A community for students. Sign up today

Here's the question you clicked on:

anonymous one year ago A student collected the following data for a fixed volume of gas: Temperature (⁰C) Pressure (mm of Hg) 10 726 20 750 40 800 70 880 100 960 150 ??? Fill in the missing data point. Show all calculations leading to an answer.

• This Question is Closed
1. Rushwr

we know for a fixed volume the no. of moles is also fixed. SO in PV=nRT equation V , n and R is constant ( R is universal gas constant so it is anyways constant ) So we can say that $P \alpha T$ Pressure is directly proportional to the temperature. $\frac{ P _{1} }{ T _{1} }= \frac{ P _{2} }{ T _{2} }$

2. anonymous

okay can please explain more

3. Rushwr

So use one set of known of data and the unkonwn set like this ! P1/T1=P2/T2 So let's say that the unknown pressure is P1 then P1= P2 x T1 /T2

4. Rushwr

If we use the 1st set of data given ! P1= ? T1= 150 C P2 = 726 T2 = 10

5. Rushwr

Did u get it ?

6. anonymous

yes thanks

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy