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An ideal gas originally at 0.85 atm and 62°C was allowed to expand until its final volume, pressure, andtemperature were 94 mL, 0.60 atm, and 41°C, respectively. What was its initial volume?

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An ideal gas originally at 0.85 atm and 62°C was allowed to expand until its final volume, pressure, and
temperature were 94 mL, 0.60 atm, and 41°C, respectively. What was its initial volume?
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An ideal gas originally at 0.85 atm and 62°C was allowed to expand until its final volume, pressure, and temperature were 94 mL, 0.60 atm, and 41°C, respectively. What was its initial volume?

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Step 1

Given,

Initial pressure, P1 = 0.85 atm

Initial pressure, T1 = 62 oC = (62 + 273.15) K = 335.15 K

Initial pressure, V1 = ?

Final pressure, P2 = 0.60 atm

Final pressure, T2 = 41 oC = (41 + 273.15) K = 314.15 K

Final pressure, V2 = 94 mL = 0.094 L

Step 2

The initial volume of the ideal ...

P1 V1
P2 V2
T1
Тz
T1
P2 V2
Тz
Р1
0.60 atm x 0.094 L
335.15 K
314.15 K
0.85 atm
Vi 0.07078 L
VI 70.78 mL
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P1 V1 P2 V2 T1 Тz T1 P2 V2 Тz Р1 0.60 atm x 0.094 L 335.15 K 314.15 K 0.85 atm Vi 0.07078 L VI 70.78 mL

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