Posted by **Lizy** on Friday, May 2, 2008 at 1:52pm.

I also thought this question on combining gas laws P1V1/T1=P2V2/T2 was also a bit tricky for me.

P1V1/T1=P2V2/T2

P1 is 760 torr with a blank box underneath it.

V1 is 2.4 L.

T1 is 37 °C with a blank box underneath it.

P2 is a ?.

V2 is 4.8 L.

T2 is 300 K.

How do I combine these gas laws.

- Need help also with this chem ? -
**DrBob222**, Friday, May 2, 2008 at 2:45pm
This is the same kind of problem that I helped you with. Now that you see how to do that, try this one on your own. If you still have trouble. repost and explain what you don't understand.

- Need help also with this chem ? -
**Lizy**, Friday, May 2, 2008 at 3:51pm
I don't understand what goes inside the blank box of P2 and the blank box of P1.

- Need Chem help -
**Lizy**, Friday, May 2, 2008 at 4:01pm
I also thought this question on combining gas laws P1V1/T1=P2V2/T2 was also a bit tricky for me.

P1V1/T1=P2V2/T2

P1 is 760 torr with a blank box underneath it.

V1 is 2.4 L.

T1 is 37 °C with a blank box underneath it.

P2 is a ?.

V2 is 4.8 L.

T2 is 300 K.

How do I combine these gas laws.

I just don't no what to provided for P1 and P2 if they're both are a ? that needs an answer to it.

- Need help also with this chem ? -
**DrBob222**, Friday, May 2, 2008 at 7:54pm
P1V1/T1=P2V2/T2

P1 is 760 torr with a blank box underneath it.

**You don't say what units go with the blank box. I suspect it is atmospheres. If so, there are 760 torr in 1 atm so 760/760 = 1 atm.**

V1 is 2.4 L.

T1 is 37 °C with a blank box underneath it.

**Again, what units? Probably Kelvin. Convert C to Kelvin by Kelvin = 273 + C.<b/>
**

P2 is a ?.

**I assume this is the unknown for which you are to solve.**

V2 is 4.8 L.

T2 is 300 K.

**This is already in Kelvin and need not be changed.**

How do I combine these gas laws.

**You don't. The name of P1V1/T1 = P2V2/T2 is "the combined gas law."
**

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