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omeli [17]
2 years ago
10

The alchemists were the first to do what?

Chemistry
1 answer:
Bezzdna [24]2 years ago
8 0
Alchemists attempted to purify, mature, and perfect certain materials. ... Islamic and European alchemists developed a structure of basic laboratory techniques, theory, terminology, and experimental method, some of which are still in use today.
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Find the density of a material given that a 5.03g sample occupies 3.24ml
Verizon [17]

Formula for density:

D = Mass / Volume

Mass = 5.03g

Volume = 3.24ml


Formula in our case:

D = 5.03 / 3.24

D = 0.31~g/m^{3}


Hope it helped,


BioTeacher101

3 0
3 years ago
What can a drop of liquid mercury be described as?
Tomtit [17]
A drop of iquid mercury is D. <span> a pure substance and an element. This is because mercury is an element which exists as liquid in the normal or standard conditions. It is a metal that is toxic to all environments. It is pure because it is composed only of one kind of substance.</span>
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3 years ago
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26.5 g of a solution with a density of 7.48 g/mL
Cloud [144]

Answer:  Assuming the question: 3.54 ml (3 sig figs)

Explanation:

I don't see a question, but will assume it is "What volume is needed to obtain 26.5 grams?

If so:

(26.5 g)/(7.48 ml) = 3.54 ml (3 sig figs)

6 0
3 years ago
Which Group is in the second column of the periodic table?
Misha Larkins [42]

Answer:

Hey there!

That would be the alkaline earth metals.

Hope this helps :)

3 0
3 years ago
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What substance is removed from the air by living things for respiration?
seropon [69]

Answer:

If i'm correct it is carbon dioxide. If i'm not correct sorry!

Explanation:

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3 years ago
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