Ca + O = CaO.
CaCO3
2Ca + O2 ------> 2CaO
c+h2o
Hydrogen gas is released when calcium and water react.
CaCO3 (s) -----> CaO (s) + CO2 (g)
2Ca(s) + O2(g) ----> 2CaO(s)
CaCO3
calcium oxide --> calcium + oxygen
O
Ca(ClO3)2 --> CaCl2 + 3O2 is the equation for calcium chlorate to calcium chloride + oxygen gas.
2Ca + O2 ------> 2CaO
c+h2o
Ca+O=CaO
Hydrogen gas is released when calcium and water react.
It is CaCO3, also known as Calcium Carbonate.
CaCl2 + 2H2O so it makes Calcium chloride and water. ==
2Ca+O2---->2CaO