Question 251: Thermodynamics & KTG

Question

At which temperature the r.m.s. velocity of a hydrogen molecule equal to that of an oxygen molecule at $$47^{\circ} \mathrm{C}$$ ?

Accepted Answer

$$\begin{aligned}
& \sqrt{\frac{3 R T}{2}}=\sqrt{\frac{3 R(320)}{32}} \
& T=\frac{320}{16}=20 \mathrm{~K}
\end{aligned}$$

Answer

20 K

Answer

80 K

Answer

4 K

Answer

$$-73$$ K

Thermodynamics & KTG