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olga2289 [7]
3 years ago
15

You are instructed to cool the recrystallization flask to room temperature and then to 0 °C ""to maximize the recovery of desire

d material""..... how does this maximize the recovery?
Social Studies
1 answer:
Fudgin [204]3 years ago
7 0

Answer:

So that some of the sample doesn't dissolve

Explanation:

This happens because of the chemical properties of the material, which is that, when it's at a certain temperature that is not too cold and then it's cooled at a very drastic rate, the material will actually grow on size and this prevents the material form dissolving.

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The Adams-Onis Treaty required the U.S. to surrender all claims to Texas. True or False
Anarel [89]

Answer: true

Explanation:

adams-onís treaty, agreement between the usa and spain. negotiated by secretary of state john quincy adams and spanish minister luis de onís, spain gave up its land of the mississippi river and claims to the oregon territory. 「the us assumed debts of us 5$ million and gave up claims to texas」

3 0
2 years ago
Much of Russia's international power and influence comes from:
tia_tia [17]

Answer:

It A

Explanation:

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7 0
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Which child is the most likely speaker of the following narrative? "On Saturday, we went camping. When we got to our campsite, J
faust18 [17]

Answer:

D

Explanation:

Full question

Which child is the most likely speaker of this narrative: “On Saturday, we went camping. When we got to our campsite, Jaxson and I pitched the tent while Dad started dinner. The pizza log tasted great. Jaxson was so proud that the tent stayed up all night!”?

A) Loren, age 4

B) Tina, age 6

C) Van, age 7

D) Eleanor, age 9

Children at this age of 9 like Eleanor can apply what they learn in school to other aspects of their lives as well as other school subjects. Their language skills are getting more abstract and complex. Their analytical skills and other complex organization skills are usually aquired and they use speech and language for many social purposes.

8 0
3 years ago
The hypothesis that evolution occurs at an irregular rate through geologic time is known as?
SpyIntel [72]
Punctuated equilibrium is t<span>he hypothesis that evolution occurs at an irregular rate through geologic time. 
Hope this helps. </span>
4 0
2 years ago
Jo is in her early forties and is juggling the demands of taking care of her two young children and having to
exis [7]

Answer:

It's b

Explanation: She is in her early 40s and taking care of the upbringing of her young children and assisting her aging parents

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