PHYS 1501Q Lecture Notes - Lecture 42: Gas Constant, Ideal Gas Law, Unified Atomic Mass Unit

• School: UConn
• Department: Physics
• Course: PHYS 1501Q
• Professor: Soroush Khosravi Dehaghi, Robert McCutcheon

Document Summary

Physics 1501q - lecture 42 - thermal physics . Atomic mass: the mass of 1 atom in unit u. 1 mole of any substance = avogadro"s number (n a ) = 6. 022 * 10 23 particles. Argon (source: slide 12 of 11/30 lecture slides) Mass of 0. 2 mol of argon = 0. 2 * 40 = 8. Good approximation for many gases in a specific range of temperature and pressure. V = volume (m 3 ) n = moles of gas particles. R = universal gas constant = 8. 314 j/(mol*k) Boyle"s law: if the amount of gas (n) and temperature are fixed, pressure and volume vary inversely. Charles" law: if the amount of gas (n) and pressure are fixed, volume and temperature vary directly. Gay-lussac"s law: if the amount of gas (n) and volume are fixed, pressure and temperature vary directly. Standard temperature and pressure (stp): 0 c, 10 5 pa. Normal temperature and pressure (ntp): 20 c, 10 5 pa.