Statements on ideal gases

[Janiceleong26]

Homework Statement

Homework Equations

The Attempt at a Solution

I chose 1&2, but all three are correct. I thought for a constant pressure, if temperature is doubled, then the volume would doubled too? As P=V/T ?

 

[Borek]

3 is not a correct statement. Change from 25°C to 50°C is not doubling the temperature. Change from 100 K to 200 K is.

 

[Janiceleong26]

3 is not a correct statement. Change from 25°C to 50°C is not doubling the temperature. Change from 100 K to 200 K is.

Sorry I typed wrongly, I chose 1,2&3, but ans. is 1&2.
oh.. Right, they must be in Kelvins. Thanks again