The lowest excited state of a sodium atom lies at an energy of 3.371 x 10−19...
The lowest excited state of a sodium atom lies at an energy of 3.371 x 10−19 J/atom above the ground state. The degeneracy of the excited state is 2, whereas that of the ground state is 1. Calculate the fraction of sodium atoms in the excited state in an air-acetylene flame at 2600K.
Please show work I want to know the equation better I'm stuck on three different answers
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The lowest excited state of a sodium atom lies at an energy of
3.371 x 10−19...
Find on-line a Grotrian diagram for the sodium atom. What wavelengths (in nm) are the most...
Find on-line a Grotrian diagram for the sodium atom. What wavelengths (in nm) are the most sensitive for the analysis of Na atoms in an atomic absorption experiment? What energy levels are involved in these electronic transitions? Na can also be measured by the process of atomic emission, where the heat from the flame is used to excite the atom to its excited state. What fraction of Na atoms are excited in an acetylene-air flame at a temperature of 2200C?...
For the hydrogen atom, its energy at ground state is 13.6 eV, at first excited state...
For the hydrogen atom, its energy at ground state is 13.6 eV, at first excited state is 3.4 eV at second excited state is 1.5 eV and at the third excited state is 0.85 eV. i) Give the energy value for the first two states in Joule (J). [1eV =1.6 x 10-19 J] (2 marks) ii) With the aid of schematic diagram, determine the energy of emitted photon when the atom jumps from the first and third excited states to...
1. For calculating the pH of 0.01010 M KH PO., which of the following strategies is...
1. For calculating the pH of 0.01010 M KH PO., which of the following strategies is correct? A. Treat as monoprotic acid system and use Kai B. Treat as monoprotic acid system and use Kaz C. Treat as amphiprotic system and use Ka, and Kaz D. Treat as amphiprotic system and use Kaz and Kaz 2. A 0.100 M NaOH solution is used for titrating an 0.0750 M acetic acid solution (pKa-4.76). What is the pH of the solution when...
An atom in a solid has two energy levels: a ground state of degeneracy g_1 and...
An atom in a solid has two energy levels: a ground state of degeneracy g_1 and an excited state of degeneracy g_2 at an energy Delta above the ground state. Show that the partition function atom is Z_atom is Z_atom = g_1 + g_2 e^-beta Delta. (a) Show that the heat capacity of the atom is given by C = g_1 g_2 Delta^2 e^-beta Delta/k_B T^2 (g_1 + g_2 e^-beta Delta)^2. A monatomic gas of such atoms has a partition...
The strong sodium D-lines (average 589.3nm) represent an energy difference between the ground and excited state...
The strong sodium D-lines (average 589.3nm) represent an energy difference between the ground and excited state of 203.0 kJ mol-1 Assuming g*/go = 2, what percentage of Na atoms are in the excited states at T = 2900K? use N*/No = (g*/go) e-(DE/KT) where DE is energy difference of ground and excited state k = Boltzmann's constant and Tin Kelvin.
According to the Bohr model, the energy of the hydrogen atom is given by the equation:...
According to the Bohr model, the energy of the hydrogen atom is given by the equation: E = (-21.7 x 10 -19 J)/ n 2 Calculate the wavelength of the photon emitted when the atom undergoes relaxation from the first excited state to the ground state The answer is 1.22 x 10-7 m but I don't know how ?
4. When a hydrogen atom is bombarded, the atom may be raised into a higher energy state. As the excited electron f...
4. When a hydrogen atom is bombarded, the atom may be raised into a higher energy state. As the excited electron falls back to the lower energy levels, light is emitted. What are the three longest-wavelength spectral lines emitted by the hydrogen atom as it returns to the n = 1 state from higher energy states? Give your answers to three significant figures. The lowest possible state, n = 1, corresponds to the electron in its smallest possible orbit; it...
Electrons in an unknown atom(not hydrogen) are excited from the ground state to the n=3 energy...
