Question

You must convert a known volume of gas from both a given temperature and a given pressure to STP. Which of the following is the best law to use?

Answer 1

but I'll ask them separately so that you can get 5 medals

Answer 2

@Somy

Answer 3

what is STP? Standard temperature and pressure right?

Answer 4

do you know the values for it?

Answer 5

PV = nRT?

Answer 6

hmm
no
it is a formula for gas law thats right
but im asking about STP values
there are known values of temperature, pressure and volume in STP condition

Answer 7

Values as in numbers for the mesure of the temperature and the pressure?

Answer 8

the starting formula is
thats right
PV=nRT
but we are comaring P, V, and T so lets put them on one side
that makes a new formula
which is for ' comparison ' as this question want
nR=PV/T
we make nR as subject because we assume they are constant
so your final formula will be
\[\frac{ P_1 V_1}{ T1 } = \frac{ P_2V_2 }{ T_2 }\]

Answer 9

nope wait i'll find it for you

Answer 10

http://chemistry.about.com/od/gas2/f/What-Is-Stp-In-Chemistry.htm

Answer 11

sorry my computer freezes at the worst moments

Answer 12

its okay)

Answer 13

ok ok Im here now let me see if I got this so the numbers that you wanted me to find were 273 K (0° Celsius) and the standard pressure is 1 atm pressure. At STP, one mole of gas occupies 22.4 L of volume (molar volume).

Answer 14

is it combined gas law?

Answer 15

@Somy ?

Answer 16

@ichliebedich are you good at chemistry?

Answer 17

sorta

Answer 18

can you please check this?

Answer 19

1. Combined gas law P1V1/T1 = P2V2/T2

Answer 20

ok so I was right thank you ^.^

Answer 21

no problem

Answer 22

owh sorry i was away

Answer 23

yep thats right you got it

Answer 24

lol is alright thank you though it seems like I'm finally getting descent at chemistry ^.^

Answer 25

good to know :)))