re: Is there proof that CO2 causes warming?

quote:

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But I acquired the density of 67 from wiki first.

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It's a gas. The density is going to be a function of the temperature and the pressure.

PV = nRT

mass = moles * molar mass (mol * mass/mol)

n = mass/M

PV = massRT/M

PM/RT = density

So when you set the density and the pressure, you defined the temperature.

So then when you plug it into the IGL to solve for temperature, you get the temperature defined by setting the pressure and density.