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jok3333 [9.3K]
3 years ago
13

A perfume bottle is dropped in the corner of a room. Tge odor of the perfume can be detected on the other side of the room. Whic

h statement best describes this observation?
Chemistry
2 answers:
Illusion [34]3 years ago
8 0
<h2>Answer:</h2>

The<u> diffusion </u>occurs in room.

  • <u>Oder molecules move from their highest concentration to lowest concentration.</u>
<h3>Explanation:</h3>

Diffusion is a process by which molecules move down their concentration gradient. The process does not require any membrane.

So corner with perfume has high concentration of odor molecules. Hence they move to other corner with low concentration of molecules.

Feliz [49]3 years ago
3 0

Answer:

Particles are moving from regions of high concentration to low concentration.

aka letter A.

thank me later

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We observe a distant object in space and see that the spectral lines for hydrogen in the object's light appear at a shorter wave
MrMuchimi

Answer:

This tells us the radial velocity of the object and that the object is approaching or coming towards us.

Explanation:

Certain chemicals radiate with particular wavelengths or colors  when their temperature is raised or when they are charged electrically. Also observable are dark strokes separating the spectrum known as absorption lines

These spectral lines of chemicals are well known as stated above and from the phenomenon of Doppler effect, spectroscopy can be used to detect the movement of a distant object by the change of the emitted frequency of the wavelength

The Doppler effect is used in calculating the radial velocity of a distant object due to the fact that an approaching object compresses its emitted signal wavelength while a receding object has a longer wavelength than normal

5 0
3 years ago
What is the capacity to do work known as?
yarga [219]

Answer:

it is energy

Explanation:

Energy is the ability to do work

6 0
3 years ago
PLS HELP CHEM
Bess [88]

Answer:

Use the formula PV=nRT to get the temperature

7 0
2 years ago
The backbone of nucleic acids consists of
V125BC [204]

Answer:

c. a phosphodiester bond between the 3' and 5' hydroxyl groups of neighboring sugars

Explanation:

Phosphodiester bond is the bond which is formed between the hydroxyl group of one nucleotide to the phosphate group of the another nucleotide. These are ester bonds. These bonds are central to all the life which is in existence on Earth. These bonds forms the backbone of the strands of the nucleic acid.

The bond is formed by the linkage of 3' carbon atom of one of the sugar unit to the 5' carbon atom of the another succeeding sugar unit.

<u>Hence, the answer is:- c. a phosphodiester bond between the 3' and 5' hydroxyl groups of neighboring sugars</u>

4 0
3 years ago
A force of 350 N causes a body to move with an acceleration of 10 m/s2. What's the mass of the body?
Scrat [10]
You have to use the equation F=ma and solve for m to get m=F/a.
m=mass in kg
F=force (in this case 350N)
a=acceleration (in this case 10m/s²)
when you plug everything in you should find that m=35kg

I hope this helps.
3 0
3 years ago
Read 2 more answers
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