Q: Calculate the energy equivalent of 1 g of substance.
A:
Q: Find the typical de Broglie wavelength associated with a He atom in helium gas at room temperature…
A:
Q: What is the energy range (in joules and eV) of photonsin the visible spectrum, of wavelength 400 nm…
A: The energy of the photons with wavelengths at the ends of the visible spectrum are,…
Q: The average thermal velocit Yofelectrons at T- Fook equals.
A:
Q: Estimate the peak wavelength for radiation emitted from(a) ice at 0°C, (b) a floodlamp at 3100 K,…
A: T=Temperatureb=Constant of proportionality=2.89×10−3 mKλ=Wavelength
Q: l's equations in integral and differe ved. What is their physical significar farwell tions for ue
A:
Q: The potential analysis of scattering wave has to considey waves with L=0,L, 2, 3, one For a given…
A: Given:- The potential wave expansion is dominate at low energy which is l. The orbital…
Q: In a two levels systems, the levels are separated by an energy E,-E,. find the ratio of population…
A: Given Wavelength of he transition = lambda = 400nm The energy of the transition is E = hc/lambda…
Q: A container of nitrogen is at 2.00atm of pressure and a temperature of 400K. If we -10 treat the…
A:
Q: The power radiated by a black body in P and it radiated maximum energy at wavelength, Ao . If the…
A:
Q: ) if A = = 3i+4j +2K and B= -2i +6j +5k find A. B. (A. B. äojö a>)
A:
Q: The de Broglie wave length of a neutron which is in thermal equilibrium at temperature T is ?
A: Mass of the neutron m = 1.6*10-27 kg Boltzmann's constant k = 1.38*10-23 m2 kg s-2 K-1 Planks…
Q: Calculate the wavelength of the photon need it to promote the system from state Ψ2,2 to Ψ4,8 . E2,2…
A: Given: state promoted from Ψ2,2 to Ψ4,8.
Q: A star of radius tempera ture af 10,000 K. Assuming its perfect radietor, a) Calculete the 6.95 x…
A:
Q: Ql: A nuclear bomb at the instant of explosion may be approximated to a blackbody of radius 1.3 m…
A: Given: The surface temperature of the bomb is 107 K. The radius of the bomb is 1.3 m. Introduction:…
Q: he pertubation H'=bz", where b Es a Cous tant one-dimentional harmonc c& cillator potential Vey= fwm…
A:
Q: AU W is indicative of a %3D process. isovolumetric isochromatic O adiabatic O isothermal
A:
Q: A proton and an alpha particle are accelerated through the same potential. Which one of the two has…
A:
Q: Consider a lower energy level situated 200 cm-1 from the ground state. There are no other energy…
A: Let the energy of the ground state be Eo = 0 Temperature = 300 K We will make use of Boltzmann law…
Q: Fond kaferatire of photon Jass Link) after it has Underame a devemible adiabatic expanslon to 8…
A: Given, Initial temperature, T1 = 2K Initial Volume, V1 = V Final Volume ,V2 = 8V In adiabatic…
Q: Four bones of eqyual 3) sizes are to distinquishable particles Find the probability of macyostate…
A: i) The most probable state is (3, 4, 1) when one particle moves from left to right, and probability…
Q: Obtain the expression for the average thermal energy when the partition function is Z: ħo (A) 극청고 2…
A: Let Z denote the partition function, kB denote the Boltzmann constant, T denote the temperature, ħ…
Q: na closed сп it, an electh current of intensity i goes thro esistance R. The electric potential at…
A: (a)In a closed circuit, an electric current of intensity (i) goes through a resistor of resistance…
Q: In a two levels systems, the levels are separated by an energy E,-E,. find the ratio of population…
A:
Q: Show that TV 32 Cp – Cy = %3D reduces to Cp-Cv = R for an ideal gas.
A:
Q: How many photons p er second enter the eye from a 100-W light bulb emitting light at 555 nm from 300…
A:
Q: Calculate the relative populations of two quantum statesseparated by an energy of 40 × 102-1 J if…
A: Energy sepreation between two levels is ∆E = 40×10-21 JTemeperature os state is T= 25o C = 25+273K=…
Q: In the two-level system, estimate the emission line full width at half maximum (FWHM) for…
A:
Q: The relaxation time of mi c (0- 10-15 mholm, %3D Er=8-2) is
A: Given: σ=10-15 mho/m εr=8.2 The relaxation time of mica =?
Q: Derive a relation for Joule – Thomson coefficient for a gas whose equation of state is а (P+2) V =…
A: Joule-Thomson coefficient (μJT) be defined as, μJT=TCP∂V∂TP-V ............1
Q: Considerthe step potentialfunction shown below. Assume thata flux of electrons has energy E and it…
A: Using the time-independent Schrodinger equation, ∂2ψ∂x2+2mh¯2E-Vxψ=0 where h=h/2π In the…
Q: A van der Waals dispersion force between helium atoms produces a very shallow potential well, with a…
A: The depth of potential is given as 1 meV. The energy needed to condense Helium be defined as,…
Q: For an ideal gas O2 at T = 293 K fi nd the two speeds v that satisfy the equation 2F(v) = F(v*).…
A: Given: An ideal gas of oxygen O2 Temperature: 293 [K] Maxwell`s distribution function: F(v) Mass of…
Q: Consider the Compton sca - of a by ehtem dire ctron Show bree eleton moing urth a mom of magnilude p…
A:
Q: cal culate the length of the De Broglie Wavelength of the 24 Earth, with a mass of 6 * 10' Km…
A: Given data The mass of the earth is given as m = 6 x 1024 km. The speed of the earth is given as v…
Q: What's the difference between Compton and PV?
