2. The ground level of Cl is 2P3/2 and a 2P1/2 level lies 881 cm–1 above...
2. The ground level of Cl is 2P3/2 and a 2P1/2 level lies 881 cm–1 above it. Calculate the electronic contribution to the heat capacity of Cl atoms at (a) 500 K and (b) 900 K.
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2. The ground level of Cl is 2P3/2 and a 2P1/2 level lies 881 cm–1 above...
A certain atom has a doubly degenerate ground level pair and an upper level of four...
A certain atom has a doubly degenerate ground level pair and an upper level of four degenerate states at 450 cm^-1 above the ground level. In an atomic beam study of the atoms it was observed that 30 per cent of the atoms were in the upper level, and the translational temperature of the beam was 300 K. Are the electronic states of the atoms in thermal equilibrium with the translational states?
Problem 3. A certain atom has a doubly degenerate ground level pair and an upper level of four degenerate states at 450...
Problem 3. A certain atom has a doubly degenerate ground level pair and an upper level of four degenerate states at 450 cm-above the ground level. In an atomic beam study of the atoms it was observed that 30 per cent of the atoms were in the upper level, and the translational temperature of the beam was 300 K. Are the electronic states of the atoms in thermal equilibrium with the translational states?
The NO molecule has a double degenerate electronic ground state and a double degenerate excited s...
The NO molecule has a double degenerate electronic ground state and a double degenerate excited state at 121.1 cm- 1. Calculate and plot the electronic contribution to the molar heat capacity of the molecule up to 500K
Problem 2. A certain atom has a threefold degenerate ground level, a non-degenerate electronically excited level at 350...
Problem 2. A certain atom has a threefold degenerate ground level, a non-degenerate electronically excited level at 3500 cm, and a threefold degenerate level at 4700 cm-?. Calculate the partition function of these electronic states at 1900 K.
In a P-type semiconductor, the Fermi level lies 0.4 ev above the valence band at 300...
In a P-type semiconductor, the Fermi level lies 0.4 ev above the valence band at 300 0K. I)etermine the new position of the Fermi level (a) at 450 OK and (b) if the concentration of acceptor atoms is multiplied by a factor of 2. Assume kT = 0.03 eV.
The NO molecule has a doubly degenerate excited electronic level 121.1cm-1 above the double degenerate electronic...
The NO molecule has a doubly degenerate excited electronic level 121.1cm-1 above the double degenerate electronic ground term. (a) Calculate the electronic partition function of NO at T=0K, T=298K and T=1000K. (b) Evaluate the populations of ground and excited states and (c) the mean electronic energy at 298K.
how to complete this? level diagram for cm² of 1 mol n and 50 cm of...
how to complete this?
level diagram for cm² of 1 mol n and 50 cm of Diagram 15 shows an energy level dia. a chemical reaction between 50 cm of dm sodium hydroxide solution and 50 1 mol dm? ethanoic acid. wanbae [Specific heat capacity of water: 4.2 Jg kon Rajah 15 menunjukkan gambar rajah aras bagi tindak balas kimia antara 50 cm larutan hidroksida 1 mol dm dengan 50 cm asid et 1 mol dm? [Muatan haba tentu: 4.2...
QUESTION 3: Atomic Structure 2 [25 total marks] (a) (1) What is the photoelectric effect? (2...
QUESTION 3: Atomic Structure 2 [25 total marks] (a) (1) What is the photoelectric effect? (2 marks) (ii) Find the frequency of incident photon on the surface of a metal if the threshold wavelength is 500 nm and the velocity of electron is 6 x 10 ms. (8 marks) (b) Considering the equation for the energy levels of a hydrogenic atom below, calculate the frequency of the transition between the ground and first excited electronic states of the hydrogen atom,...
3. The HCN molecule is a linear molecule, and the following constants are determined spectroscopically: moment...
3. The HCN molecule is a linear molecule, and the following constants are determined spectroscopically: moment of inertia, I = 18.816 x 10-47kg.m2, and three vibrational frequencies, 7 = 2096.7 cm ' (HC-N stretch), üz = 713.46 cm (H-C-N bend, two- fold degeneracy), Dz = 3311.47 cm-' (H-CN stretch). (a) Calculate Orot and Ovit. (b) Calculate the molecular partition function of HCN at 300K and 1 atm. The degeneracy of electronic ground state is 1. (c) Compute the constant volume...
1. A projectile is launched horizontally from a height above level ground of 3 m. When...
1. A projectile is launched horizontally from a height above level ground of 3 m. When it hits the ground, it's horizonta displacement from the launch point is 7 m. a. b. How much time does it spend in flight? With what speed was it launched? Suppose the projectile were now launched from the same point at an angle of 45 above the horizontal. a. b. How much time does it spend in the air? What is its horizontal displacement...
Problem 3. A certain atom has a doubly degenerate ground level pair and an upper level of four degenerate states at 450 cm-above the ground level. In an atomic beam study of the atoms it was observed that 30 per cent of the atoms were in the upper level, and the translational temperature of the beam was 300 K. Are the electronic states of the atoms in thermal equilibrium with the translational states?
Problem 2. A certain atom has a threefold degenerate ground level, a non-degenerate electronically excited level at 3500 cm, and a threefold degenerate level at 4700 cm-?. Calculate the partition function of these electronic states at 1900 K.
how to complete this?
level diagram for cm² of 1 mol n and 50 cm of Diagram 15 shows an energy level dia. a chemical reaction between 50 cm of dm sodium hydroxide solution and 50 1 mol dm? ethanoic acid. wanbae [Specific heat capacity of water: 4.2 Jg kon Rajah 15 menunjukkan gambar rajah aras bagi tindak balas kimia antara 50 cm larutan hidroksida 1 mol dm dengan 50 cm asid et 1 mol dm? [Muatan haba tentu: 4.2...
QUESTION 3: Atomic Structure 2 [25 total marks] (a) (1) What is the photoelectric effect? (2 marks) (ii) Find the frequency of incident photon on the surface of a metal if the threshold wavelength is 500 nm and the velocity of electron is 6 x 10 ms. (8 marks) (b) Considering the equation for the energy levels of a hydrogenic atom below, calculate the frequency of the transition between the ground and first excited electronic states of the hydrogen atom,...
3. The HCN molecule is a linear molecule, and the following constants are determined spectroscopically: moment of inertia, I = 18.816 x 10-47kg.m2, and three vibrational frequencies, 7 = 2096.7 cm ' (HC-N stretch), üz = 713.46 cm (H-C-N bend, two- fold degeneracy), Dz = 3311.47 cm-' (H-CN stretch). (a) Calculate Orot and Ovit. (b) Calculate the molecular partition function of HCN at 300K and 1 atm. The degeneracy of electronic ground state is 1. (c) Compute the constant volume...
1. A projectile is launched horizontally from a height above level ground of 3 m. When it hits the ground, it's horizonta displacement from the launch point is 7 m. a. b. How much time does it spend in flight? With what speed was it launched? Suppose the projectile were now launched from the same point at an angle of 45 above the horizontal. a. b. How much time does it spend in the air? What is its horizontal displacement...
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