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Quantum Mechanics
Page 4
Questions (730)
How can the atomic orbital be described in the quantum mechanical wave model of the orbitals?
A. A collection of balloons B. A
4 answers
asked by
Otice
577 views
When using the Heisenberg uncertainty principle, and you are seeking to find delta x, and are given both the velocity and delta
4 answers
asked by
Amber
540 views
An electron is in the 5f orbital. What are the values or sets of values for…
a. The principle quantum number (n)? b. The
3 answers
asked by
Alex
871 views
State whether each of the following sets of quantum numbers is permissible for an electron in an atom. If a set is not
2 answers
asked by
biman
1,166 views
Quantum numbers arise naturally from the mathematics used to describe the possible states of an electron in an atom. The four
3 answers
asked by
Jordan
10,711 views
find the energy of an x-ray photon which can impact a maximum energy of 50 kev to an electron
4 answers
asked by
priyanka
1,265 views
calculate the momentum of a particle ,whose de Broglie's wave length is 0.1nm ?
4 answers
asked by
nitin
599 views
Find energy of an X-ray photon which can impart maximum energy of 50 keV to electron?
4 answers
asked by
Sachin
1,457 views
If a 6.0keV photon scatters from a fee proton at rest, what is the change in the photon's wavelength if the photon recoils at 90
2 answers
asked by
Sarah
553 views
What is the de Broglie wavelength of an electron traveling at 1.26×105m/s ?
3 answers
asked by
Anonymous
1,197 views
Recall how the Schrödinger equation was motivated by the non-relativistic dispersion relation E=p22m. If we follow the same
3 answers
asked by
sonia
607 views
Calculate the wavelength of a proton with energy 2.45 eV.
Please some help!
4 answers
asked by
Anon
987 views
Calculate the wavelength of a proton with energy 2.45 eV.
2 answers
asked by
Anon
1,012 views
A particle with the mass of a proton is trapped in a box. The particle falls from the n=3 state to the n=2 state and emits 0.16
2 answers
asked by
Urgent help
599 views
An atom emits a photon of wavelength 1.08 meters. What is the energy change occurring in the atom due to this emission?
4 answers
asked by
Anonymous
1,066 views
Calculate the wavelength, λ, in meters of a photon capable of exciting an electron in from the ground state to n = 4.
2 answers
asked by
adex
461 views
Suppose we have a qubit in the state |ψ>. We know that if we measure it in the standard basis, the probability of getting a 0
4 answers
asked by
qwerty
719 views
What is the energy of a photon with a frequency of 3.5 X 10ˆ15 sˆ-1 in J/photon? In J/mol?
3 answers
asked by
Kimberly
611 views
What is the wavelength of a photon that has an energy of E = 4.01×10^-19J ?
3 answers
asked by
Larry
867 views
Calculate the de Broglie wavelength of a proton moving at 5.50x10^5 m/s.
3 answers
asked by
mono
726 views
What is the length of a box in which the difference between an electron's first and second allowed energies is 1.30×10−19 ?
3 answers
asked by
Karla
415 views
Indicate which of the following quantum numbers are unacceptable:
(a)(1,2,0,1/2) (b) (3,2,0,1/2) (c)(3,2,2,1) (d) (4,3,2,-1/2)
3 answers
asked by
earl
2,630 views
write all the possible set of magnetic quantum number for an electron in the n=2 shell that have an angular momentum number l=o
2 answers
asked by
keisha
1,180 views
A H atom absorbs a photon with a wavelength of 9.50 × 10^1 nm. If the energy of the final state of the H atom was -8.72 ×
3 answers
asked by
adriana
458 views
A Be3+ ion absorbs a photon with a frequency of 7.31 × 1015 Hz. If the energy of the final state of the Be3+ ion was -3.88 ×
3 answers
asked by
Kyle
553 views
Zinc has a work function of 4.30 ev .
A 4.50eV photon strikes the surface and an electron is emitted. What is the maximum
2 answers
asked by
paige
1,036 views
Determine the final end (final) value of n in a hydrogen atom transition, if electron starts in n = 1 and the atom absorbs a
3 answers
asked by
Nancy
1,072 views
Suppose Fuzzy, a quantum mechanical duck, lives in a world in which h = 2π J.s. Fuzzy has a mass
of 2.0 kg and is initially
3 answers
asked by
Abby
1,383 views
What is the frequency of a photon resulting from the transition of n = 7 �¨ n = 1 ?
3 answers
asked by
John
827 views
A 295 lb fullback runs the 40 yd dash at a speed of 19.3 ± 0.1 mi/h.
(a) What is his de Broglie wavelength (in meters)? (b) What
4 answers
asked by
Jon
765 views
calculate the maximum increase in photon wavelength that can occur during Compton Scattering. (answer in pm).
2 answers
asked by
xyz
527 views
Very small crystals composed of 1000 to 100,000 atoms, called quantum dots, are being investigated for use in electronic
3 answers
asked by
Anita
1,459 views
The allowed orbits for the electron around the nucleus of the hydrogen atom are explained by de Broglie as ...
a. Quantized
2 answers
asked by
Sandra
1,155 views
the first excited state of the nucleus of uranium-235 is 0.051 MeV above the ground state. what is the wavelength of the photon
4 answers
asked by
Sasha
1,189 views
Does the uncertainty principle tell us that we can never know anything for certain?
3 answers
asked by
Jake
552 views
An electron de-excites from the fourth quantum level, to the third and then directly to the ground state. Two photons are
2 answers
asked by
Ella
1,179 views
From the information below, identify element X.
a. The wavelength of the radio waves sent by an FM station broadcasting at 97.1
3 answers
asked by
Gabriela
584 views
What is Quantum decoherence and CP violations? Explain it in detail along with mathematical expressions and equations.
3 answers
asked by
Dave
40 views
What is the Zero point energy of the Vacuum of Space? Explain it in detail along with mathematical expressions and equations.
3 answers
asked by
Dave
37 views
a) If a photon and an electron each have the same energy of 20.0 eV, find the wavelength of each.
b) If a photon and an electron
4 answers
asked by
Jennifer
2,857 views
Give the full set of quantum numbers for the electron lost when a Cs atom ionizes.
a. n = 6; l = 1; ml = –1; ms = +½ b. n = 5;
4 answers
asked by
Sam
2,371 views
Complete the table below by filling in the principal quantam number n and angular momentum quantum number L for each electron
2 answers
asked anonymously
55 views
Complete the table below by filling in the principal quantam number n and angular momentum quantum number L for each electron
2 answers
asked anonymously
45 views
Complete the table below by filling in the principal quantam number n and angular momentum quantum number L for each electron
2 answers
asked anonymously
49 views
what is a photon
3 answers
asked anonymously
13 views
The concept that electrons have both solid and wavelike properties is called _________ .
1 answer
asked by
Rondezy
67 views
fill in the blank: _________ principle establishes the inability to simultaneously know position and velocity for subatomic
1 answer
asked by
Rondezy
72 views
fill in the blank: One cannot know _________ and velocity for subatomic particles.
1 answer
asked by
Rondezy
90 views
true or false: Heisenberg's law says that momentum and position can be known together, and explain why.
2 answers
asked by
Rondezy
74 views
true or false: Subatomic particles can be both wavelike and particulate solid is the duality principle.
1 answer
asked by
Rondezy
58 views
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