Question

Please tell the solution class 11 chemistry ​

Answer 1

Answer:

You convert your Pressure

and use formula

p1/v1=p2/v2

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Answer 2

Answer:

248 mm Hg

Explanation:

Given P1=745 mm Hg

V1= 2000ml

V2=1500ml

Therefore by Boyle's law, as temperature is constant

P2= P1V1/V2 = 745 × 2000/1500

= 993.3mm Hg

Additional pressure required = 993.34 - 745

=248.34 mm Hg

= 248 mm Hg(Ans)