Answer to Question #280378 in General Chemistry for san lio

Question

1. Calculate the ratio of the rate o effusion of methane gas, CH4 (g) to He (g) at constant temperature and pressure. The molar masses or CH4 (g) and He (g) are 16.0 g/mol and 4.0g/mol, respectively. 
2. Calculate the ratio of the rate of effusion of hydrogen to the rate of effusion of oxygen.
3. At a particular pressure and temperature, nitrogen gas effuses at the rate of 79 mL/s. Using the same apparatus at the same temperature and pressure, at what rate will sulfur dioxide effuse? 
4. Which of the following gases diffuse more slowly than oxygen? F2, Ne, N2O, C2H2, NO, Cl2, H2S

Answer 1

1. 4:1