Calculate the thermal conductivity of argon (CV,m = 12.5 J·K−1·mol−1, σ = 0.36 nm2) at 298...

Calculate the thermal conductivity of argon (C_V,m = 12.5 J·K⁻¹·mol⁻¹, σ = 0.36 nm²) at 298 K.

Expert Solution

queen_honey_blossom answered 2 years ago

A 15.0-L tank containing 1.0 mol of argon gas is at 298 K. (a) Calculate the...

A 15.0-L tank containing 1.0 mol of argon gas is at 298 K. (a) Calculate the initial pressure of the gas and d, the length of the cube containing this volume. (b) Using your value for d, calculate the energies of the two lowest translational energies for the system E1,1,1 and E2,1,1 and their differences ΔE . (c) The tank is opened and the gas is allowed to expand rapidly into a cubical 2000L room such that there is no heat...

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1. Suppose a hollow cylinder made of SS 316 with the thermal conductivity of 16.26 W/m...

1. Suppose a hollow cylinder made of SS 316 with the thermal conductivity of 16.26 W/m K, has inner diameter and thickness of 0.4 and 0.05 m, respectively and length of 1 m. Find the outer diameter of the cylinder (in meter) 2. Calculate the thermal energy generation, if the volumetric heat generation inside the cylinder equal to 2.1 x 10^5 W/m^3 3. If the outer diameter of cylinder is changed to 0.46 m and the cylinder is cooled by...

Calculate the diffusion constant of argon at 20°C and at the following pressures. Take σ =...

Calculate the diffusion constant of argon at 20°C and at the following pressures. Take σ = 0.36 nm2. If a pressure gradient of 1.0 bar·m−1 is established in a pipe, what is the flow of gas due to diffusion? (a) 2.02 Pa (b) 202 kPa (c) 20.2 MPa

3. A stainless steel sphere of thermal conductivity 16 W/m · K with a diameter of...

3. A stainless steel sphere of thermal conductivity 16 W/m · K with a diameter of 4 cm is exposed to a convective environment of 15 W/m2 · K, 20?C. Heat is generated uniformly in the sphere at a rate of 1.0 MW/m3 . Determine the steady-state temperature of the sphere at its center and its surface. Also determine the heat flux at a radius of 1.5 cm.

In a slab of material 0.25 m thick and having a thermal conductivity of 45 W/mK,...

In a slab of material 0.25 m thick and having a thermal conductivity of 45 W/mK, the temperature °C at x under steady state is given by T = 100 + 200x – 400x2 when x is measured from one face in m. Determine the heat flow at x = 0, x = 0.125 and x = 0.25 m and also the temperatures and temperature gradients at these planes. If the difference in heat flow at these sections is due...

in this example, 2.5 mol of an ideal gas with CV,m= 12.47Jmol-1K-1 is expanded adiabatically against...

in this example, 2.5 mol of an ideal gas with CV,m= 12.47Jmol-1K-1 is expanded adiabatically against a constant external pressure of 1 bar. The initial temperature and pressure of the gas are 325 K and 2.5bar respectively. The final pressure is 1.25 bar. Calculate the final temperature, q, w, ΔU and ΔH

Aspherical container of inner radius r1 2 m, outer radius r2 2.1 m, and thermal conductivity...

Aspherical container of inner radius r1 2 m, outer radius r2 2.1 m, and thermal conductivity k 30 W/m · °C is filled with iced water at 0°C. The container is gaining heat by convection from the surrounding air at T 25°C with a heat transfer coefficient of h 18 W/m2 · °C. Assuming the inner surface temperature of the container to be 0°C, (a) express the differential equation and the boundary conditions for steady one-dimensional heat conduction through the...

Q1. Suppose a hollow cylinder made of SS 316 with the thermal conductivity of 16.26 W/m...

Q1. Suppose a hollow cylinder made of SS 316 with the thermal conductivity of 16.26 W/m K, has inner diameter and thickness of 0.4 and 0.03 m, respectively and length of 1 m. Find the outer diameter of the cylinder (in meter) Q2. Calculate the thermal energy generation, if the volumetric heat generation inside the cylinder equal to 2.2 x 10^5 W/m^3 Q3. If the outer diameter of cylinder is changed to 0.46 m and the cylinder is cooled by...

A 10.0 mol sample of an IG with a CV,m = 1.5R undergoes reversible isothermal compression...

A 10.0 mol sample of an IG with a CV,m = 1.5R undergoes reversible isothermal compression from 0.200 to 0.500 atm at 373K. a. Calculate the initial and final volumes. b. q c. w d. ∆U

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