Finding KE


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Veronica_Lubera_2A
Posts: 106
Joined: Sat Sep 14, 2019 12:16 am
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Finding KE

Postby Veronica_Lubera_2A » Tue Oct 01, 2019 10:27 pm

Use the uncertainty of velocity (delta v= 3.4E10) to calculate the electron's uncertainty in kinetic energy. Then, calculate the uncertainty in kinetic energy per mole of electrons (that is, per mole of hydrogen atoms).
Mass of electron is 9.1E-31 kg.

Mansi_1D
Posts: 50
Joined: Fri Aug 02, 2019 12:15 am

Re: Finding KE

Postby Mansi_1D » Wed Oct 02, 2019 12:25 pm

To calculate the electron's uncertainty in kinetic energy, you can use the formula KE=1/2mv^2. Next, you can multiply the electron's uncertainty in KE you found by Avogadro's number to find the uncertainty in KE per mole of electrons.


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