Electrons in an unknown atom(not hydrogen) are excited from the ground state to the n=3 energy level. As these electrons make quantum jumps back to the ground state, photons of three different energies are emitted. The most energetic photon has an associated wavelength of 62.2 nm and the least energetic photon has an associated wavelength of 207 nm. What is the associated wavelength of the other type pf photon? The answer is 3-1 (20 eV), 3-2 (6 eV) and 2-1...
1. Consider in more detail the lowest energy transition of a d6 ion in a weak...
1. Consider in more detail the lowest energy transition of a d6 ion in a weak ligand field. a) (i) Give the symmetry designations and strong field configurations for the ground and excited states [something like 4A1g(t2gxegy) → 4Eg(t2gmegn)].(ii) Draw the d orbitals splitting diagram for an octahedral complex with the electrons included for both the ground and excited state from a(i) above. (iii) What is the energy difference between the two strong-field configurations? (b) Do these two states come...
3 (b) The energy of a Bohr atom in the n-th excited state is given by the formula E--a2mc2 2,7, where α-e2/(4πέρ,10hc)-1 /137, m is the electron mass and e denotes the electron electric charge. i) Wh...
3 (b) The energy of a Bohr atom in the n-th excited state is given by the formula E--a2mc2 2,7, where α-e2/(4πέρ,10hc)-1 /137, m is the electron mass and e denotes the electron electric charge. i) Why is the total energy negative? Explain briefly your answer. ii) What is the radius of the electron in the n-th excited state in the Bohr atom? To answer that correctly follow the next steps Use Bohr's angular momentum quantization principle to obtain an...
For the hydrogen atom, its energy at ground state is 13.6 eV, at first excited state is 3.4 eV at second excited state is 1.5 eV and at the third excited state is 0.85 eV. i) Give the energy value for the first two states in Joule (J). [1eV =1.6 x 10-19 J] (2 marks) ii) With the aid of schematic diagram, determine the energy of emitted photon when the atom jumps from the first and third excited states to...
1. For calculating the pH of 0.01010 M KH PO., which of the following strategies is correct? A. Treat as monoprotic acid system and use Kai B. Treat as monoprotic acid system and use Kaz C. Treat as amphiprotic system and use Ka, and Kaz D. Treat as amphiprotic system and use Kaz and Kaz 2. A 0.100 M NaOH solution is used for titrating an 0.0750 M acetic acid solution (pKa-4.76). What is the pH of the solution when...
An atom in a solid has two energy levels: a ground state of degeneracy g_1 and an excited state of degeneracy g_2 at an energy Delta above the ground state. Show that the partition function atom is Z_atom is Z_atom = g_1 + g_2 e^-beta Delta. (a) Show that the heat capacity of the atom is given by C = g_1 g_2 Delta^2 e^-beta Delta/k_B T^2 (g_1 + g_2 e^-beta Delta)^2. A monatomic gas of such atoms has a partition...
The strong sodium D-lines (average 589.3nm) represent an energy difference between the ground and excited state of 203.0 kJ mol-1 Assuming g*/go = 2, what percentage of Na atoms are in the excited states at T = 2900K? use N*/No = (g*/go) e-(DE/KT) where DE is energy difference of ground and excited state k = Boltzmann's constant and Tin Kelvin.
4. When a hydrogen atom is bombarded, the atom may be raised into a higher energy state. As the excited electron falls back to the lower energy levels, light is emitted. What are the three longest-wavelength spectral lines emitted by the hydrogen atom as it returns to the n = 1 state from higher energy states? Give your answers to three significant figures. The lowest possible state, n = 1, corresponds to the electron in its smallest possible orbit; it...
3 (b) The energy of a Bohr atom in the n-th excited state is given by the formula E--a2mc2 2,7, where α-e2/(4πέρ,10hc)-1 /137, m is the electron mass and e denotes the electron electric charge. i) Why is the total energy negative? Explain briefly your answer. ii) What is the radius of the electron in the n-th excited state in the Bohr atom? To answer that correctly follow the next steps Use Bohr's angular momentum quantization principle to obtain an...
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