1. The problem statement, all variables and given/known data 2. Relevant equations 1) PV = nRT 2 )## P = ⅓ ρ<c^2> ## 3) KE ∝ T 3. The attempt at a solution According to the second equation above, density is inversely proportional to root mean square speed at constant pressure, but the answer states that the root mean square speed depends only on the temperature so the answer is no effect. I don't see how when the second equation suggests otherwise. Can someone help me out?