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Calculate the rms speed of Br2 molecules at 23 °C and 1.00 atm. What is the rms speed of Br2 at 23 °C and 1.50 atm?

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change temp to Kelvins.

the equation is simple: Vrms= sqrt (3RT/massBr2) get R in the units of Kelvin, mass of bromine in kg, and temp in kelvins)

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