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lesya [120]
3 years ago
14

What do you call each of the following changes of state:

Chemistry
1 answer:
Alinara [238K]3 years ago
8 0

a. Solid to liquid  - melting process

b. Liquid to gas  - evaporation process

c. Gas to solid  - deposition process

d. Solid to gas  - sublimation process

e. Liquid to solid  - solidification process

f. Gas to liquid - condensation process

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What is the name for the columns in the periodic table?
astraxan [27]

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On the periodic table, each column is called a group. So, the answer is D. groups.

Explanation:

A) is incorrect because the rows on the periodic table are called periods.

B) is incorrect because the elements are what is organized on the periodic table.

C) is incorrect because the periods are the rows on the periodic table.

D) is the correct answer because the columns on the periodic table are called groups.

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2 years ago
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One balloon was only partly filled when put on the plane. During the flight, the balloon volume
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Answer:

P₂ = 0.8 atm

Explanation:

Given data:

Initial pressure = 1 atm

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Final volume = 9 L

Final pressure = ?

Solution:

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P₁ = Initial pressure

V₁ = Initial volume

P₂ = Final pressure

V₂ = Final volume

Now we will put the vales in formula.

P₁V₁ = P₂V₂

P₂ = P₁V₁ /V₂

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P₂ = 7 atm. L / 9 L

P₂ = 0.8 atm

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