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natali 33 [55]
3 years ago
11

Compounds usually have the same properties as the bonds they are made from true or false

Chemistry
1 answer:
gavmur [86]3 years ago
8 0
Well , I will say this is a false statement.
This is because compounds which were all made by the same bond have same physical properties but different chemical properties.

Chemical Properties :
How do the subtances react with ( water, acid,alkaline, base , gas like oxygen, etc. )

Physical Properties :
- Solubility of those subtances in (water or organic solvent )
- Electric Conductivity
- Melting or Boiling Point
- Density
- Smell (exp : Ammonia has pungent smell , Esters has fruity smell)
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3 years ago
If 0.905 mol Al2O3 is produced in the reaction, what mass of Fe in product's
Marrrta [24]

<u>Answer:</u> Amount of iron produced is 101.36 grams.

<u>Explanation:</u>

For the reaction of aluminium and iron oxide, the equation follows:

2Al+Fe_2O_3\rightarrow Al_2O_3+2Fe

By Stoichiometry of the reaction,

When 1 mole of aluminium oxide is produced, then 2 moles of iron is also produced.

So, when 0.905 moles of aluminium oxide is produced, then \frac{ 2}{1}\times 0.905mol=1.81moles of iron is also produced.

Now, to calculate the amount of iron produced, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

Molar mass of iron = 56 g/mol

Moles of iron = 1.81 moles

Putting values in above equation, we get:

1.81mol=\frac{\text{Mass of iron}}{56g/mol}\\\\\text{Mass of iron produced}=101.36g

Hence, amount of iron produced is 101.36 grams.

3 0
3 years ago
Write the equation for the dissolution of sodium carbonate in water as found in your laboratory guide.
Arisa [49]
Na₂CO₃(s) → 2Na⁺(aq) + CO₃²⁻(aq)
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CO₃²⁻ + H₂O ⇄ HCO₃⁻ + OH⁻
HCO₃⁻ + H₂O ⇄ H₂CO₃ + OH⁻

pH>7 alkaline solution

2Na⁺ + CO₃²⁻ + 2H₂O ⇄ 2Na⁺ + 2OH⁻ + H₂CO₃
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3 years ago
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