaOH + H₂

Back

2Na + 2H₂O --> 2NaOH + H₂

Front

Balance the equation: NH₃ + O₂ ----> NO + H₂O

Back

4,5,4,6