Search.ellum.ecollege.com/course.html?courseld3D154322748HepID=2b3e48e6520860bfd5591538a4a5a27b#10001TripAdvisorSh... View Available Hint(s)UnitsValueVz =SubmitP PcarsonEt UsNot for this siteYesMore infoWould you like to store your password for pearsoned.com?6:58 AM12/4/2019aInsprt scdeletefiof9144144backsp%238.7.6.T.R.L.H.paus%3D%24 ID 263e48e65220860bfd559153Badaba27b#10001Search...s in Energy, and Gases View Available Hint(s)ValueUnitsP2 =SubmitP PcarsonEt UsNot for this siteYesoned.com?More info6:59 AM12/4/2019Copinsdeleteprt scfg17fa1640~ b०cks8.7.6.P.

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<MC 13 on Temperature, Changes in Energy, and Gases
18 of 40
Item 18
Review | Constants | Periodic Table
All pressure-volume temperature relationships for
gases can be combined into a single relationship
known as the combined gas law. This expression
can be used when looking at the effect of changes
in two of these variables on the third as long as the
amount of gas (number of moles) remains constant
To use the combined gas law properly, you must
always express the temperatures in kelvins. The
combined gas law can be represented as follows:
Part A
A very flexible helium-filled balloon is released from the ground into the air at 20. °C. The initial volume of the balloon is
5.00 L, and the pressure is 760. mmHg The balloon ascends to an altitude of 20 km, where the pressure is 76.0
MmHg and the temperature is -50. °C. What is the new volume, V2, of the balloon in liters, assuming it doesn't break
or leak?
Express your answer with the appropriate units.
PV2
PV1
%3D
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Search. ellum.ecollege.com/course.html?courseld3D154322748HepID=2b3e48e6520860bfd5591538a4a5a27b#10001 TripAdvisor Sh... <MC 13 on Temperature, Changes in Energy, and Gases 18 of 40 Item 18 Review | Constants | Periodic Table All pressure-volume temperature relationships for gases can be combined into a single relationship known as the combined gas law. This expression can be used when looking at the effect of changes in two of these variables on the third as long as the amount of gas (number of moles) remains constant To use the combined gas law properly, you must always express the temperatures in kelvins. The combined gas law can be represented as follows: Part A A very flexible helium-filled balloon is released from the ground into the air at 20. °C. The initial volume of the balloon is 5.00 L, and the pressure is 760. mmHg The balloon ascends to an altitude of 20 km, where the pressure is 76.0 MmHg and the temperature is -50. °C. What is the new volume, V2, of the balloon in liters, assuming it doesn't break or leak? Express your answer with the appropriate units. PV2 PV1 %3D > View Available Hint(s) Units Value Vz = Submit P Pcarson Et Us Not for this site Yes More info Would you like to store your password for pearsoned.com? 6:58 AM 12/4/2019 a Ins prt sc delete fio f9 144 144 backsp %23 8. 7. 6. T. R. L. H. paus %3D %24

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ID 263e48e65220860bfd559153Badaba27b#10001
Search...
s in Energy, and Gases
<.
18 of 40
Review | Constants | Periodic Table
elationships for
e relationship
is expression
ect of changes
Part B
as long as the
emains constant.
rly, you must
kelvins. The
Consider 5.00 L of a gas at 365 mmHg and 20. °C. If the container is compressed to 3.00 L and the temperature is
increased to 32 °C, what is the new pressure, P inside the container? Assume no change in the amount of gas
inside the cylinder.
ed as follows:
Express your answer with the appropriate units.
> View Available Hint(s)
Value
Units
P2 =
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Et Us
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oned.com?
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6:59 AM
12/4/2019
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ins
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prt sc
fg
17
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16
40
~ b०cks
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ID 263e48e65220860bfd559153Badaba27b#10001 Search... s in Energy, and Gases <. 18 of 40 Review | Constants | Periodic Table elationships for e relationship is expression ect of changes Part B as long as the emains constant. rly, you must kelvins. The Consider 5.00 L of a gas at 365 mmHg and 20. °C. If the container is compressed to 3.00 L and the temperature is increased to 32 °C, what is the new pressure, P inside the container? Assume no change in the amount of gas inside the cylinder. ed as follows: Express your answer with the appropriate units. > View Available Hint(s) Value Units P2 = Submit P Pcarson Et Us Not for this site Yes oned.com? More info 6:59 AM 12/4/2019 Cop ins delete prt sc fg 17 fa 16 40 ~ b०cks 8. 7. 6. P.

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Expert Answer

Step 1

The expression used to calculate the new volume of the balloon V2  is labeled in equation (2).

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PV P,V т, PVT РТ, (1) (2)

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Step 2

The relation between degree Celsius (C)and Kelvin (K) is expressed below.

T(K) = 273 + T(C)  

Use the above relation and Convert 20 degrees Celsius and 32 degrees Celsius into Kelvin.

T (K) = 273 + 20C

      T(K) = 293 K

And

T (K) = 273 + (-50C)

      T(K) = 223 K

Step 3

Substitute 760 mmHg for P1, 5.0 L for V1, 293 K for T1, 76 mmHg for P2 and 223 K for T2 in equa...

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760 mmHg 5.0 L x 223 K 76 mmHg x 293 K 847400 L V2 22268 V 38.1 L

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