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Fittoniya [83]
2 years ago
7

If enough heat is added to a substance, electrons begin to separate from the atomic nuclei. Which process does this describe? A.

A solid turning into a liquid B. A plasma turning into a gas C. A gas turning into a plasma D. A gas turning into a liquid
Chemistry
2 answers:
Natalka [10]2 years ago
8 0

Answer:

The answer to your question is: C. A gas turning into plasma.

Explanation:

The plasma state is similar to the gas state, but these to states behave very different.

Like gases, plasma does not have a shape or fixed volume and are less denser than solids and liquids.

But, unlike gases, plasma are made up of atoms in which some of the electrons have been stripped away.

Zina [86]2 years ago
4 0

Answer:

If enough heat is added to a substance, electrons begin to separate from the atomic nuclei.  This describes the process where a gas that becomes plasma (option C)

Explanation:

Plasma is a state of matter that is characterized by its high energy and instability. It is a gas-like state, composed of ionized atoms in which electrons circulate freely. In other words, the molecules are ionized, that is, they have detached themselves from some of their electrons, thus forming a mixture of positive nuclei and free electrons, which has the ability to conduct electricity. The plasma has no definite shape or defined volume.

Plasmas are good conductors of electricity.

Plasma is formed under extremely high temperatures and pressures, making the impacts between electrons very violent, separating from the nucleus and leaving only scattered atoms. In other words, plasma is produced when a gas is heated at very high temperatures causing collisions between the atoms that release electrons by ionizing the gas.

Finally, <u><em>if enough heat is added to a substance, electrons begin to separate from the atomic nuclei.  This describes the process where a gas that becomes plasma (option C)</em></u>

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When applied to a dish, soap makes grease soluble in water. Which explanation correctly supports the role of intermolecular forc
Mekhanik [1.2K]

Explanation:

Soaps attach to both water and grease molecules.

The grease molecules are attracted more strongly towards each other as compared to water molecules. Also, water molecules are smaller in size hence, strong intermolecular force is required to break the hydrogen bonds of water molecule so that grease or oil molecules can enter the water molecule.

A soap molecule goes in between water and grease molecule and helps them to bind. The force for linkage between water and grease molecule through the soap molecule is weak london dispersion force.

The soap molecule has its salt end as ionic and water soluble. When grease or oil is added to the soap and water solution then the soap acts as an emulsifier. The soap forms miscelles of the non-polar tails and grease molecules are trapped between these miscelles. This miscelle is easily soluble in water hence, the grease is washed away.

Thus, it can be concluded that the nonpolar end of a soap molecule attaches itself to grease.

7 0
2 years ago
Read 2 more answers
What are characteristics of absorption spectra? Check all that apply.
Amanda [17]
The absorption spectrum is the result of absorption of light radiation by a material (solid or liquid) as a function of wavelength or frequency. The figure is shown below:

7 0
2 years ago
1. What is the oxidation number for the silver ion in tarnish?
spayn [35]
Tarnish is Ag2S-silver sulfide and the oxidation state of silver is +1
7 0
2 years ago
In May 2016, William Trubridge broke the world record in free diving (diving underwater without the use of supplemental oxygen)
Maru [420]

Answer:

The volume that this same amount of air will occupy in his lungs when he reaches a depth of 124 m is - 0.27 L.

Explanation:

Using Boyle's law  

{P_1}\times {V_1}={P_2}\times {V_2}

Given ,  

V₁ = 3.6 L  

V₂ = ?

P₁ = 1.0 atm

P₂ = 13.3 atm (From correct source)

Using above equation as:

{P_1}\times {V_1}={P_2}\times {V_2}

{1.0\ atm}\times {3.6\ L}={13.3\ atm}\times {V_2}

{V_2}=\frac{{1.0}\times {3.6}}{13.3}\ L

{V_2}=0.27\ L

The volume that this same amount of air will occupy in his lungs when he reaches a depth of 124 m is - 0.27 L.

7 0
2 years ago
When 100 ml of 1.0 M Na3PO4 is mixed with 100 ml of 1.0 M AgNO3,a yellow precipitate forms and Ag+ becomes negligibly small. Whi
jok3333 [9.3K]

Answer:

Option A

Explanation:

Number of millimoles of Na3PO4 = 1 × 100 = 100

Number of millimoles of AgNO3 = 1 × 100 = 100

When 1 mole of Na3PO4 is dissociated we get 3 moles of sodium ions and 1 mole of phosphate ion

When 1 mole of AgNO3 is dissociated, we get 1 mole of Ag+ and 1 mole of NO3-

As Ag+ concentration is negligible, the dissociated Ag+ ion must have form the precipitate with phosphate ion and as number of moles of Ag+ and phosphate ion are same, therefore the concentration of phosphate ion must be negligible

Here as 100 millimoles of Na3PO4 is there, we get 300 millimoles of Na+ and 100 millimoles of PO43-

And as 100 millimoles of AgNO3 is there, we get 100 millimoles of Ag+ and 100 millimoles of NO3-

∴ Increasing order of concentration will be  PO43- < NO3- < Na+

4 0
2 years ago
Read 2 more answers
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