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17 November, 12:22

24.568 cm of chlorine at 25° C will occupy what volume

at - 25°C while the pressure remains constant?

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Answers (1)
  1. 17 November, 12:45
    0
    20.446cm3

    Explanation:

    The following were obtained from the question given:

    V1 (initial volume) = 24.568 cm3

    T1 (initial temperature) = 25°C = 25 + 273 = 298K

    T2 (final temperature) = - 25°C = - 25 + 273 = 248K

    V2 (final volume) = ?

    Since the pressure is constant, the gas is obeying Charles' law. With the Charles' law equation V1/T1 = V2/T2, we can easily calculate the final volume as follow:

    V1/T1 = V2/T2

    24.568/298 = V2/248

    Cross multiply to express in linear form as shown below:

    298 x V2 = 24.568 x 248

    Divide both side by 298

    V2 = (24.568 x 248) / 298

    V2 = 20.446cm3

    From the calculations made above, the volume of the gas at - 25°C is 20.446cm3
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