Question

Convey the following information in the form of a balanced chemical equation:-

a. solid potassium nitrate decomposes into solid potassium nitrite and oxygen

b. Calcium carbonate decomposes (heated) to produce calcium oxide and oxygen​

Answer 1

Answer:

2 KNO3 --> 2KNO2 & O2

CaCO3  ---> Cao + CO2

Explanation:

The thermal decomposition reactions are defined as the chemical reactions in which the reactant molecules decompose due to the heating of it at high temperature. This is basically a type of a decomposition reaction.  

Potassium nitrate decomposes to form potassium nitrite  and oxygen gas .

Since the process occurs due to the heating of potassium nitrate, therefore, it is an example of a thermal decomposition reaction.  

The balanced chemical equation is  expressed as:

2 KNO3 --> 2KNO2 & O2

Calcium carbonate decomposes to form calcium oxide and CO2 os released.

The balanced chemical equation is  expressed as:

CaCO3  ---> Cao + CO2

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