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aniked [119]
4 years ago
15

The difference in energy () between vibrational energy levels is determined by the nature of the bond. If a photon of light poss

esses exactly this amount of energy, the bond can absorb the photon to promote a excitation. True or false?
Physics
1 answer:
forsale [732]4 years ago
5 0

Answer:

the statement is true

Explanation:

The bonds in the molecules give rise to irrational energy levels, are quantized, that is, they are discrete

In order for a photon to create a transition between the given levels it has to have the same energy as these two levels, it is in this case if the photon has the energy of the bond can be promised to the electron and be absorbed.

In summary the statement is true

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Describe what happens at the molecular level when a substance boils
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When a substance boils the molecules within the substance move faster and farther apart, meaning (depending on the current matter state of the substance) molecules will go into more liquid and gaseous states
solid----> liquid ----> gas 
In the case of something boiling the substance goes from liquid to gas due to the increased molecular activity because to heat...
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Which image shows the correct way of lining up vectors to add them
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Answer:

it's A

Explanation:

wen aligning the vectors the head and the tail should meet

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1 year ago
Earth rotates on its axis once every 24 hours, so that objects on its surface execute uniform circular motion about the axis wit
cestrela7 [59]

Answer:

v=1667.9km/h

a_{cp}=436.6km/h^2

Explanation:

The speed is the distance traveled divided by the time taken. The distance traveled in 24hs while standing on the equator is the circumference of the Earth C=2\pi R, where R=6371km is the radius of the Earth.

We have then:

v=\frac{C}{t}=\frac{2\pi R}{t}=\frac{2\pi (6371km)}{(24h)}=1667.9km/h

And then we use the centripetal acceleration formula:

a_{cp}=\frac{v^2}{R}=\frac{(1667.9km/h)^2}{(6371km)}=436.6km/h^2

6 0
3 years ago
If the voltage in a circuit is 24 V and the current is 2 A, what is the total power in the circuit?
Drupady [299]
Maybe you can divide the volts its twelve if you do that but itll show you how much to double it by

5 0
3 years ago
Read 2 more answers
What derived unit is used to measure the slope of the line in this graph?
Alexxx [7]

Answer:

g/cm³

Explanation:

From the question given above,

The y-axis is representing mass (g)

The x-axis is representing volume (cm³)

Unit of slope =?

Slope of a graph is simply defined as the change in y-axis divided by the change in x-axis. Mathematically it is expressed as:

Slope = change in y-axis (Δy)/change in x-axis (Δx)

Slope = Δy/Δx

Thus, with the above formula, we can obtain the unit used for measuring the slope as follow:

y-axis = mass (g)

x-axis = volume (cm³)

Slope =.?

Slope = Δy/Δx

Slope = mass (g) /volume (cm³)

Slope = g/cm³

Therefore, the derive unit used for measuring the slope is g/cm³

5 0
3 years ago
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