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  • Need explanation for: The initial volume of a gas cylinder is 750.0 mL. If the pressure of gas inside the cylinder changes from 840.0 mm Hg to 360.0 mm Hg, the final volume the gas will be :

The initial volume of a gas cylinder is 750.0 mL. If the pressure of gas inside the cylinder changes from 840.0 mm Hg to 360.0 mm Hg, the final volume the gas will be :

  • Option 1)

     1.750 L

  • Option 2)

      3.60 L

  • Option 3)

      4.032 L

  • Option 4)

     7.50 L

 

Answers (2)

best_answer

As we have learned

Boyle’s Law -

At constant Temp and moles, pressure is inversely proportional to volume of gas.

- wherein

P_{1}V_{1}= P_{2}V_{2}     

 

 \frac{v_1}{v_2}= \frac{p_2}{p_1}

\frac{750}{v}= \frac{360}{840}

\Rightarrow v = 1750 ml = 1.750 L

 

 

 

 


Option 1)

 1.750 L

Option 2)

  3.60 L

Option 3)

  4.032 L

Option 4)

 7.50 L

Posted by

SudhirSol

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