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1 February, 08:25

A gas occupies 210 ml at - 73°c. to have the same gas occupy 360 ml: should the temperature be increased or decreased? what is the new temperature? k

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  1. 1 February, 11:48
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    The relation between volume and temperature is direct, this is the higher the temperature the higher larger the volume.

    Therefore, if you want that your gas occupies a larger volumen, you should increase the temperature, assuming other conditions (pressure and number of moles) remain unchanged.

    The new temperature may be calculated using the proportion:

    V1 / T1 = V2 / T2

    => T2 = V2 * T1 / V1

    T1 and T2 are in absolute degrees, so T1 = - 73 + 273.15 = 200.15 K

    => T2 = 360 ml * 200.15 K / 210 ml = 343

    Answer: the temperature should be increased to 343 K
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