Root Mean Square Speed

What is the root mean square speed (in m/s) of hydrogen molecules at 25.0°C?                   ( R= 8.3145 kg m2 s-2 mol -1 k-1)   a) no given answer is close b) 3.72 x 106 c) 6.10 x 101 d) 1.93 x 103 e) 3.72 x 103  

The root-mean-square speed of gas molecules is 256.0 m/s at a given T. The gas has a molar mass of 32.00 g/mol. What would be the root-mean-square speed for a gas with a molar mass of 131.0 g/mol?a. 126.5 m/sb. 62.53 m/sc. 518.0 m/sd. 1048 m/se. 189.8 m/s

What is the root mean square velocity (m/s) of H2O steam at 373 K?A) 2.26B) 22.7C) 71.4D) 372E) 719 

What is the root mean square speed of carbon dioxide molecules at 98°C? 1. 45.6 m · s -12. 574 m · s -13. 236 m · s -14. 459 m · s -15. 153 m · s -1

Helium is the lightest noble gas in the air. Calculate its root-mean-square speed (in m/s) in the winter when it is 0oC outside. (R = 8.3145 kg m 2 s -2 mol -1 K -1)a. 1845b. 1305c. 1.71 x 103d. 1.70 x 106e. 41.3

Identify the gas particle that would travel the fastest at a temperature of 293 K.A. SO2B. CO2C. N2D. NeE. Ar

The root mean square speed of nitrogen molecules in air at 20°C is 511 m/s in a certain container. If the gas is allowed to expand to twice its original volume, the root mean square velocity of nitrogen molecules drops to 325 m/s. Calculate the temperature after the gas has expanded.1. 45.1°C2. −45.1°C3. 261°C4. 347◦C5. −347°C6. −261°C7. 154°C8. −154°C

Which gas will have the highest root mean square velocity at the same temperature?NH­­3     b) He     c) CO2      d) SO2      e) NO2

Calculate the root mean square velocity of nitrogen molecules at 25.0 °C. (1 kg = 1000 g)A) 729 m/s           B) 515 m/s     C) 149 m/s     D) 16.29 m/s     E) 51.2 m/s

A 0.81 mole sample of CO2 is confined in a 20 L container. The volume of the gas sample is decreased to 10L while holding temperature constant. The average molecular speed will.a. increaseb. decreasec. remain the samed. insufficient information to answer

Calculate the root mean square velocity of nitrogen molecules at 25 °C.

Calculate the root-mean-square speed of methane, CH4 (g), at 78 °C. (a) 23 m/s (b) 350 m/s(c) 550 m/s (d) 667 m/s (e) 739 m/s

Which of the following gases will have the largest root mean square speed at 100 °C?1. water2. argon3. oxygen4. methane 5. nitrogen