Under very specific circumstances it can, however, the normal reaction between CaSO3 and heat in the presence of O2 (in air, for example) is to create CaSO4. A good example is the dry lime flue gas desulfurization process. In a non-forced oxidation process, CaO (lime) readily reacts with SO2 forming CaSO3 in flue gas, which is then recovered as a solid. With added oxygen (the forced oxidation process), the CaSO3 in the flue gas oxidizes to CaSO4, which is then recovered as a solid.
In air, even at room temperatures, CaSO3 slowly oxidizes to CaSO4.
That said, in order to get from CaSO3 to CaO and SO2, you have to heat it under reducing conditions to drive off the oxygen, creating CaS, cleave the Ca-S bond, then perform an oxidation reaction to form recoverable CaO and SO2.
It decomposes into calcium oxide and carbon dioxide...
Calcium carbonate thermally decomposes when heated to form calcium oxide powder and carbon dioxide gas. The word equation: calcium carbonate --> calcium oxide + carbon dioxide As a symbol equation: CaCO3 --> CaO + CO2
When calcium carbonate is heated, it breaks down by thermal decomposition to carbon dioxide & calcium oxide (quicklime). Here is the word equation: Calcium carbonate --> Calcium oxide + Carbon dioxide Here is the chemical equation: CaCO3 (s) --> CaO (s) + CO2 (g)
carbon dioxide is produced when it is heated
No, limestone is a carbonate rock formed through chemical precipitation. Sandstone is a classification used for sedimentary rocks ranging in various sizes and compositions. Limestone is CaCO3 where as sandstones are usually quartz (SiO2) and feldspars.
It decomposes into calcium oxide and carbon dioxide
It decomposes into calcium oxide and carbon dioxide...
It decomposes into calcium oxide and carbon dioxide...
calcium nitrate decomposes upon heating to release nitrogen dioxide
Calcium carbonate thermally decomposes when heated to form calcium oxide powder and carbon dioxide gas. The word equation: calcium carbonate --> calcium oxide + carbon dioxide As a symbol equation: CaCO3 --> CaO + CO2
Lead dioxide decomposes upon getting heated.
Heating of limestone is a decomposition reaction as limestone decomposes to give calcium oxide and carbon dioxide.
calcium carbona
CaCo3 heated & gives CaO+Co2
When calcium carbonate is heated, it breaks down by thermal decomposition to carbon dioxide & calcium oxide (quicklime). Here is the word equation: Calcium carbonate --> Calcium oxide + Carbon dioxide Here is the chemical equation: CaCO3 (s) --> CaO (s) + CO2 (g)
Limestone is calcium carbonate (CaCO3) which when heated to above 840°C decomposes into calcium oxide (CaO) while releasing carbon dioxide (CO2) according to the equation: CaCO3 → CaO + CO2
Sucrose