How are the elements contained within a group on the periodic table related? (select all that apply.)?
1 answer:
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When an electron in an atom absorbed a photon, the energy of the electron changed by 2.94 × 10⁻¹⁹. The frequency of the photon is 4.4 × 10¹⁴ Hertz .
<h3>How to calculate the frequency of photon ?</h3>To calculate the frequency of photon use the expression
E = hv
where,
E = Energy
h = Planck's Constant
v = frequency (Hz)
Put the value in above formula we get
E = hv
2.94 × 10⁻¹⁹ = 6.6 × 10⁻³⁴ × v
v =
= 0.44 × 10¹⁵
= 4.4 × 10¹⁴
Thus from the above conclusion we can say that When an electron in an atom absorbed a photon, the energy of the electron changed by 2.94 × 10⁻¹⁹. The frequency of the photon is 4.4 × 10¹⁴ Hertz .
Learn more about the Plank's Constant here: brainly.com/question/27163891
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<h2>Hello!</h2>
The answer is: -97.23° C
<h2>Why?</h2>Applying the Charles and Gay-Lussac's Law we have that:
Where:
<em>k </em>is the proportionality constant
<em>v</em> is the volume of the gas
<em>t</em> is the temperature of the gas
We also have the following relation:
Since we need to know the new temperature (T2) we can find it using the last equation, so:
We are asked to find the temperature in Celsius degrees, we must convert the result:
Therefore, the temperature is -97.23° C
Have a nice day!