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Yuliya22 [10]
2 years ago
6

5pts. Chemistry multiple choice​

Chemistry
2 answers:
shusha [124]2 years ago
6 0
C. Xenon // they both look alike
aleksandrvk [35]2 years ago
4 0

Answer:

C. Xenon

Explanation:

The question only requires you to use your visual skills to identify the unknown gas. Look at the spectra of unknown gas and xenon, are they not identical? SInce they are same, the unknown sample must be xenon.

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The density (d) of a substance is an intensive property that is defined as the ratio of its mass (m) to its volume (v).
vovangra [49]

Answer:

Density is an intensive property

Explanation:

The intensive properties don´t depend on mass or size, if you have a liter of water, this litter have a density equal 1000 kg/m^3. If zo have 250 liters of water, the density is 1000 kg/m^3 too.

The density does not change with the addition or substraction of matter.

I hope I have been clear.

8 0
3 years ago
Read 2 more answers
12a. How does the model of the volcano provide evidence for the cycling of Earth materials through the rock cycle?
Bond [772]

Answer:

lava is coming from the crust

Explanation:

volcano's explode with lava because the crust pushes it out

6 0
3 years ago
PLEASE HELP THIS IS FOR A TEST REVIEW
Leya [2.2K]

Answer:

Matter is anything that has mass and takes up space. Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change none is created or destroyed.

mark me brainlest

7 0
3 years ago
What is the name of a mixture that is easily seen and separated???
DedPeter [7]

Answer:

suspension

Explanation:

a mixture in which particles can be seen and easily separated by settling or filtration.

hope this helps

4 0
2 years ago
Read 2 more answers
Why does LiCl does not exhibit frenkel defect?
tino4ka555 [31]
Frenkel defect is a defect in crystalline solids in which an atom is displaced from its lattice position to an interstitial space. This creates a vacant space at the original site and an  interstitial defect at the new site within the same element. This defect does not affect the chemical properties of the compound. This defect usually occur in ionic solids with large size difference between the anion and cation.
LiCl does not exhibit Frenkel defect because the size difference between the anion and the cation of the compound is very small.
3 0
3 years ago
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