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EleoNora [17]
2 years ago
14

Complete the following sentence. In a fluid, pressure __________ with depth. increasesdecreasesdoesn't change

Chemistry
1 answer:
SCORPION-xisa [38]2 years ago
4 0
Increase Complete the following sentence. In a fluid, pressure increase with depth regardless of the shape of the container.
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Explain how how radioactive decay can result in one element changing into another?
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Answer:

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Explanation:

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A cell is a system<br> True<br> False
Mamont248 [21]

Answer: True

Explanation:

Tissues perform functions that are specializations of the normal function of individual cells.

5 0
3 years ago
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The standard on which the atomic mass unit is based is the mass of a
pashok25 [27]

Answer;

D. carbon-12 atom

Explanation;

-One atomic mass unit is the mass that is exactly equal to one-twelfth the mass of one carbon-12 atom. Therefore, the mass of carbon-12 is 12 amu and this provides the standard that is used in measuring the atomic mass of all other elements.

-The atomic mass of carbon is 12.01 and not 12.00 in the periodic table.

-Due to the fact that there are more than one element for most naturally occurring elements, the average mass of the naturally occurring mixture of isotopes is taken while determining the atomic mass of an element.

3 0
3 years ago
1. Which list of nuclear emissions is arranged in order from the least penetrating power to
Tpy6a [65]

Answer:

A) alpha particle, beta particle, gamma ray

Explanation:

Alpha beta and gamma radiations are the examples of ionizing radiations. When an atom is an excited state and having high energy, the atom is in unstable state. The excess of energy is released by the atom to get the stability. The released energy is in the form of radiations which may include alpha, beta, gamma, X-ray etc.

Properties of alpha radiation:  

Alpha radiations can travel in a short distance.

These radiations can not penetrate into the skin or clothes.

These radiations can be harmful for the human if these are inhaled.

These radiations can be stopped by a piece of paper.

₉₂U²³⁸   →   ₉₀Th²³⁴  + ₂He⁴  + energy

Beta radiations:  

The mass of beta particle is smaller than the alpha particles.

They can travel in air in few meter distance.

These radiations can penetrate into the human skin.

The sheet of aluminum is used to block the beta radiation

⁴₆C → ¹⁴₇N + ⁰₋₁e

The beta radiations are emitted in this reaction. The one electron is ejected and neutron is converted into proton.  

Gamma radiations:

Gamma radiations are high energy radiations having no mass.

These radiations are travel at the speed of light.

Gamma radiations can penetrate into the many materials.

These radiations are also used to treat the cancer.

Lead is used for the protection  against gamma radiations because of its high molecular density.

The lead apron are used by the person when treated with gamma radiations.

Lead shields are also used in the wall, windows and doors of the room where gamma radiations are treated, in-order to protect the surroundings.

7 0
3 years ago
Why all samples of a given substance have the same intensive properties?
Karolina [17]

Answer:

Every sample of a given substance has identical intensive properties because every sample has the same composition

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