Physics

The assertion claims $\alpha$ is density, but you need to check what the kinetic theory equation actually says. The key insight is to work backwards from the $v_{\text{rms}}$ formula—substitute it into the pressure equation and see what $\alpha$ must be to make the result match the ideal gas law. This reveals whether $\alpha$ is truly density or something else, and whether the reason correctly supports the claim.

The assertion claims $\alpha$ is density, but you need to check what the kinetic theory equation actually says. The key insight is to work backwards from the $v_{\text{rms}}$ formula—substitute it into the pressure equation and see what $\alpha$ must be to make the result match the ideal gas law. This reveals whether $\alpha$ is truly density or something else, and whether the reason correctly supports the claim.