please give answer fast!! At constant temperature the pressure of a gas is inversely proportional to its volume. If certaint amount of gas occupies a volume of 30cc and exerts a pressure of 85g/cm square, then find the decrease in its pressure when the same amount of gas occupies a volume of 75 cc
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P is inversely proportional to volume
it means
p1/p2 = v2/v1
Therefore ATQ
85/p2 = 75/30
p2=17
decrease in pressure = p1-p2
= 85-17 = 68
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