Tuesday
December 10, 2013

# Posts by MINDY

Total # Posts: 133

Chemistry
a cylinder of helium has a volume of 8.0 L. The pressure of the gas is 388 lb in -2 at 25*C. What volume will the helium occupy at a standard atmospheric pressure (14.7 lb in -2) assuming there is no temperature change?

Chemistry
k thanks so much for your help!

Chemistry
so is it 2.9 E26??

Chemistry
a diver exhales a bubble with a volume of 250mL at a pressure of 2.4atm and a temp. of 15*C. How many gas particles are in this bubble?

Geometry
Yay!!!! Thank you very much ms Sue! I appreciate the help:)

Geometry
Find the area of the trapezoid. L1 = 23ft, L2 = 15ft, H = 12ft Is 228 ft the correct answer?

Geometry
Find the missing side. Approximate the answer to three decimal places when appropriate. A = 15 yd C = 25 yd I have no clue on how to do this one. Please any help would be appreciated.

Geometry
Find the area of the trapezoid. L1 = 23ft, L2 = 15ft, H = 12ft Is 456ft the correct answer?

Geometry
Find the area of the parallelogram. L1= 19m, L2 = 25m Can you explains this? Do I multiply? Is the answer 475m?

Geometry
Yay! Thanks so much!

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