7. Gases

Root Mean Square Speed

7. Gases

Root Mean Square Speed

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Root Mean Square Speed

Root Mean Square Speed Example 1

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⚗️ Root Mean Square Velocity (Question 1)

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⚗️ Root Mean Square Velocity (Question 1)

CHEMISTRY 101 - Root mean square velocity of gas molecules

Root Mean Square Speed & the Assumptions of Kinetic Theory | A-level Physics | AQA, OCR, Edexcel

Root Mean Square Speed RMS vs Average Speed

The Organic Chemistry Tutor

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Root Mean Square Speed

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A Level Physics: What is the root mean square speed?

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A Level Physics: What is the root mean square speed?

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Multiple Choice

Determine which gas would have a root mean square speed of 515.59 m/s at 405 K.

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Multiple Choice

The 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?

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Multiple Choice

Calculate the root mean square velocity of nitrogen molecules at 20.0℃.

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Textbook Question

The 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/s

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Textbook Question

Radon (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?

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Textbook Question

The 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.

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Textbook Question

(b) Calculate the rms speed of CO molecules at 25 °C.

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Textbook Question

Calculate the root mean square velocity of F2, Cl2, and Br2 at 298 K.

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Textbook Question

The 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?

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Textbook Question

Calculate 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.

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Textbook Question

At what temperature (°C) will xenon atoms have the same average speed that Br2 molecules have at 20° C?

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Textbook Question

At what temperature does the average speed of an oxygen molecule equal that of an airplane moving at 580 mph?

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Textbook Question

Which has a higher average speed, H2 at 150 K or He at 375 °C?

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Textbook Question

Which has a higher average speed, a Ferrari at 145 mph or a gaseous UF6 molecule at 145 °C?

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Textbook Question

A big-league fastball travels at about 45 m/s. At what temperature (°C) do helium atoms have this same average speed?

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Textbook Question

You 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?

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7. Gases

Root Mean Square Speed

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