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19 July, 21:11

If a balloon containing 1,200 L of gas at 25°C and 760 mmHg pressure ascends to an altitude where the pressure is 380 mmHg and the temperature is 54°C, the volume will be: (Be sure to use the correct number of significant figures.)

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  1. 19 July, 22:15
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    The number of significant figures is 2.

    The formula to use is [p1*V1 / T1] = [p2*V2 / T2] = > V2 = p1*V1*T2 / [T1*p2]

    V1 = 1200 L

    T1 = 25 °C + 273.15 = 298.15 k

    p1 = 760 mmHg

    p2 = 380 mmHg

    T2 = 54° C + 273.15 = 327.15 k

    V2 = 2633.44 L = 2600 L (using 2 significant figures)
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