Calculate the root mean square velocity of f2,cl2, and br2 at 294 k .

Using the formula vrms = (the square root of)3RT/M, R = 8.3143 J/mol K Temperature = 302 K Molar mass F2 = 0.0380 kg / mol Molar mass Cl2 = 0.0709 kg / mol Molar mass Br2 = 0.15981 kg / mol vrms F2 = [(3)(294 K)(8.3143 J/mol K) / (0.0380 kg/mol)]^1/2 =445.23 m/s vrms Cl2 =[(3)(294 K)(8.3143 J/mol K) / (0.0709 kg/mol)]^1/2 =325.95 m/s vrms Br2 =[(3)(294K)(8.3143 J/mol K) / (0.15981 kg/mol)]^1/2 =217.10 m/s

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