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Snezhnost [94]
3 years ago
12

Explain why liquids and gases differ in density and ability to be compressed ?

Chemistry
2 answers:
kow [346]3 years ago
8 0

Well, liquids are denser than gasses because gasses are NOT contained in on place. Liquids can also be compresses if it is lightly. Gasses can not be compresses unless you reverse that state that it is in to a solid or liquid.

EastWind [94]3 years ago
7 0
Gases are less dense and the molecules are farther apart which means that it can be compressed
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A motorcyclist changes the velocity of his bike from 20.0 meters/second to 35.0 meters/second under a constant acceleration of 4
mars1129 [50]

The time needed by the bike to reach the final velocity is 3 .75 seconds ,Option C is the write answer.

<h3>What is Velocity ?</h3>

It is defined as the distance covered by an object in a given amount of time. It is a vector quantity , its unit is m/s , km/hr etc.

It is given in the question that

Initial Velocity = 20m/s

Final Velocity = 35m/s

Acceleration = 4m/sq.s

Time = ?

The equation of motion

v = u +at will be used

35 = 20 + 4 * t

15 = 4* t

t = 3.75 seconds

Therefore the time needed by the bike  to reach the final velocity is 3 .75 seconds.

To know more about Velocity

brainly.com/question/18084516

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7 0
1 year ago
What are the horizontal (from left to right) parts of the periodic table called?
Setler [38]

Answer:

The correct answer is periods. See the explanation below, please.

Explanation:

The horizontal lines in the periodic table are called periods (ranging from 1 to 7) and vertical lines (ranging from 1 to 18).

The period that an element belongs to coincides with the last electronic layer of the element (that compound in period 3 will have 2 electronic layers).

8 0
3 years ago
Read 2 more answers
. Explain the differences between ionic, nonpolar covalent, and polar covalent bonds.
butalik [34]

Answer:

Ionic bonds transfer ions while covalent bonds equally share them.

Explanation:

In an ionic bond, ions are transferred between each other and ionic bonds form between a metal and nonmetal.

Covalent bonds are equally shared between atoms and form between non metals only.

Specifically, nonpolar covalent bonds are perfectly symmetrical with equal distribution of electrons while polar covalent bonds are asymmetrical and there is a difference in electronegativity.

3 0
3 years ago
The element phosporus is located to the right of the element magnesium along the same period in the periodic table.
Gala2k [10]
I’m assuming this is a true and false question. The answer is true. Phosphorus has a larger atomic mass. Phosphorus is number 15 on the periodic table. Phosphorus is a non-metal.
7 0
3 years ago
Consider this initial-rate data at a certain temperature for the reaction described by N2O3(
Yuliya22 [10]

<span><span>N2</span><span>O3</span><span>(g)</span>→NO<span>(g)</span>+<span>NO2</span><span>(g)</span></span>

<span><span>[<span>N2</span><span>O3</span>]</span> Initial Rate</span>
<span>0.1 M     r<span>(t)</span>=0.66</span> M/s
<span>0.2 M     r<span>(t)</span>=1.32</span> M/s
<span>0.3 M     r<span>(t)</span>=1.98</span> M/s

We can have the relationship:

<span>(<span><span>[<span>N2</span><span>O3</span>]/</span><span><span>[<span>N2</span><span>O3</span>]</span>0</span></span>)^m</span>=<span><span>r<span>(t)/</span></span><span><span>r0</span><span>(t)
However,
</span></span></span>([N2O3]/[N2O3]0) = 2

Also, we assume m=1 which is the order of the reaction.

Thus, the relationship is simplified to,

r(t)/r0(t) = 2

r<span>(t)</span>=k<span>[<span>N2</span><span>O3</span>]</span>

0.66 <span>M/s=k×0.1 M</span>

<span>k=6.6</span> <span>s<span>−<span>1</span></span></span>

6 0
3 years ago
Read 2 more answers
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