balancing chemical equations

Front

Balance the equation: Al₂O₃ → Al + O₂

Back

2 Al₂O₃ → 4 Al + 3 O₂

Front

Enter the coefficients for the reaction: _ P + _ O₂ → P₄O₁₀

Back

4 5, 4,5

Front

Balance the equation: AgF + CaCl₂ → AgCl + CaF₂

Back

2 AgF + CaCl₂ → 2 AgCl + CaF₂

Front

Balance the equation: _AlBr₃ + _K₂SO₄ → _KBr + _Al₂(SO₄)₃

Back

2 AlBr₃ + 3 K₂SO₄ → 6 KBr + 1 Al₂(SO₄)₃

Front

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂--> 2Al₂O₃

Back

4

Front

How many atoms are represented in the reactants of this equation? Options: 6, 12, 24, 36

Back

36

Front

Balance the equation: _AgNO₃ + _Cu →_Cu(NO₃)₂ + _Ag

Back

2 AgNO₃ + 1 Cu → 1 Cu(NO₃)₂ + 2 Ag

Front

Balance this equation: H₂ + Cl₂ ---> HCl

Back

H₂ + Cl₂ ---> 2HCl

Front

How many oxygen atoms are produced?

Back

4

Front

Photosynthesis equation

Back

6CO2 + 6H20 --light--> C6H12O6 + 6O2