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Semenov [28]
3 years ago
8

PLEASE HELP ME What answer is it?

Chemistry
1 answer:
77julia77 [94]3 years ago
8 0
The answer is A if the temperature increases, then it’s volume will also increase
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g A gas is compressed in a cylinder from a volume of 20.0 L to 2.0 L by a constant pressure of 10.0 atm. Calculate the amount of
Lemur [1.5K]

Answer:

The amount of work done on the system is 18234 J and the final positive sign means that this work corresponds to an increase in internal energy of the gas.

Explanation:

Thermodynamic work is called the transfer of energy between the system and the environment by methods that do not depend on the difference in temperatures between the two. When a system is compressed or expanded, a thermodynamic work is produced which is called pressure-volume work (p - v).

The pressure-volume work done by a system that compresses or expands at constant pressure is given by the expression:

W system= -p*∆V

Where:

  • W system: Work exchanged by the system with the environment. Its unit of measure in the International System is the joule (J)
  • p: Pressure. Its unit of measurement in the International System is the pascal (Pa)
  • ∆V: Volume variation (∆V = Vf - Vi). Its unit of measurement in the International System is cubic meter (m³)

In this case:

  • p= 10 atm= 1.013*10⁶ Pa (being 1 atm= 101325 Pa)
  • ΔV= 2 L- 20 L= -18 L= -0.018 m³ (being 1 L=0.001 m³)

Replacing:

W system= -1.013*10⁶ Pa* (-0.018 m³)

Solving:

W system= 18234 J

<u><em>The amount of work done on the system is 18234 J and the final positive sign means that this work corresponds to an increase in internal energy of the gas.</em></u>

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What is an inference?
sp2606 [1]

Answer:

A conclusion derived from evidence and logical reasoning

Explanation:

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Property is part of a system that does not depend on the size or the amount is called....
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The answer is A.extensive.
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Using current genetic engineering techniques can provide potential benefits for parents, including
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conceiving a child who is a bone marrow match to a living child.

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the separation of ink into its different pigments during chromatography is a a. solubility b. physical property c. physical chan
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c. physical change

Explanation:

The separation of ink into its different pigments during chromatography is a physical change.

Ink is a mixture of many different pigments.

During chromatography, a mixture is separated based on the relative migration of constituents of mixture over an adsorbent.

  • Separation techniques are used to celebrate mixtures based on their physical properties.
  • During a physical change only the physical properties of matter like their form and state is changed.
  • The process is easily reversible and no new kinds of matter are formed.

learn more:

Physical property brainly.com/question/10972073

#learnwithBrainly

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