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11Alexandr11 [23.1K]
3 years ago
14

Help Me ASAP! Looking at the picture above which images would be best classified as molecules?​

Chemistry
2 answers:
Goshia [24]3 years ago
3 0

Answer:

B

Explanation:

astra-53 [7]3 years ago
3 0

Answer:

C) B AND C

Explanation:

points

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A. Match the term with its definition. (1 point)
Assoli18 [71]

Taking into account the definition of wavelength, frecuency and propagation speed:

  • Frequency: The number of waves passing a point in 1 second.
  • Wavelength: The distance between two adjacent wave peaks.
  • Velocity:  The direction and speed at which a wave is traveling.

The equation that illustrates the relationship between wave velocity, frequency, and wavelength is v = f×λ.

<h3>Wavelength</h3>

Wavelength is the minimum distance between two successive points on the wave that are in the same state of vibration. It is expressed in units of length (m).

<h3>Frequency</h3>

On the other side, frequency is the number of vibrations that occur in a unit of time. Its unit is s⁻¹ or hertz (Hz).

<h3>Propagation speed or velocity</h3>

Finally, the propagation speed is the speed with which the wave propagates in the medium, that is, it is the magnitude that measures the speed at which the wave disturbance propagates along its displacement.

The propagation speed relate the wavelength (λ) and the frequency (f) inversely proportional using the following equation:

v = f×λ

All electromagnetic waves propagate in a vacuum at a constant speed of 2,998 x 10⁸ m / s, the speed of light.

Therefore, the previous expression establishes an inversely proportional relationship between the frequency and the wavelength: The higher the frequency, the lower the wavelength and when the frequency is lower, the greater the wavelength.

<h3>Summary</h3>

In summary, the definition of frequency, wavelength and velocity are:

  • Frequency: The number of waves passing a point in 1 second.
  • Wavelength: The distance between two adjacent wave peaks.
  • Velocity:  The direction and speed at which a wave is traveling.

Finally, the equation that illustrates the relationship between wave velocity, frequency, and wavelength is v = f×λ.

Learn more about wavelength, frecuency and propagation speed:

<u>brainly.com/question/2232652?referrer=searchResults</u>

<u>brainly.com/question/7321084?referrer=searchResults</u>

<u>brainly.com/question/14946166?referrer=searchResults</u>

#SPJ1

3 0
1 year ago
Long ago, living things were divided into two main groups: _________
solmaris [256]

Answer:

I think the answer is Prokaryote and Eukaryote

Explanation:

6 0
2 years ago
Which choice is an example of a consumer? Question 9 options: tree fungi bee sun
xz_007 [3.2K]
The correct answer is C) Bee, any living thing, such as a bee, cannot make its own food therefor it is a consumer
3 0
3 years ago
Read 2 more answers
Just as one dozen eggs always has 12 eggs in it, one mole of a
zzz [600]

Answer:

6.022x10^{23}atoms \ Al

Explanation:

Hello,

In this case, given the described concept regarding the Avogadro's number, we can easily notice that 27.0 g of aluminium foil has 6.022x10²³ atoms as shown below based on the mass-mole-particles relationship:

27.0gAl*\frac{1molAl}{27.0gAl} *\frac{6.022x10^{23}atoms \ Al}{1molAl} \\\\=6.022x10^{23}atoms \ Al

Notice this is backed up by the fact that aluminium molar mass if 27.0 g/mol.

Best regards.

8 0
3 years ago
Numerator and denominator are Equal to one another? <br> I don’t get the concept
Alekssandra [29.7K]

It's like saying that if 1 meter is equal to 100 cm,

\frac{100cm}{1m}

or

\frac{1m}{100cm}

You can base the answers from the chart

5 0
3 years ago
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