4. Suppose you have 5 moles of helium gas (ideal, monatomic), which expands under constant pressure. If the temperature changes from T; 300 K to Tf = 400 K, calculate AU, Q and W for that change.
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Q: 4. Suppose you have 5 moles of helium gas (ideal, monatomic), which expands under constant pressure.…
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- 7.4 Dieterici's equation of state is written in terms of constants a and b as P(V –b) = RT exp(-a/RTV). Determine the Joule and Joule-Kelvin coefficients for a gas obeying this equation.Problem 2: Helium is a very important element for both industrial and research applications. In its gas form it can be used for welding, and since it has a very low melting point (only 0.95 K under 2.5 MPa) it can be used in liquid form to cool superconducting magnets, such as those found in particle physics experiments. Say we have a cylinder of n = 145 moles of Helium gas at room temperature (T = 20° C). The cylinder has a radius of r = 17.5 cm and a height h = 1.45 m. Part (a) What pressure (in kPa) is the helium gas under? P = ______ Part (b) Helium is usually kept in the highest pressure gas cylinders, which can typically withstand at least 500 atm of pressure. Would the tank in part (a) be able to maintain its structural integrity? Part (c) In principle, these tanks could fail if the temperature of the Helium started rising - if they were stored in a hot environment, for instance. To determine how much of a danger this is, calculate the temperature (in C) the Helium gas…Please answer all parts: Problem 3: There are lots of examples of ideal gases in the universe, and they exist in many different conditions. In this problem we will examine what the temperature of these various phenomena are. Part (a) Give an expression for the temperature of an ideal gas in terms of pressure P, particle density per unit volume ρ, and fundamental constants. T = ______ Part (b) Near the surface of Venus, its atmosphere has a pressure fv= 91 times the pressure of Earth's atmosphere, and a particle density of around ρv = 0.91 × 1027 m-3. What is the temperature of Venus' atmosphere (in C) near the surface? Part (c) The Orion nebula is one of the brightest diffuse nebulae in the sky (look for it in the winter, just below the three bright stars in Orion's belt). It is a very complicated mess of gas, dust, young star systems, and brown dwarfs, but let's estimate its temperature if we assume it is a uniform ideal gas. Assume it is a sphere of radius r = 5.7 × 1015 m…
- Much of the gas near the Sun is atomic hydrogen. Its temperature would have to be 1.50 107 K for the average speed vrms to equal the escape speed of the Sun. What is that speed? The atomic mass of hydrogen is 1.008 10-3 kg/mol.2 4. Calculate the number of gas molecules in a container of volume 0.30 m³ filled with gas under a partial vacuum of pressure 25 Pa at 17 °C. A I on N 2 W S #3 3. X H H command C E D $ 4 C R F % 5 G Search or type URL V T G A 832 11332 6 MacBook Pro B Y H & 7 N U J * 00 8 M 1 ( · 9 K O V H I ) O L command P > I : option K { [ ? IHi I need help with this question: The Goodyear blimp we usually see hovering above our heads at a football game contains 5200 m3 of helium gas. If there are 1090 kg of gas at an absolute pressure of 1.10 105 Pa in the blimp, what is the temperature of the gas? The atomic mass of helium 4.00260 g/mol.
- The most probable speed an atom/molecule in an ideal gas in thermodynamic equilibrium at temperatureT will have is vmp=(2kgT/M)/2. What is the most probable speed in a gas of hydrogen molecules (H2) at 77 °C? m,=1.67x10 27 kg, kg=1.38x10 23 J/K.A tank contains 16 moles of neon gas at an absolute pressure of 1 x 105 Pa. What is the change in the internal energy of the gas when the temperature is raised from 27 ºC to 32 ºC. Given: Boltzmann constant: k = 1.38 x 10–23 J/K, Ideal Gas Constant: R = 8.31 J/(mol K) 1000 J B. 750 J C. 500 J D. 250 J E. 100 J2. For T = 300 K, calculate the pressure (in bars) at which the mean free path of a hydrogen molecule will be each of the lengths given here. For H₂, o = 2.30 x 10-1⁹ m². (a) 100 μm (b) 1.00 mm (c) 1.00 m LL
- Can anyone help me with this questionThe Goodyear blimp we usually see hovering above our heads at a football game contains 5400 m3 of helium gas. If there are 1010 kg of gas at an absolute pressure of 1.10 105 Pa in the blimp, what is the temperature of the gas? The atomic mass of helium 4.00260 g/mol.Experiment 1. The student measures the volume of the gas in the cylinder, places a known mass mon top of the piston, and then increases the temperature of the gas at constant pressure to 273C. Experiment 2. After the gas is allowed to cool back to 0C at 1 atm pressure, the student locks the piston in place, and then increases the temperature of the gas to 273C. Experiment 3. After Experiment 2 is completed, the student unlocks the piston, and a computer-controlled heat source maintains the temperature at a constant 273C. After Experiment 2, how do the pressure and volume change (increase/decrease/remain the same)? After Experiment 3?