Asked by phyllis
given 1000 mL of helium at 15degrees C and 763mmHg, determine its volume at -6degrees C and 420 mmHg.
my friend said she got 1.68 x 10^3 mL
help, I have no idea how she got it
my friend said she got 1.68 x 10^3 mL
help, I have no idea how she got it
Answers
Answered by
drwls
She used the ideal gas law, PV = nRT
You can use it in the form PV/T = constant or
V2/V1 = T2/T1 * P1/P2
The temeratures must be absolute (Kelvin)
V2/1000 = 266/288 * 763/420 = 1678 mL
Round it off to 1680
You can use it in the form PV/T = constant or
V2/V1 = T2/T1 * P1/P2
The temeratures must be absolute (Kelvin)
V2/1000 = 266/288 * 763/420 = 1678 mL
Round it off to 1680
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.