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  • Answer please! If 500 ml of a gas 'A' at 1000 torr and 1000 ml of gas 'B' at 800 torr are placed in a 2 L container the final pressure will be -

If 500 ml of a gas 'A' at 1000 torr and 1000 ml of gas 'B' at 800 torr are placed in a 2 L container the final pressure will be -

  • Option 1)

    100 torr

  • Option 2)

    650 torr

  • Option 3)

    1800 torr

  • Option 4)

    2400 torr

 

Answers (1)

best_answer

Given that   PA = 1000 tarr

                   VA= 500 ml

                   PB = 800 tarr

                   VB = 1000 ml 

PTotal = ?

VTotal = 2000ml

P_{A}V_{A}+P_{B}V_{B}= P_{Total}V_{Total}

P_{Total}= \frac{P_{A}V_{A}+P_{B}V_{B}}{V_{Total}}=\frac{1000\times 500+800\times 1000}{2000}=\frac{1300}{2}=650tarr

 

 

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}     

 

 


Option 1)

100 torr

This is incorrect

Option 2)

650 torr

This is correct

Option 3)

1800 torr

This is incorrect

Option 4)

2400 torr

This is incorrect

Posted by

Aadil

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