Suppose you have argon atoms in a sealed and isolated container, and they all have the same speed of 4.2 x 10² m/s. The atoms then collide with one another until the Maxwell-Boltzmann distribution is established. a. What is the temperature of the gas at equilibrium? b. What is the temperature at equilibrium if you would replace half of the argon atoms by helium atoms?
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- a. Compute the specific heat capacity at constant volume of nitrogen (N2) gas. The molar mass of N2 is 28.0 g/mol. b. You warm 1.15 kg of water at a constant 1L volume from 20∘C to 30∘C in a kettle. For the same amount of heat, how many kilograms of 20∘C air would you be able to warm to 30∘C? Make the simplifying assumption that air is 100% N2. What volume would this air occupy at 20∘C and a pressure of 1 atm ?A container of nitrogen molecules is at a temperature of 37.0°C. What is the mass of a nitrogen molecule in atomic mass units? [Note: nitrogen is a diatomic gas.] а. b. What is the mass of a nitrogen molecule in kilograms? C. What is the average translational kinetic energy of the nitrogen molecules? d. What is the rms speed of the nitrogen molecules? е. What is the average rotational energy of a nitrogen molecule?a. Explain what the temperature of an ideal gas actually measures, molecularly b. You have two containers, the first with 1 mole of helium and the second with 5 moles of neon at the same temperature. Which gas has more thermal energy? Explain.
- 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?Part C Some hydrogen gas is enclosed within a chamber being held at 200°C with a volume of 0.0250 m³. The chamber is fitted with a movable piston. Initially, the pressure in the gas is 1.50 × 106 Pa (14.8 atm). The piston is slowly extracted until the pressure in the gas falls to 0.950 x 106 Pa. What is the final volume V₂ of the container? Assume that no gas escapes and that the temperature remains at 200°C. Enter your answer numerically in cubic meters. ► View Available Hint(s) V₂ = Submit [5] ΑΣΦ ? m³P3. After a particularly cold night, Alice leaves a tub of water outside. You may consider the ground and air to have temperatures of T. = -10°C and T = 10°C respectively. How thick is the layer of ice that forms at the bottom of the tub of water, after the tub has been left outside for a long time? The tub of water initially has a layer of water of thickness họ = 10 cm. You may assume that the ground and air remain at a constant temperature throughout, and that the side lengths of the tub a, b > ho, i.e. the heat conduction is one- dimensional. Density of ice and water are Pice = 920 kg/m³ and Pw = 1000 kg/m³. Ice and water have thermal conductivities of kice = 2.22 WK-1m-1 and kiw = 0.556 W K-1m-1.
- When a cooked chicken breast is first removed from an oven, it has a surface temperature of 180 C. By the time the chicken is served at the table it has cooled to 120 C. What is the ratio of energy flux density emitted from the surface of the chicken when it has cooled to that when it was hot? Group of answer choices A. depends on mass of the chicken B. 0.20 C. 0.57 D. 0.67 E. depends on surface area of the chickenSuppose that the rms speed of carbon dioxide molecules, with molar mass of 44.0 g/mol, in a flame is found to be 1.2 × 105 m/s a.What temperature, in kelvins, does this represent? b. What temperature, in celsius does this represent?How do I calculate L?
- Five gas molecules have speeds of 500, 600, 700, 800, and 900 m/s. What is the rms speed? What is the average speed?4. The density of the most common polymorph of ice is 917 kg/m³. Use the Clausius-Clapeyron relation to explain why the slope of the phase boundary between water and ice is negative. b. How much pressure would you have to put on an ice cube to make it melt at -2° C? а.