4. 40 litres of nitrogen at 400 K was cooled by 50° without change in pressure. The percentage contraction in volume will be (1) 35 (2) 5 (3) 12.5 (4) 25
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Answered by
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Answer:
use ideal gas equation
PV = nRT
\frac{v1}{v2} = \frac{t1}{t2}v2v1=t2t1
\frac{40}{v2} = \frac{400}{323}v240=323400
v2 = 32.3v2=32.3
\% = \frac{40 - 32.3}{100}%=10040−32.3
\% = 0.077%=0.077
Answered by
0
Answer:
use ideal gas equation
PV = nRT
\frac{v1}{v2} = \frac{t1}{t2}v2v1=t2t1
\frac{40}{v2} = \frac{400}{323}v240=323400
v2 = 32.3v2=32.3
\% = \frac{40 - 32.3}{100}%=10040−32.3
\% = 0.077%=0.077
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