Chemical formula and balancing equation

Front

PCl₅ + ___ H₂O → ___ HCl + H₃PO₄

Back

4, 5

Front

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

Back

1,2,1,2

Front

Balance this equation.
_SnO₂ +_H₂-->_Sn +_H₂O

Back

1,2,1,2

Front

Balance this equation
_Al +_HCl --> _H₂ +_AlCl₃

Back

2, 6, 3, 2

Front

Balance this equation:
_CH₄ + _O₂ --> _CO₂ + _H₂O

Back

1,2,1,2

Front

Which equation is correctly balanced?
Options: PbO₂ + 2H₂--> H₂SO₄, SO₂ + H₂0 --> H₂SO₄, 2Na + 2H₂O --> 2NaOH + H₂, 2Na + 2H₂O --> 2NaOH + H

Back

2Na + 2H₂O --> 2NaOH + H₂

Front

Number of H in 3(NH₄)₂CrO₄

Back

24

Front

Balance this equation: P₄+O₂--> P₂O₃

Back

P₄+ 3 O₂--> 2 P₂O₃

Front

What is the correct formula for the compound, lithium oxide? Options: LiO, Li₂O, LiO₂, Li₂O₂

Back

Li₂O

Front

What is the chemical formula of potassium carbonate?

Back

K₂CO₃