A: Crompton Effect :- When the high energy photon strike with the material it produces the electron…
Q: Show that heat is a path function.
A: Consider a system taken from state 1 to 2 through the path P and it is returned to the original…
Q: When calaculating the mass of an atom why do we exclude the electron's mass? and only use protons…
A: Mass of the proton Mp=1.67263×10-27 kg Mass of the Neutron Mn=1.67492×10-27kg We see the mass of the…
Q: Consider the electromagnetic radiation inside a kiln, with a volume of 1 m3 and a temperature of…
A:
Q: The velocity of electrons will change when they collide with ions, therefore, the probability per…
A:
Step by step
Solved in 3 steps
- Fi Calculate the van der Waals second viral coefficient (B) using Zydw at 299.6 K, where Zydw is given as 1 where Pc= 119.9 atm, Vm.c= 122.2 cm3/mol and T= 325.2 K. a Zvdw =1+|b- RT O a. 0.22 O b. -3.22 O c. -2.01 O d. -0.183. In dealing with PV work, the P in PAV always refer to the external pressure- the pressure that causes an expansion. True or False 4. A state function depends on the how the system arrived at the present state. True or False 5. The zero points for AH_f^0 values are elements in their standard state. All substances are measured in relation to this zero point. True or False3. Five indistinguishable particles are to be distributed among the 4 equally spaced energy levels (shown in the table) with no restriction on the number of particles in each energy state. The total energy is to be 12ɛ. Energy Energy Units (ɛ) Degeneracy g Level (a) In a diagram, specify the occupation number of each level for each possible macrostates. (b) Find the number of microstates for each macrostate, (c) Calculate the average occupation number of each level in the assembly. (d) What is the most probable macrostate? (e) If the particles were fermions, identify the allowed macrostates of your system. E1 E2 E3 1 1 2 3 3 4 E4 4 5
- 3b.1. Show that the heat capacity at the high T limit and the low T limit are: at high T: → Cv = 3R at low T: E T ⒸE 1 -> 0 2 ² (5) *exp(-OF) → Cv (T) ≈ 3R1. a six inch wafer of ic that measure 2mm *3mm is fabricated using a process with seven crutical steps and a total density of 5 cm^-2 a) What is the probability that a single IC will have a defect b) What is the probability that a single IC will have two defect.1. Thermal equilibration in a two-level atomic system: purely radiative case. Suppose a collection of two-level atoms has a specified radiative decay rate Yrad, = and no nonradiative decay, Ynr 0. The atoms are pre-cooled to absolute zero for long enough to come into equilibrium with №₂ 0, and then are suddenly moved at t = 0 into an enclosure with walls held at a finite temperature Trad. Find formulas for the populations N₁(t) and N₂(t), and for the temperature Ta(t) of the collection of atoms for t > 0. =
- 7..A spherical system is made up of 95 wt% 235U and 5 wt% 238U. a. Calculate the fission mean free path b. Calculate the absorption mean free path c. Calculate k∞ for this assembly1. For a one-dimensional fermion gas, calculate the density of energy levels g(e).3. Derive the thermodynamic identity for the infinitesimal form of the Gibbs Free Energy and the resulting partial derivative relationships for entropy, volume, and chemical potential: dG -SdT + VdP + µdN = ƏG S = - .. V = = ƏT / P,N ӘР) ƏN)T,P T,N
- 3. The specific Helmholtz Free energy f is related to the specific internal energy u as: ƒ (T, a) = u — Ts where the "natural variables" of f are temperature and specific volume. a. Expand the differential off in terms of partial derivatives with respect to the natural variables of f b. Using the result from a. and applying the 1st Law of Thermodynamics, what are af T and of la? θα c. From the equality of mixed partial derivatives, show that Op ari la əs θα2. In the reaction between hydrogen gas and chlorine gas to give hydrogen chloride gas spontaneous, under standard conditions? Predict the spontaneity based on the calculated values of enthalpy change, standard entropy, and AS®universe. H2 + Cl2 2HC1 Standard entropy values, Sº in J/mol-K: H29 = 130.7; Cl2 = 223.0; HCl = 186.8 Standard enthalpy of formation, AHf", for HClg = -92.3 kJ/mol %3D1. The expression for free energy as a function of temperature of a system with two states, one at energy 0 and other at 2e is A) F=-k T log(1-2B) F=-k Tlog(1+2) C) F=-k Tlog(1-²0¹²) D)F=-k Tlog(1+²) E) F = k₂Tlog(1+₂³) 2. For a gas of 'N photons having definite frequency w, the specific heat at constant volume is: A) Directly proportional to T C) Directly proportional to T B) Directly proportional to 7¹2 D) Stays constant E) Inversely proportional to T