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ipn [44]
3 years ago
13

Which of these laboratory techniques is best to separate a solid from a liquid to recover the liquid? f chromatography g filteri

ng h titration j vaporization?
Chemistry
1 answer:
galina1969 [7]3 years ago
3 0
Answer:
            Filtering <span>is best laboratory technique to separate a solid from a liquid to recover the liquid.

Explanation:
                   A solid particles present in liquids can be separated from liquid by utilizing a membrane having pores large enough to allow the liquid molecules to pass through and small enough to stop the solid particles from crossing. 

Example:
              Tea Filters are used to separate Tea from the grounds.

              Kidney is an excellent example of Biological Filter.

              </span><span>Whatman Cellulose Filter Paper used in Chemistry Labs.</span>
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10 Give the symbol and Latin name of the following elements
Romashka-Z-Leto [24]

Answer:

Explanation:

Antimony- sb and the latin name: stibium

Copper- Cu and the latin name: cuprum

Gold- Au and the latin name: Aurum

Mercury- Hg and the latin name: hydrargyrum

Tron- There is no such element as tron

Lead- Pb and the latin name: plumbum

Potassium- K and the latin name: kalium

Silver- Ag and the latin name: argentum

Sodium- Na and the latin name: natrium

Tin- Sn and the latin name: stannum

~~~Inuola1234

8 0
3 years ago
What typefs) of bonding would be expected for each of the following materials: solid xenon, calcium fluoride (CaF, bronze, cadmi
klio [65]

Answer:

a) Solid Xenon - only van der waals  forces of attractions.

b) Calcium Fluoride - Ionic Bonding

c) Bronze - Metallic Bonding

d) Cadmium telluride - Covalent bonding with slight ionic character.

e) Rubber - Covalent bonding with some van der Waals forces of attraction.

f) Tungsten - Metallic bonding

Explanation:

a) Xenon is  a noble gas having fully filled stable electronic configuration.

So, there is no bonding between xenon atoms in solid xenon.

Only van der waals forces of attraction are found.

b) Calcium fluoride is an ionic compound formed from calcium (2+) and Fluoride ion.

c) Bronze is an alloy formed mainly from copper and tin which are both metals.

So, metallic bonding is  in found in bronze.

d) Cadmium telluride is formed form cadimium (2+) ion and Telluride ion with -2 charge.

So, it has slight ionic character with predominant covalent bonding

e) Rubber is a polymer which is formed from isoprene units.

So, covalent bonding exists along with van der waals forces.

f) Tungsten is a metal. So, metallic bonding is found between the atoms of tungsten.

8 0
3 years ago
Please answerrrrrrrr
mrs_skeptik [129]

Answer:1. Energy 2. Medium 3. Original position 4. Waves 5. Matter

Explanation:

3 0
3 years ago
How many N2 molecules would exist in 500g of water at 20C?
tankabanditka [31]

We have to know the number of molecules present in 500 g of water.

The answer is: zero molecules present in 500g of water.

Water molecule is H₂O. In water molecule, nitrogen molecule can not be present. Molecular mass of water is 18 g. MOlecular mass of nitrogen molecule is 28 g.

500 g water contains 500/18 number of moles= 27.77 moles of water molecules which contains 27.77 X 6.023 X 10²³ number of water molecules.

There is no existence of N₂ molecule.

6 0
3 years ago
What fact about elements would help explain why two elements would bond with the same element in the same proportion?
Usimov [2.4K]
This is valid only if the two elements have the same valence
8 0
4 years ago
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