Answer:
12.4×10^3 V
Explanation:
From E=hc/wavelength= eV
The voltage becomes
V= hc/e* wavelength
V= 6.63*10^-34*3*10^8/1.6*10^-19*1*10^-10
Note that the energy of the photon is transferred to the electron. That is the basic assumption we have applied in solving this problem. The kinetic energy of the electron is equal to the product of the electron charge and the acceleration potential.
Answer:
Set an alarm for five hours after your bedtime.
Go to sleep as usual.
When the alarm goes off, stay up for 30 minutes. Enjoy a quiet activity like reading.
Fall back asleep.
Explanation:
Answer: 1.21x10²³ formula units Ca( ClO3)2
Explanation: solution attached:
Convert mass of Ca(ClO3)2 to moles
Convert moles of Ca(ClO3)2 to formula units using Avogadro's number
I believe you just subtract the atomic mass and atomic number. (N= M- n)
