Question

calcium carbonate is heated and under goes decomposition explain the reaction by giving balance chemical equation​

Answer 1

Answer:

Calcium carbonate will decompose to form carbon dioxide and calcium oxide.

Carbonate compounds will decompose when heated.

Here is the balanced equation for this reaction:

CaCO3(s) -> CaO(s) + CO2(g)

Calcium carbonate has a 1:1 ratio because calcium forms a +2 ion and carbonate has a -2 charge.

Calcium oxide must have the formula CaO because calcium forms an ion with a +2 charge and oxide has a -2 charge.

Explanation:

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Answer 2

Explanation:

Chemical reaction involved is:

CaCO

3

→CaO+CO

2

Molar mass of CaCO

3

=40+12+16×3=100 g

According to the balanced reaction 100 g of CaCO

3

produces 1 mol of CO

2

i.e. 22.4 L at STP.

∴50 g CaCO

3

will produce

100

22.4

×50=11.2 L CO

2

at STP.

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