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soldi70 [24.7K]
3 years ago
9

separating a solid from a liquid by evaporating is called _____ a) filtration b) condensation c) solution d) distillation

Chemistry
2 answers:
tatiyna3 years ago
8 0
D) Distillation is the process used to separate a solid from a liquid through <span>evaporating the liquid..</span>
Nikitich [7]3 years ago
6 0

Answer:

d) distillation is the correct answer.

Explanation:

Distillation is a process in which separation liquids is done based on the different boilings points.

The product of distillation is called distillate.

In the distillation, the process mixture is heated and it is used to separate the solvent from the solution.

The process starts when the liquid is heated to the boiling point and liquid gets evaporated and change into vapor.The vapor move into the condensor where it get cooled and condenses to form distillate.

Distillation is the process which is used to separate a solid from a liquid by evaporating the liquid.

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Consider two equal-volume balloons under the same conditions of temperature and pressure. One contains helium, and the other con
Olegator [25]

Answer:

1. Number of gas particles (atoms or molecules)

2. Number of moles of gas

3. Average kinetic energy

Explanation:

Since the two gas has the same volume and are under the same conditions of temperature and pressure,

Then:

1. They have the same number of mole because 1 mole of any gas at stp occupies 22.4L. Now both gas will occupy the same volume because they have the same number of mole

2. Since they have the same number of mole, then they both contain the same number of molecules as explained by Avogadro's hypothesis which states that at the same temperature and pressure, 1 mole of any substance contains 6.02x10^23 molecules or atoms.

3. Being under the same conditions of temperature and pressure, they both have the same average kinetic energy. The kinetic energy of gas is directly proportional to the temperature. Now that both gas are under same temperature, their average kinetic energy are the same.

5 0
3 years ago
What is the empirical formula for the compound P4O6??
777dan777 [17]
The empirical formula is P₂O₃
5 0
3 years ago
What type of reaction is: CaO + H2O -&gt; Ca(OH)2? A. Combustion B. Synthesis C. Double Replacement D. Decomposition
12345 [234]

Answer:

The reaction is B. Synthesis

Explanation:

In the case of this reaction, it corresponds to a synthesis where 2 compounds (calcium oxide and water) are combined to form a new one (calcium hydroxide).

8 0
3 years ago
#1: The element that loses electrons in a chemical reaction is said to have been which of the following?
Mrrafil [7]
#1: The element that loses electrons in a chemical reaction is said to have been which of the following? A. reduced

B. oxidized

C. combusted

D. rusted

**idk, is it reduced or oxidized??

Answer: oxidized. The element that loses electrons increases its oxidation number (becomes more positve or less negative) and this is oxidation.


Which type of reaction occurs if one element gains electrons and another loses electrons?

A. combustion

B. synthesis

C. oxidation-reduction

D. double-displacement

**my answer: C

Yes, oxidation-reduction

#3: What is the oxidation number for phosphorus in H4P2O7?

A. +5

B. +3

C. +1

D. - 1

**my answer: A. +5

This is the way to calculate it 4(+1) + 2x + 7(-2) = 0 => x = +5



#4: What is the oxidation number for phosphorus in Na2HPO3?

A. +5

B. +3

C. +1

D. - 1

**my answer; B. +3

is that right??

Right

2(+1) + 1 + x + 3(-2) = 0 => x = 6 -1 -2 = 3 (positive)
5 0
3 years ago
Read 2 more answers
Which statement is true about a polyatomic ion?
nataly862011 [7]
The correct answer is that it is made of atoms that are covalently bonded together. Hope this helps.
4 0
3 years ago
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