The volume at s.t.p. occupied by a gas 'Z' originally occupying 1.57 dm^3 at 310.5 K and 75 cm. press. of Hg.
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Answered by
15
Given: Pressure, P1 = 75 cm Hg = 750 mm Hg = 1 bar
Volume, V1 = 1.57 dm3 , Temperature, T1 = 310.5 K
At S.T.P. : Pressure, P2 = 1 bar ; Temperature, T2 = 273.15 K ; Volume, V2 = ?
P1V1T1=P2V2T21 bar×1.57 dm3310.5 K=1 bar×V2273.15 KV2=1 bar×1.57 dm3×273.15 K310.5 K ×1 bar=1.38 dm3
Hence, the volume at S.T.P. = 1.38 dm3
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Answered by
5
Answer:
initial conditions
V1 is equal to 1.57dm3
P1=75cm
T1=310.5 K
final conditions
V2=?
P2=76 cm
T2 =273 K
using the gas equation P1V1/T1= P2V2/T2
therefore V2=P1 V1 T2 /T1 P2
= 75×1.57× 273/ 310.5 × 76
= 1.36dm3
Explanation:
user for calculating gas equation
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