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ASHA 777
1 month ago
10

Which change of state is shown in the model?

Chemistry
2 answers:
alisha [2.9K]1 month ago
7 0

\boxed{\text{Deposition}} is depicted in the provided model.

Further Explanation:

Condensation

This is the process where a gas or vapor transitions to a liquid state. It is essentially the inverse of evaporation. The chaotic movement of gas particles decreases, allowing them to coalesce into a liquid. This transformation is influenced by changes in temperature and pressure.

Deposition

This refers to the phase change where a gas or vapor transforms directly into a solid without entering the liquid state. This process is thermodynamic in nature. Deposition occurs when water vapor loses sufficient thermal energy to become solid without going through the liquid phase. This process is the opposite of sublimation and is often referred to as desublimation.

Boiling

This phase change allows a liquid to turn into a gas or vapor state, which occurs when the liquid is heated to its boiling point.

Freezing

This conversion changes a substance from a liquid state to a solid state. It is the opposite of melting. In this phase transition, heat is released, causing the liquid particles to move closer together and form a solid, such as in the formation of ice.

In the model shown, the gaseous or vapor state is converted into a solid state, illustrating deposition. Hence, deposition is shown in the given model.

Learn more:

  1. Identify the phase change in which crystal lattice is formed:
  2. The main purpose of conducting experiments:

Answer details:

Grade: Senior School

Chapter: Phase transition

Subject: Chemistry

Keywords: deposition, freezing, boiling, solid, liquid, vapor, condensation, desublimation, thermodynamic process.

Alekssandra [3K]1 month ago
5 0

I think the state change illustrated in the diagram is deposition. 
Deposition is the transformation of gases into solids without transitioning through a liquid phase. It is the reverse process of sublimation.
A key distinction between gases and solids lies in the spacing of molecules; gases have large spaces between molecules, whereas solids have very minimal spacing, resulting in solids being more densely packed. This is illustrated in the diagram showing the transition from gases to solids.

 
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the image above shows a chamber with a fixed volume filled with gas at a pressure of 1560 mmHg and a temperature of 445.0 K. If
VMariaS [2998]

Answer:

The new gas pressure within the chamber registers at 1,093.75 mmHg

Explanation:

The Gay-Lussac Law establishes a relationship between a gas's pressure and temperature when volume remains constant. This principle asserts that gas pressure is directly tied to its temperature: as temperature increases, pressure rises, and conversely, as temperature falls, pressure also diminishes. Therefore, the Gay-Lussac law can be depicted mathematically as:

\frac{P}{T} =k

Given an initial and final state of gas, we can apply the following formula:

\frac{P1}{T1} =\frac{P2}{T2}

In this scenario:

  • P1= 1560 mmHg
  • T1= 445 K
  • P2=?
  • T2= 312 K
<psubstituting:>

\frac{1560 mmHg}{445 K} =\frac{P2}{312 K}

Calculating:

P2=\frac{1560 mmHg}{445 K} *312K

P2=1,093.75 mmHg

The new gas pressure inside the chamber is 1,093.75 mmHg

</psubstituting:>
7 0
2 months ago
What volume of gold would be equal in mass to a piece of copper with a volume of 141 ml? the density of gold is 19.3 g/ml; the d
alisha [2963]

We need to calculate the volume of Gold, assuming its mass matches that of copper.

Given information:

Density of Copper = 8.96 g/ml.
Volume of Copper = 141 ml.
Mass of Gold = Mass of Copper.
Density of Gold = 19.3 g/ml.

To find copper's mass, we use the density equation:
Density = mass/volume.

To find mass of copper:
Mass of copper = Density of Copper * Volume of Copper.
Mass of copper = 8.96 g/ml * 141 ml = 1263.36 g.
Thus,
Mass of gold = Mass of copper = 1263.36 g.
Now, using the density formula for gold to get its volume:
Volume of gold = Mass of gold / Density of gold.
Volume of gold = 1263.36 g / 19.3 g/ml = 65.46 mL.

Consequently, the volume of gold required to match the mass of copper is 65.46 mL.

8 0
1 month ago
The boiling point of another member of this homologous series was found to be 309 KK. What is the likely molecular formula for t
KiRa [2933]

Answer: Pentane C5H12

Explanation:

The boiling point is defined as the temperature at which a liquid's vapor pressure matches the external pressure, causing the liquid to turn into vapor.

This compound is likely Pentane, represented as C5H12, since its boiling point falls between that of Butane, with the formula C4H10, and Hexane, with the formula C6H14.

8 0
1 month ago
1. Adakah benar bahawa anda tidak boleh membasuh rambut, meminum air sejuk dan
KiRa [2933]

Answer:

Is it true that you shouldn't wash your hair, drink cold water, eat ice cream, or exercise during your period? Please explain your answer.

No, this is not accurate; doing any of these activities is perfectly fine. None of them affects us because they are not connected to our bodily systems. Also, I apologize for any language errors as I utilized Google Translate.

I hope this is helpful :)

7 0
2 months ago
Which of the following pairs lists a substance that can neutralize Ca(OH)2 and the salt that would be produced from the reaction
Anarel [2989]

Answer:

HCl and CaCl2

Explanation:

Calcium hydroxide acts as a base, thus requiring an acid for neutralization.

HCl functions as an acid, which can neutralize calcium hydroxide when they react together.

The resulting salt will be calcium chloride (CaCl2).

The interaction between calcium hydroxide and HCl yields Ca(OH)Cl and CaCl2.

Here, Ca(OH)Cl exists as a solution and calcium chloride serves as a base.

I hope this response assists you.

7 0
1 month ago
Read 2 more answers
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