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Dahasolnce [82]
2 years ago
8

Convert 421 kPa to atm

Chemistry
1 answer:
Murrr4er [49]2 years ago
6 0

Answer:

4.15494695

Explanation:

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Fe(s) + CuSO4(aq) ⇒ Cu(s) + FeSO4(aq)
Alexxandr [17]

Answer:

The answer to your question is CuSO₄

Explanation:

To answer your question just remember the following information

- A chemical reaction is divided into sections

 reactants and products

 reactants on the left side of the reaction

products on the right side of the reaction

- All the symbols have a meaning

 (s) means that that compound is in solid phase

 (aq) means that that compound is dissolved in solution.

Then, the answer is CuSO₄

4 0
3 years ago
At the beginning of the experiment, the aspirin pill contains 325 mg of acetylsalicylic acid and weighs 400 mg. at the end of ex
Feliz [49]

That would be (110/ 325)  * 100

= 33.85 %

8 0
2 years ago
Simple distillation is best used to separate two liquids that have boiling points that differ by
emmasim [6.3K]
The boiling points need to differ by 50 degrees to enable their complete separation ie of two different liquids. The separation occurs by first evaporation of one of the liquids and then its condensation and collection. It is a physical process not a chemical one.
6 0
3 years ago
An exothermic reaction is what<br> energy.
leonid [27]

Answer:

An exothermic reaction releases energy. Endothermic takes in energy.

Explanation:

7 0
2 years ago
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What is the 2nd step in the process of natural selection?
Nesterboy [21]

Answer: Selection proper

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it's an anti-chance process, but subject to many constraints

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