How many kilo joules of heat are required to the decompost 1.96 mol Nah I 3(s)
1 answer:
Heat required = = 126.42 kJ
<h3>Further explanation</h3>Given
1.96 mol NaHCO₃(s)
Required
Heat needed
Solution
Reaction( decomposition of Baking soda (NaHCO₃) :
2NaHCO₃ (s) + 129 kJ ⇒ Na₂CO₃ (s) + H₂O (g) + CO₂ (g)
For 2 mol NaHCO₃ , heat needed = 129 kJ
conversion factor :
So for 1.96 mol :
= 1.96 mol x (129 kJ/2 mol)
= 126.42 kJ
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The decomposition reaction for hydrogen peroxide is given below:
2
→ 2
O +
This is a decomposition reaction.
Reactions in which a reactant breaks into two or more products are known as Decomposition reactions.
AB → A + B
here, AB represents the reactant that begins the reaction, and A and B represent the products of the reaction
The decomposition reaction of decomposing hydrogen peroxide is exothermic. When the hydrogen peroxide undergoes a decomposition reaction, heat is also released along with water and oxygen.
Hence the reaction for decomposing hydrogen peroxide is :
2
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If you need to learn more about Decomposition reaction, click here
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