A balloon at room temperature (22.5°C) has a volume of 75.5 mL. If that balloon is...

A balloon at room temperature (22.5°C) has a volume of 75.5 mL. If that balloon is placed in a refrigerator where the temperature is 7.1 °C, what is the new volume of the balloon? (Assume constant pressure)

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Expert Solution

We assume the air inside the balloon behaves like an ideal gas. Therefore, for ideal gas we know,

Where ,

Now, no. of moles of gas are constant inside the balloon. The pressure is constant (given). Therefore,

Therefore, if at and temperatures volume of the gas are and , respectively, then we can write,

Now, itf we put,

Therefore the final volume (V₂) of the balloon at temperature 7.1 °C will be,

queen_honey_blossom answered 1 year ago

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