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teggenspiller

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**10 moles of an ideal gas has a gauge pressure of 2 atm what is new T?? no clue**

**1. Homework Statement [/b**

10 moles of an ideal gas has a gauge pressure of 2 atm and a temperature of 200 K. If the volume of the gas is doubled and the pressure dropped to 1 atm., what is the new temperature?

i have no clue how to do this.

i know that PV=nRT= constant. but when i try to sub things out or solve for V first, i get so lost.

ive been working on this for hours.

So can someone just please show me how to do this? step by step?

10 moles of an ideal gas has a gauge pressure of 2 atm and a temperature of 200 K. If the volume of the gas is doubled and the pressure dropped to 1 atm., what is the new temperature?

## Homework Equations

i have no clue how to do this.

i know that PV=nRT= constant. but when i try to sub things out or solve for V first, i get so lost.

ive been working on this for hours.

So can someone just please show me how to do this? step by step?