Asyringe containing 1.75 ml of oxygen gas is cooled from 97.8 ∘c to 0.7 ∘c. what is the final volume vf of oxygen gas? (assume that the pressure is constant.)

Answer : The final volume of oxygen gas will be, 1.292 ml

Explanation :

Charles' Law : It is defined as the volume of gas is directly proportional to the temperature of the gas at constant pressure and number of moles.

or,

where,

= initial volume of oxygen gas = 1.75 ml

= final volume of oxygen gas = ?

= initial temperature of gas =

= final temperature of gas =

Now put all the given values in the above formula, we get the final volume of the oxygen gas.

Therefore, the final volume of oxygen gas will be, 1.292 ml

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