03:18Root Mean Square Speed & the Assumptions of Kinetic Theory | A-level Physics | AQA, OCR, EdexcelSnapRevise436views
Multiple ChoiceDetermine which gas would have a root mean square speed of 515.59 m/s at 405 K.480views1rank
Multiple ChoiceThe root mean square speed of gas molecules is 283.0 m/s at a given temperature T when the recorded molar mass is 42.0 g/mol. What would be the root mean square speed for a gas with a molar mass of 152.0 g/mol?1065views1rank2comments
Textbook QuestionThe coldest temperature recorded at ground level on Earth was -89.2 °C at the Vostok Station in Antarctica. What is the speed of a nitrogen molecule at this temperature? (LO 10.9) (a) 933 m/s (b) 40.2 m/s (c) 404 m/s (d) 12.8 m/s665views
Textbook QuestionRadon (Rn) is the heaviest (and only radioactive) member of the noble gases. How much slower is the root-mean-square speed of Rn than He at 300 K?1585views
Textbook QuestionThe temperature of a 5.00-L container of N2 gas is increased from 20 °C to 250 °C. If the volume is held constant, predict qualitatively how this change affects the following: (b) the rootmean-square speed of the molecules.712views
Textbook QuestionThe average temperature at an altitude of 20 km is 220 K. What is the average speed in m/s of an N2 molecule at this altitude?842views
Textbook QuestionCalculate the average speed of a nitrogen molecule in m/s on a hot day in summer 1T = 37 °C2 and on a cold day in winter 1T = -25 °C2.857views
Textbook QuestionAt what temperature (°C) will xenon atoms have the same average speed that Br2 molecules have at 20° C?883views1comments
Textbook QuestionAt what temperature does the average speed of an oxygen molecule equal that of an airplane moving at 580 mph?596views
Textbook QuestionWhich has a higher average speed, a Ferrari at 145 mph or a gaseous UF6 molecule at 145 °C?341views
Textbook QuestionA big-league fastball travels at about 45 m/s. At what temperature (°C) do helium atoms have this same average speed?462views
Textbook QuestionYou have a sample of gas at 0 C. You wish to increase the rms speed by a factor of 3. To what temperature should the gas be heated?780views