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If the RMS speed of a gas is 400 m/s, what is the speed of the molecules in term
If the RMS speed of a gas is 400 m/s, what is the speed of the molecules in terms of average speed?
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Practice Questions
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Q1
If the RMS speed of a gas is 400 m/s, what is the speed of the molecules in terms of average speed?
400 m/s
300 m/s
500 m/s
600 m/s
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The average speed of gas molecules is approximately 0.8 times the RMS speed, so average speed = 0.8 * 400 m/s = 320 m/s.
Questions & Step-by-step Solutions
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Q
Q: If the RMS speed of a gas is 400 m/s, what is the speed of the molecules in terms of average speed?
Solution:
The average speed of gas molecules is approximately 0.8 times the RMS speed, so average speed = 0.8 * 400 m/s = 320 m/s.
Steps: 6
Show Steps
Step 1: Understand that RMS speed (Root Mean Square speed) is a measure of the speed of gas molecules.
Step 2: Know that the average speed of gas molecules is related to the RMS speed.
Step 3: Remember that the average speed is approximately 0.8 times the RMS speed.
Step 4: Use the given RMS speed of 400 m/s to calculate the average speed.
Step 5: Multiply the RMS speed by 0.8: average speed = 0.8 * 400 m/s.
Step 6: Calculate the result: average speed = 320 m/s.
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