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Lady bird [3.3K]
3 years ago
11

Is the chemical equation 4AI + 2O₂ → 2AI2O₃ balanced?

Chemistry
1 answer:
o-na [289]3 years ago
6 0

no this chemical equation is not balanced

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What is the molecular formula of hydrogen peroxide ?
Varvara68 [4.7K]

Answer:

An inorganic peroxide consisting of two hydroxy groups joined by a covalent oxygen-oxygen single bond. Hydrogen peroxide is a chemical compound with the formula H2O2.

5 0
3 years ago
Consider two different solutions of the same UV-absorbing compound. Upon UV-analysis, Solution B gave an absorbance of 1.0 and S
Juliette [100K]

We have that the Concentration of solution B is 2.5 times more than solution A's concentration.

<h3>UV(Ultra violent) rays</h3>

Question Parameters:

Upon UV-analysis, Solution B gave an absorbance of 1.0

Solution A gave an absorbance of 0. 4

Generally the equation for the Absorbance    is mathematically given as

A = e*c*L

Therefore

For A solution  

0.4 = e*[cA]*L

For B solution  

1.0 = e*[cB]*L

Hence

\frac{0.4}{ 1} = \frac{[cA]}{ cB}

[cB] = 2.5 [cA]

Therefore

Concentration of solution B is 2.5 times more than solution A's concentration.

For more information on Wave visit

brainly.com/question/3004869

7 0
2 years ago
An industrial chemist is studying the rate of the haber synthesis: n2 + 3h2 → 2nh3. starting with a closed reactor containing 1.
andre [41]
Haber process is the large scale manufacture of a ammonia by reacting nitrogen and hydrogen at a ratio of 1:3
Change in hydrogen concentration is 0.45 - 0.16 = 0.29 moles/l
Therefore, the average rate of reaction of hydrogen = 0.29 / 30 = 0.0096 
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3 0
3 years ago
Read 2 more answers
Can A magnet can be changed by hitting it hard or exposing it to heat.
Ainat [17]
Well, a magnet could DEFINITELY change if it gets exposed to heat, because you could melt the metal and change its shape.
If you hit it hard though, it wouldn't make much of a difference because the magnet is metal, so you'll probably just chip it or leave a dent.
Hope this helps ;)
6 0
3 years ago
resistor has a resistance of 1.8 W. How much current passes through the resistor if there is a potential difference of 3.0 V acr
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Answer:

4.0 V?

Explanation

3 0
3 years ago
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