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IceJOKER [234]
4 years ago
6

Why is it not advisable to use iron in making steam boilers​

Chemistry
2 answers:
Lina20 [59]4 years ago
7 0

Answer:

Its because the steam promotes rust

Explanation:

Water vapour tends to oxidise iron...hence promoting rust

IgorLugansk [536]4 years ago
7 0

Answer:

Because iron would react with water. When hot water react with iron, it would make iron to expand and when cold water react with it, it would be crack so iron is not advisable to be made as steam boilers

Hope this helped :3

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If 6.0g of carbon is heated in air the mass of the product obtained could be either 22.0g or 14.0g depending on the amount of ai
Gnom [1K]

In accordance with Dalton's Law of multiple proportions

<h3>Further explanation</h3>

Given

6.0g of carbon

22.0g or 14.0g of product

Required

related laws

Solution

the amount of air present ⇒ as an excess or limiting reactant

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C+0.5O₂⇒CO

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mol CO= 2 x mol O₂ = 0.5 mol = 0.5 x 28 g/mol = 14 g

  • air(O₂) as an excess reactant(product=22 g) an C as a limiting reactant

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mol O₂ = 16 g : 32 g/mol=0.5

mol CO₂ = 22 g : 44 g/mol = 0.5

if the mass firs element (C) constant, then the mass of the second element(O) in the two compounds will have a ratio as a simple integer.

CO = 6 : 8

CO₂ = 6 : 16

the ratio O = 8 : 16 = 1 : 2

In accordance with Dalton's Law of multiple proportions

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3 years ago
What is the conclusive evidence that mixing sugar in the water is a physical change
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Explanation:

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The coefficient of Fe is 2, Cl is 2, and product would be 2 as well.

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