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The coldest temperature ever recorded in the US was -62.1°C (-79.8°F). What was the speed of the nitrogen molecules in the air that day?
The coldest temperature ever recorded in the US was -62.1°C (-79.8°F). What was the speed of the nitrogen molecules in the air that day?
Unit=m/s
R = 8.31 J/(moK)
MM of N2 = 0.0280 kg/mole =
Remember: Temperature must be in K, not
1 Answer
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- hcbiochemLv 75 days ago
vrms = square root (3RT/M)
vrms = square root [3(8.31)(273.15-62.1) / 0.0280] = 433 m/s
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