Balancing Equations

Front

Fill in the blanks with coefficient: PCl₅+_ H₂O→_ HCl+H₃PO₄

Back

4, 5

Front

Which equation is balanced?
Options:

PbO₂ + 2H₂--> H₂SO₄

,

SO₂ + H₂0 --> H₂SO₄

,

2Na + 2H₂O --> 2NaOH + H₂

,

2Na + 2H₂O --> 2NaOH + H

Back

2Na + 2H₂O --> 2NaOH + H₂

Front

Coefficient

Back

The large number to the left of a formula.

Front

Balance this equation
_Zn+_HCl-->_ZnCl₂ +_H₂

Back

1,2,1,1

Front

Balance this equation.
_Mg + _Cl₂ --> _MgCl₂

Back

already balanced

Front

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂ --> 2Al₂ O₃

Back

4

Front

The blue numbers in the image below represent ________

Back

subscripts

Front

Number of H in 3(NH₄)₂CrO₄

Back

24

Front

Which side of a chemical equation is the product side?

Back

Right (after the arrow)

Front

Which side of a chemical equation is the reactant side?

Back

Left (before the arrow)