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2 June, 12:04

2. Is it possible for a balloon with an initial internal pressure equal to 250.0 kPa to naturally expand to four times its initial volume when the temperature remains constant and atmospheric pressure is 101.3 kPa?,

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  1. 2 June, 12:17
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    No

    Consider the formula: PV=nRT

    when one goes up, the other goes down because they are indirectly proportional

    240+101.3=341.3kPa absolute pressure.

    341.3 * V = constant

    expansion = Vfinal / Vinit = 341.3 / 240

    It is not enough.

    To get a four times expansion, we need both a weakening of the balloon material and an ambient pressure that is lower than atmospheric at sea leve
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