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Lemur [1.5K]
3 years ago
7

What is the density of a 6cm3 cork that has a mass of 3g?

Chemistry
1 answer:
Andreyy893 years ago
5 0

Answer:

The density is 0,5 g/cm3

Explanation:

The density (δ) is the ratio between the mass and the volume of a compound:

δ=m/v= 3 g/6 cm3= <em>0,5 g/cm3</em>

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Why does the Periodic Table have that separated part (lanthanides and actinides) at the bottom?
zepelin [54]

In the periodic table the lanthanoid and the actinides are place separately at the bottom because of their electronic configuration and their properties compared to the other elements.

The  the lanthanoid and the actinides are place separately at the bottom in the periodic table due to their electronic configuration and the properties. and to make the periodic table more convenient . if we place the f block elements that is he lanthanoid and the actinides then the size of the periodic table will increase. the f block elements are called as the inner transition element.

Thus , to make the periodic table more convenient and to group the elements in the block the the lanthanoid and the actinides are place separately at the bottom.

To learn more about lanthanoid and actinide here

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3 0
1 year ago
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aleksandrvk [35]

Answer:

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Explanation:

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4 0
2 years ago
Please help!!!!!!!!!!!!!!!
svlad2 [7]
The 2nd one is the right answer

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3 0
2 years ago
What is evaporation? Describe what happens at the molecular level during evaporation.
jasenka [17]
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6 0
3 years ago
How many moles of NaCl are needed to make 10.0L of a 5 M solution of<br> Salt water?*
vesna_86 [32]

Answer: 50 mol

Explanation:

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mol=M*L

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3 0
3 years ago
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