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devlian [24]
4 years ago
12

In order to answer this question, you need to look around your immediate surroundings to find examples of rusting of iron or any

other metal. i. What makes iron rust? ii. Why is the rusting of iron a problem? Give any 3 examples from daily life where rusting has been a disadvantage. iii. Suggest any two ways that can help prevent rusting of iron.
Chemistry
1 answer:
wariber [46]4 years ago
7 0

Answer:

(i) rusting is caused by the reaction of oxygen and water on the surface of metals(iron).

(ii) rusting of iron makes it weak and dangerous for buildings since their foundation is made of iron, rusting renders cars useless, rusting can cause accidents.

(iii) by galvanizing iron

and by coating it.

Explanation:

hope it helps .

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What volume of carbon dioxide will be produced if 2. 90 moles of iron (fe) is produced?
AlexFokin [52]

The volume of carbon dioxide that will be produced is 191.4 g.

Calculation:

The following is the balanced equation for the given reaction:

Fe₂O₃(s) + 3CO(g) → 2Fe(s) + 3CO₂(g),

It is obvious that when 1.0 mole of Fe2O3 reacts with 3.0 mole of CO, 2.0 mole of Fe and 3.0 mole of CO2 are produced.

Hence by using cross multiplication:

If 2.0 mol of Fe was produced with → 3.0 mol of CO₂, from stoichiometry.

Then how many moles of CO₂ are produced by 2.9 mol of Fe?

To find the answer we have a formula:

∴ The no. of moles of CO₂ produced = (3.0 mol)(2.9 mol)/(2.0 mol) = 4.35 mol.

∴ The mass of CO₂ produced = no. of moles x molar mass = (4.35 mol)(44.0 g/mol) = 191.4 g.

Learn more about the balanced reaction here:

brainly.com/question/15355912

#SPJ4

6 0
2 years ago
Which is an example of ionization?
Reptile [31]
Ionization is a formation of ions from neutral atoms or molecules.

SO₂ + H₂O = HSO₃⁻ + H⁺

Mg(OH)₂ = Mg²⁺ + 2OH⁻
3 0
3 years ago
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How to find the charge of an element
katrin2010 [14]

Answer:

the atomic number is how you find the charge

7 0
4 years ago
A reaction occurs when a solid X is placed into a solution Y as a result the temp of the new solution increases by 3.C the temp
saw5 [17]

Answer:

Fneneicjcd

Explanation:

4 0
4 years ago
If the strike of a unit is 10 degrees west of north, what is the correct notation? A ONW10 B N10W C Northwest 10 D) S10E​
IgorC [24]

Answer:

N10W

Explanation:

Strike is the direction of line formed by the intersection of a rock surface with a horizontal plane. Strike and dip are always perpendicular to each other on a map. On a fold, the AXIS is the ridge or plane of sharpest folding.In the question option (B) is correct option.

correct notation is N10W if the strike of a unit is 10 degrees west of north.

6 0
2 years ago
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