Helium ballon is filled iwth a volume of 2.88 x 10 to the 3 power at 722 mmHg and 19C. When the ballon is released, it rises to an altituse where the pressuare and temperature are 339mmHg and -55C, respectively. What is the volume of the balloon?

 The volume of the balloon is

Explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

where,

= initial pressure of gas = 722 mm Hg

= final pressure of gas = 339 mm Hg

= initial volume of gas =

= final volume of gas = ?

= initial temperature of gas =

= final temperature of gas =

Now put all the given values in the above equation, we get:

Thus the volume of the balloon is

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explanation: