1. An ideal gas confined to a box exerts pressure on the walls of the box. Where does this pressurecome from? (In other words, what is going on microscopically?)2. How could you measure the pressure of a gas? ("Use a pressure gauge" is not an answer, unlessyou also explain how a pressure gauge works. The same goes for barometers, ete.)3. If you cause an ideal gas to contract, does the temperature go up or down? Explain.

An ideal gas consists of many number of molecules, which are always in a state of random motion.…

Answered: 1. An ideal gas confined to a box…

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HW1. Due: 02/08/2024. 1. The density of dry air at p = 1.0 bar and T =300 K is 1.161 kg/m³. Assuming it consists entirely of N₂ and O₂ and using the ideal gas law, determine the amount of each gas in moles in a volume of 1 m³ and their mole fractions. 2. (a) Calculate the amount of gas in moles per cubic meter of atmosphere at p = 1 atm and T = 298 K using the ideal gas equation. (b) The atmospheric content of CO₂ is about 360 ppmv (parts per million by volume). Assuming a pressure of 1.00 atm, estimate the amount of CO₂ in a 10.0 km layer of the atmosphere at the surface of the earth. The radius of the earth is 6370 km. (The actual amount of CO₂ in the atmosphere is about 6.0 x 1015 mol.) 3. The van der Waals parameter b is a measure of the volume excluded due to the finite size of the molecules. Estimate the size of a single molecule from the data given below. STATES OF MATTER AND THE VAN DER WAALS EQUATION Table 1.1 Van der Waals constants a and b and critical constants T.. p, and V…
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#4 and #5 questions. Thank you! Initial Particle 60 Temperature 300 K avg. speed 465 m/s Initial pressure 7.1 atm Final Particle 160 Temperature 300 K avg. speed 455 m/s final pressure 18.6 atm
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70 J of work are done on the gas in the process shown in (Figure 1). Figure p (kPa) 300 200 100- Screenshot f i 0 V₁ 2V₁ 3V₁ 1 of 1 V Part A What is V₁ in cm³? Express your answer in cubic centimeters. ► View Available Hint(s) V₁ = Submit VT ΑΣΦ Provide Feedback B] ? cm³
1. Suppose the amount of air in a person's lungs is 2.2 L, Calculate the number of moles of air molecules in the person’s lungs when the pressure there is atmospheric pressure. Note that the air is at 37.0°C (body temperature). 2. An expensive vacuum system can achieve a pressure as low as 1.05 × 10-7 Pa at 20°C, How many atoms are there in a cubic centimeter at this pressure and temperature?