Asked by jessica
You have a sample of gas at -30 C. You wish to increase the rms speed by 12%. To what temperature should the gas be heated?
Answers
Answered by
bobpursley
rms means the square root of the mean squared.
So increasing rms by 1.12 means increasing energy by 1.12 squared, or 1.25
But temp is a measure of avg KE, or avg v^2, so temp should increase by 1.25
The original temp was 273-30K, or 243, so the new tempwill be 305K.
So increasing rms by 1.12 means increasing energy by 1.12 squared, or 1.25
But temp is a measure of avg KE, or avg v^2, so temp should increase by 1.25
The original temp was 273-30K, or 243, so the new tempwill be 305K.
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