
Ralph K. answered 02/18/15
Tutor
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Effective Mathematics, Physics and Chemistry Tutor
Hi Jill,
We need to use the ideal gas law.
P * V = n * R * T.
This is a typical problem where the amount of gas (n) and the Temperature (T) are held constant.
So.....
P * V (initial) = P * V (final) or
We need to use the ideal gas law.
P * V = n * R * T.
This is a typical problem where the amount of gas (n) and the Temperature (T) are held constant.
So.....
P * V (initial) = P * V (final) or
P (Initial) = 2.5 atm
V (Iniital) = 150 cm^3
P (Final) = 1.0 atm
2.5 * 150 = 1.0 * V (Final)
Thus V (Final) = 2.5 * 150 / 1.0 = 375 cm^3
Depending on how your professor views significant figures, he(she) may want the answer to be 380 cm^3
If you have any questions, send me a comment.
Sincerely,
Ralph K.
If you have any questions, send me a comment.
Sincerely,
Ralph K.