Question

Calculate root mean square and average velocity of CO₂ at 1000°c.

Answer 1

T = 1000 + 273 = 1273 K

C_rms = \(\sqrt{\frac{3RT}{M}}\) = \(\sqrt{\frac{3\times8.314\times1273}{0.044}}\)

= 849.5 ms^-1

C_av = \(\sqrt{\frac{8RT}{\pi M}}\) = \(\sqrt{\frac{8\times8.314\times1273}{3.14\times0.044}}\)

= 782.84 ms^-1