561 dm3 of a gas at STP is filled in a 748dm3 container. If temperature is constant, calculate the percentage change in preassure required
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PiVi = PiiVii [Temp constant]
So 760*561 = 748*Pii
=> Pii = 760*561/748
=> Pii = 570
So, Initial pressure was 760mm
Changed pressure is 570mm
Therefore % change = change/initial * 100
=> 190/760 * 100 = 25%
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So 760*561 = 748*Pii
=> Pii = 760*561/748
=> Pii = 570
So, Initial pressure was 760mm
Changed pressure is 570mm
Therefore % change = change/initial * 100
=> 190/760 * 100 = 25%
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