At what temperature would the volume of a gas be 0.550 l if it had a volume of 0.432 l at –20.0 o c?

321.6 K

Explanation: Charles' Law: This law states that volume is directly proportional to the temperature of the gas at constant pressure and number of moles.

   (At constant pressure and number of moles)

where,

= initial volume of gas = 0.432 L

= final volume of gas = 0.550 L

= initial temperature of gas =

= final temperature of gas = ?

Now put all the given values in the above equation, we get the final pressure of gas.

Therefore, the final temperature will be 321.6 K.

the correct answer would be d. hope this !

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