Nitrogen Gas Has a Henry's Law Constant K = 6

Nitrogen gas has a Henry's law constant k = 6.3 × 10^-4 M/atm at 25°C. The "bends" in divers results from bubbles of N₂(g) being rapidly released from body fluids when a diver ascends to the surface too quickly. Which of the following would be a good substitute for N₂(g) in order to make the "bends" less severe?

A) He(g) , k = 3.7 × 10^-4 M/atm
B) Ar(g) , k = 1.5 × 10^-3 M/atm
C) H₂(g) , k = 8.1 × 10^-4 M/atm
D) CO₂(g) , k = 3.4 × 10^-2 M/atm

Correct Answer:

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