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ICSE Class 9 Answered

a balloon speed with hydrogen at room temperature it will burnt if pressure exceed 0.2bar if at 1bar pressure the gas occupies 2.17 volume upto.what wil the volume of balloon be expanded?
Asked by indudhiman05 | 27 Aug, 2018, 09:19: PM
answered-by-expert Expert Answer
Given:
 
P1 = 1 bar
 
    = 0.986 atm
 
V1 = 2.17 litre
 
P2 = 0.2 bar
 
    = 0.1973
 
V2 = ?
 
According to Boyle's law;
 
 
straight P subscript 1 straight V subscript 1 space equals straight P subscript 2 straight V subscript 2 0.986 cross times 2.17 space equals space 0.197 cross times straight V subscript 2 straight V subscript 2 space equals 10.86 space litre
 
Volume of gas will be 10.86 litres.
 
Answered by Varsha | 28 Aug, 2018, 12:28: PM

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