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Len [333]
3 years ago
10

Which statement describes a digital signal used to store information

Chemistry
2 answers:
Sladkaya [172]3 years ago
8 0

Answer:

it is 1,4

Explanation:

Just took the test hope you get it right. c:

Zanzabum3 years ago
6 0

Answer:

It is made of numbers

Explanation:

Found the hard way.

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What is carbon in the lithosphere initially a part of before part of the burning of fossil fuel?
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Carbon in the lithosphere is held in soil in the form of both organic and inorganic carbon which often as calcium carbonate. Carbon can leave the soil through soil respiration – which releases CO2, or by erosion – which can carry it into rivers or the ocean, where it then enters the hydrosphere.

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A material was cooled from 100°C to 40°C. What is the temperature change?
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A sample of 4.0 L of nitrogen, at 1.2 atmospheres, is transferred to a 12 L container.
Zielflug [23.3K]

Answer:

The pressure will be 0.4 atm.

Explanation:

The gas laws are a set of chemical and physical laws that allow determining the behavior of gases in a closed system. The parameters evaluated in these laws are pressure, volume, temperature and moles.

As the volume increases, the gas particles (atoms or molecules) take longer to reach the walls of the container and therefore collide with them less times per unit of time. This means that the pressure will be lower because it represents the frequency of collisions of the gas against the walls. In this way pressure and volume are related, determining Boyle's law which says:

"The volume occupied by a certain gaseous mass at constant temperature is inversely proportional to pressure"

Boyle's law is expressed mathematically as:

P*V= k

If you initially have the gas at a volume V1 and press P1, when the conditions change to a volume V2 and pressure P2, the following is satisfied:

P1*V1= P2*V2

In this case:

  • P1= 1.2 atm
  • V1= 4 L
  • P2= ?
  • V2= 12 L

Replacing:

1.2 atm* 4 L= P2* 12 L

Solving:

P2=\frac{1.2 atm*4 L}{12 L}

P2= 0.4 atm

<u><em>The pressure will be 0.4 atm.</em></u>

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I thinkkkk it’s OCHbl
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Figure 1 (Use this figure to answer questions 6,7, and 8. Assume that the height at point
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Answer:

JWBVH

Explanation:

NWSBWHSBHS

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