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Tanya [424]
3 years ago
10

How can you be sure a solid is pure?

Chemistry
1 answer:
11Alexandr11 [23.1K]3 years ago
5 0
Because solid is solid all the way through
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The table shows the properties of some organic compounds.
riadik2000 [5.3K]

Yo sup??

since A has a hydroxyl group ie OH therefore it's an alcohol

and since B has an oxygen between two carbons therefore it's an ether.

hence the correct answer is option B

A is alcohol and B is ether

Hope this helps

8 0
3 years ago
List 10 uses of metals​
KatRina [158]

Answer:

1.In electronics

2 In medicine

3.In the construction

4.In jewelry

5.In machinery and automobiles

6.In agriculture

7.In the kitchen

8.Furniture

9. Security system

10 Bullion market

7 0
2 years ago
How many particles are in a 151 g sample of Li2O?
neonofarm [45]

Answer:

3.052 × 10^24 particles

Explanation:

To get the number of particles (nA) in a substance, we multiply the number of moles of the substance by Avogadro's number (6.02 × 10^23)

The mass of Li2O given in this question is as follows: 151grams.

To convert this mass value to moles, we use;

moles = mass/molar mass

Molar mass of Li2O = 6.9(2) + 16

= 13.8 + 16

= 29.8g/mol

Mole = 151/29.8g

mole = 5.07moles

number of particles (nA) of Li2O = 5.07 × 6.02 × 10^23

= 30.52 × 10^23

= 3.052 × 10^24 particles.

4 0
2 years ago
Which is not a physical property?
ahrayia [7]

Boiling point is the only answer that doesn’t have to do with their physical property

6 0
3 years ago
Read 2 more answers
Formation of ionic bond is affected by​
Alina [70]

Answer:

Ionization energy, electronegativity, and lattice energy are the factors that influence the formation of ionic bonds of elements.

6 0
3 years ago
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