Which gas effuses faster?

Exercise and reference answers

Questions

1. A

   Helium, 4.0 g/mol

   B

   Argon, 39.95 g/mol

   Higher value

   Helium, 4.0 g/mol

2. A

   Oxygen, 32 g/mol

   B

   Hydrogen, 2 g/mol

   Higher value

   Hydrogen, 2 g/mol

3. A

   Neon, 20.2 g/mol

   B

   Xenon, 131.3 g/mol

   Higher value

   Neon, 20.2 g/mol

4. A

   Nitrogen, 28 g/mol

   B

   Sulfur dioxide, 64

   Higher value

   Nitrogen, 28 g/mol

5. A

   Carbon dioxide, 44

   B

   Methane, 16 g/mol

   Higher value

   Methane, 16 g/mol

Instructions

Tap the gas in each pair that escapes through a pinhole faster.

Explanation