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Ksenya-84 [330]
3 years ago
15

Liquids: A) must be contained to stay in one spot B) have a variable volume, but a fixed mass C) are usually more dense than sol

ids and gases D) cannot be changed into gases
Chemistry
2 answers:
Margaret [11]3 years ago
8 0
B). Have a variable volume, meaning they fill up the area they are in.
koban [17]3 years ago
3 0

Answer:

B) have a variable volume, but a fixed mass

Explanation:

Option A in incorrect. Liquids have flow.  

Option B is correct. Liquids take the shape of the container in which they are kept, so they have a variable volume. Liquids have a fixed mass as mass is the amount of matter in a substance.  

Option C is incorrect. Liquids are less dense than solids but more dense than gases.  

Option D is incorrect. Liquids can change into gases by a process known as vaporization.  

 

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The energies of electrons are quantized. What does that mean?.
professor190 [17]

Answer:

The correct statement should be The energies of electron are <em>quantized</em> when <em>they are bounded to an atom.</em>

In Quantum Mechanics The term Quantization used to measure the physical entities having certain discrete value. When we say energies of electron are <em>quantized</em> <em>that means it have some specific values</em> that are allowed, that is not continuous range of values.

<em><u>Thanks for joining brainly community! </u></em>

4 0
2 years ago
All of the following are reasons why astronomers have difficulty looking at distant stars except:
OleMash [197]

Answer:

B. They don't understand how red shift affects stars.

Explanation:

Astronomers face difficulty in observing distant stars because they are so far that they are easily viewed by telescope. Light pollution is major concern in present times . There is very less window present for observation. The dim light from the distance stars also gets distorted due to atmosphere and effects astronomical seeing.

Astronomers are aware about the Doppler effect for light that is the redshift effect on the star light. It is not a difficulty for astronomers.

4 0
3 years ago
What dose the atomic number of an element represent
lianna [129]

Answer:

No. of electrons of the element

8 0
3 years ago
Please help asap.....
vampirchik [111]
Hi,

The answer is B, Urbanisation.

Hope this helps.
r3t40
3 0
3 years ago
Read 2 more answers
A cylindrical glass bottle 21.5 cm in length is filled with cooking oil of density 0.953 g/mL. If the mass of the oil needed to
jeka57 [31]

Answer:inner Diameter =9.19cm

Explanation:

Density is calculated as Mass/ Volume

therefore

Volume= Mass/ Density = 1360g/ 0.953g/ml=1,427 ml

1ml = 1cm³

1,427ml = 1,427cm³

Also We know that Volume of a cylinder = πr²h or  πr²l

1,427cm³ = 3.142 x r² x 21.5 cm

 r² =  1,427cm³/ (3.142 x 21.5cm)

r² =21.124cm²

\sqrt{21.124}= r²

r= 4.596cm

Diameter=  2 x radius

=2 x 4.596

=9.19cm

7 0
3 years ago
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