Question

Rank the gases Ar, N2, CH4, and C₂H6 in order of increasing density at STP.​

Answer 1

Ar, N2, CH4, and C2H6 can be ranked in increasing density at STP as follows: CH4, N2, C2H6, and Ar.

Step-by-step explanation:

The density of a gas at STP depends on its molar mass. The higher the molar mass, the higher the density. Let's compare the molar masses of the given gases:

• Ar = 39.95 g/mol
• N2 = 28.02 g/mol
• CH4 = 16.04 g/mol
• C2H6 = 30.07 g/mol

Based on the molar masses, the gases can be ranked in increasing density as follows:

1. CH4
2. N2
3. C2H6
4. Ar