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Mrac [35]
3 years ago
7

Down there (pls hurryy!!)

Chemistry
2 answers:
ivanzaharov [21]3 years ago
5 0

Answer:

E

Explanation:

Hope this helps!

Lilit [14]3 years ago
5 0

Answer:

the answer is c i looked it up

Explanation:

i looked it up

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A sample of gas occupies a volume of 67.5 mL . As it expands, it does 131.0 J of work on its surroundings at a constant pressure
baherus [9]

Answer:

The final volume V2=1.3175L

Explanation:

between work ( w), pressure ( P ) and volume ( V ) is the following:

w=−PΔV

where,

ΔV=V2−V1

It was stated that the gas is expanding, then the work is done by the system and it is of a negative value .

Note that work, should be expressed in 1L⋅atm=101.3J

CHECK THE ATTACHMENT FOR DETAILED EXPLATION

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4 years ago
Fill out the chart below with things about the lion and tarantula that make them predators. Think of at least one trait that the
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the lion and the tarantula are both carnivores

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3 years ago
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Why calcium is more reactive than<br>magnesium?​
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Answer:

Ca is more reactive because it has a lower

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3 years ago
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Organic acids are called what
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The most common organic acids are the carboxylic acids
6 0
3 years ago
You may have to recrystallize any or all of the components of your extraction mixture, benzoic acid, ethyl-4-aminobenzoate and f
hjlf

Answer:

the Recrystallization solvents are;

-Sodium Hydroxide Base (NaOH)

- Hydrochloric Acid (HCl)

- Sand bath when acidic and basic components are removed.

Explanation:

Recrystallization is simply a technique used to purify an impure compound in a solvent.

Now, we want to purify the mixture of benzoic acid, Ethyl-4-aminobenzoate and fluorenone.

For the benzoic acid, it can be separated out of the mixture by addition of sodium hydroxide base (NaOH).

The Ethyl - 4 - aminobenzoate will be separated from the mixture by the addition of Hydrochloric Acid (HCl).

The fluorenone would be separated out by heating the mixture in a sand bath after the basic and acidic components have already been extracted out.

Thus, the Recrystallization solvents are;

-Sodium Hydroxide Base (NaOH)

- Hydrochloric Acid (HCl)

- Sand bath when acidic and basic components are removed.

6 0
3 years ago
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