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Chemistry 8 Online
OpenStudy (anonymous):

If I have 1.9 moles of gas held at a pressure of 4.95 atm and in a container with a volume of 5000.0 mL, what is the temperature of the gas?

OpenStudy (anonymous):

@primeralph which formula should I use here?

OpenStudy (primeralph):

Same formula.

OpenStudy (anonymous):

pv=nrt

OpenStudy (primeralph):

Yes.

OpenStudy (anonymous):

t=pv/rn

OpenStudy (primeralph):

Yes.

OpenStudy (anonymous):

can u check my answer again?

OpenStudy (anonymous):

I got 158.74 degrees C

OpenStudy (primeralph):

Hold on.

OpenStudy (anonymous):

rounding significant digits with the problem, and my final answer is t=158C

OpenStudy (anonymous):

ok

OpenStudy (primeralph):

How many sig figs?

OpenStudy (anonymous):

idk I am suppose to figure that out by counting them in the problem

OpenStudy (anonymous):

I assumed 3

OpenStudy (primeralph):

1.9 is 2 sf.

OpenStudy (anonymous):

oh shoot, so t=160C @primeralph

OpenStudy (primeralph):

Yeah, I guess.

OpenStudy (anonymous):

uh oh that didn't sound to sure

OpenStudy (anonymous):

@primeralph did i miss something?

OpenStudy (primeralph):

It's fine.

OpenStudy (anonymous):

ok ty!!!!!!!!!ur awesome!!!!!!!!!!!!!!!!

OpenStudy (primeralph):

You're a smart person. Have more confidence in yourself.

OpenStudy (anonymous):

aw thanks :)

OpenStudy (anonymous):

ur the best!

OpenStudy (primeralph):

You're welcome.

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