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Please answer the following question with explanation

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Asked by deepakudgiri29 7th December 2018, 10:30 PM
Answered by Expert
Answer:

Le the initial pressure in bulb A = PA = 100

Final pressure falls down by 40% = 40%(PA)

So PB = 0.4PA

Initial volume in A , V= 100 ml

Initial volume in B = VB ml

So according to Boyle’s law;

straight P subscript straight A straight V subscript straight A space equals space straight P subscript straight B straight V subscript straight B

100 cross times straight P subscript straight A equals space 0.4 straight P subscript straight A cross times straight V subscript straight B

straight V subscript straight B space equals space fraction numerator 100 cross times straight P subscript straight A over denominator 0.4 straight P subscript straight A end fraction

straight V subscript straight B space equals space 250 space ml

Before opening stopcock the volume in bulb be must be;

250 - 100 = 150 ml

Answered by Expert 11th December 2018, 11:53 AM
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