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28 January, 19:20

The temperature in the stratosphere is - 24°c. calculate the root-mean-square speeds of n2, o2, and o3 molecules in this region.

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  1. 28 January, 22:21
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    Use Root mean square speed formula: vrms = Sqrt (3RT/M) T - temperature in K = 273K - 21CÎż = 252K R - molar gas constant = 8.31J/Kmol M - molar mass of a molecule MN2 = 14x2 = 28 g/mol MO2 = 16 x 2 = 32 g/mol MO3 = 16 x 3 = 48 g/mol Having all info now, you can calculate root mean square speed, vrms, for every molecule by using the aboveequasion and only changing M value.
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