Question
In: Physics
(a) Calculate the speed of an electron that is in the n = 1 orbit of...
(a) Calculate the speed of an electron that is in the n = 1 orbit of a hydrogen atom, and give your answer v as a fraction of the speed of light in empty space c, for example, v = 0.5 if the answer were v = c/2 = 1.50 × 108 m/s. (It isn’t.)
(b) How many nanometers would be the wavelength of the photon emitted when the electron in a hydrogen atom jumps from the n = 3 orbit to the n = 2 orbit? This is the Hα line, and its light is scarlet, the color of fresh human blood.
(c) How many nanometers would be the wavelength of the photon emitted when the electron in a hydrogen atom jumps from the n = 2 orbit to the n = 1 orbit?
(d) How many nanometers would be the wavelength of a photon that would have the minimum amount of energy needed to ionize any hydrogen atom? (Hint: Electromagnetic radiation with this wavelength or shorter is called extreme ultraviolet radiation.
(e) How many electron-volts (eV) would the electron in part (7)(d) need to have?
Solutions
genius_generous answered 2 years agoRelated Solutions
In the Bohr model, when an electron leaves one n orbit and enters another n orbit,...
In the Bohr model, when an electron leaves one n orbit and
enters another n orbit, a photon is either emitted or absorbed.
Derive a relationship between the wavelength of the emitted or
absorbed photon and the change in the DeBroglie wavelength of the
electron when it moves from one n to another n.
In the Bohr model, when an electron leaves one n orbit and enters another n orbit,...
In the Bohr model, when an electron leaves one n orbit and
enters another n orbit, a photon is either emitted or absorbed.
Derive a relationship between the wavelength of the emitted or
absorbed photon and the change in the DeBroglie wavelength of the
electron when it moves from one n to another n.
Calculate the speed (in m/s) of an electron and a proton with a kinetic energy of...
Calculate the speed (in m/s) of an electron and a proton with a
kinetic energy of 1.70 electron volt (eV). (The electron and proton
masses are me = 9.11 ✕ 10−31 kg and mp = 1.67 ✕ 10−27 kg.
Boltzmann's constant is kB = 1.38 ✕ 10−23 J/K.)
(a) an electron m/s
(b) a proton m/s
(c) Calculate the average translational kinetic energy in eV of
a 3.15 ✕ 102 K ideal gas particle. (Recall from Topic 10 that 1...
1.)Calculate the wavelength of light produced if an electron moves from n=2 state to n=1 state...
1.)Calculate the wavelength of light produced if an electron
moves from n=2 state to n=1 state of an electron
in a hydrogen atom. Express your answer to three significant
figures and include the appropriate units.
2.)Predict if this wavelength higher or lower than those
produced if an electron moves from n=6 state to
n=1 state.
a.) higher
b.) lower
An electron jumps from the 4th orbit into 3rd orbit of 3Li7. Find the following (i)...
An electron jumps from the 4th orbit into 3rd orbit of 3Li7.
Find the following (i) radii of both orbits (ii) Energies of both
orbits (iii) wavelength and frequency of photon emitted as a result
of this transition. Please show detailed work so I can understand
how it is done.
An electron with a speed of 4.28
An electron with a speed of 4.28
Consider a simple model of the hydrogen atom where 1 electron is in a stable orbit...
Consider a simple model of the hydrogen atom where 1 electron is
in a stable orbit around 1 proton at a distance of 0.05 nm. If the
electron were moved to a larger stable orbit (say 0.1 nm), what
would be the sign of: deltaU = the change in potential energy?
deltaK = the change in kinetic energy? deltaE = the change in
mechanical (potential plus kinetic) energy? Would moving the
electron to a higher orbit require positive or negative...
An electron moves with a speed of 3.0
An electron moves with a speed of
3.0
Calculate the frequency of the photon emitted when the electron jumps from the n = 3...
Calculate the frequency of the photon emitted when the electron
jumps from the n = 3 to the n = 2 energy level.
1-Why doesn't the force of gravity change the speed of a satellite in circular orbit? 2-A...
1-Why doesn't the force of gravity change the speed of a
satellite in circular orbit?
2-A circularly moving object requires a centripetal force. What
supplies this force for satellites that orbit the Earth?
3-A 'geosynchronous' Earth satellite can remain nearly directly
overhead in Singapore, but not in San Francisco. Why?
4-True or false: For orbits of greater altitude, the period is
longer.
5- Fill in the blank:
____(a)______gathered the data that were used to show that the
planets travel in...
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