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sladkih [1.3K]
3 years ago
15

Determine whether heating or cooling takes place during each process, freezing, evaporation, condensation, melting sublimation,

and deposition.
Chemistry
1 answer:
Sergeeva-Olga [200]3 years ago
3 0

Answer :

Heating takes place during the process of Evaporation, Melting, Sublimation.

Cooling takes place during the process of Freezing, Condensation, Deposition.

Explanation :

Heating : It means thermal energy releases.

Cooling : It means thermal energy absorbs.

Evaporation : It is a type of vaporization process in which a liquid changes into gas phase by providing heat.

Melting : It is a process in which a solid changes into liquid phase by providing heat.

Sublimation : It is a process in which a solid changes directly into gas phase without passing through a liquid phase.

Freezing : It is a process in which a liquid transform into a solid phase at low temperature.

Condensation : It is a process in which a water vapor(gas) changes into liquid state at low temperature.

Deposition : It is a process in which a gas transforms directly into a solid phase without passing through a liquid phase.


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The oxidation of sulfur dioxide by oxygen to sulfur trioxide has been implicated as an important step in the formation of acid r
Igoryamba

Answer:

The value of the equilibrium constant K_p at this temperature is 3.42.

Explanation:

Partial pressure of the sulfur dioxide =p_1=0.564 atm

Partial pressure of the oxygen gas =p_2=0.102 atm

Partial pressure of the sulfur trioxide =p_3=0.333

2 SO_2(g) + O_2(g)\rightleftharpoons 2 SO_3(g)

The expression of an equilibrium constant is given by :

K_p=\frac{(p_3)^2}{(p_1)^2\times p_2}

K_p=\frac{(0.333 atm)^2}{(0.564 atm)\times (0.102 atm)}=3.42

The value of the equilibrium constant K_p at this temperature is 3.42.

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4 years ago
Veronica is taking an average of 16 height measurements in a brand-new experiment. Which term is this the best example of?
Varvara68 [4.7K]

Answer:

Repetition

Explanation:

The best term to describe this example is repetition and not replication.

Most times, to obtain an accurate and precise reading which is reliable, scientist makes several repeated measurements. The average gives the most reliable representation of the phenomenon being tested.

This process is called repetition.

On the other hand, duplicating an experiment is replication. Experiments are replicated to proof their validity.

  • Since this is a brand new experiment where 16 height measurements are reported, we are dealing with a repetition situation.
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Explanation:

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Answer:

Its 26. True

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Explanation:

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