Chemistry

Problem

The temperature, at which the root mean square velocity of hydrogen molecules equals their escape velocity from the earth, is closest to : [Boltzmann Constant

k_B = 1.38 \times 10^{-23} \text{ J/K}

Avogadro Number

N_A = 6.02 \times 10^{26} / \text{kg}

Radius of Earth :

6.4 \times 10^6 \text{ m}

Gravitational acceleration on Earth =

10 \text{ ms}^{-2}

] a. 800 K b.

3 \times 10^5

K c.

10^4

K d. 650 K

Browse the problem library