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## Main Question or Discussion Point

Could someone explain the connection between density, pressure, and temperature in relation to the ideal gas law to me?

(For example what happend if the Temperature/pressure is kept konstant but the density changes with temeprature.)

As I see it there are two ways to get the density into the equation: once by taking the mass from PV=mRT and inserting V*density or by taking the Volume and inserting m/density. In both cases V dissapears. Does that mean the Volume has to change with density?

Any hint on how to best think about it is appreciated. Thank you^^.

(For example what happend if the Temperature/pressure is kept konstant but the density changes with temeprature.)

As I see it there are two ways to get the density into the equation: once by taking the mass from PV=mRT and inserting V*density or by taking the Volume and inserting m/density. In both cases V dissapears. Does that mean the Volume has to change with density?

Any hint on how to best think about it is appreciated. Thank you^^.