At 127°C, Hgl, undergoes a polymorphic change from the red to the yellow form. The enthalpy of transition is 1250 J mol·l, and the change in molar volume on transition is 5.4 cm? mol1, the red form being the less dense. Calculate the rate of change of transition temperature with pressure at 127°C.

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Physical chemistry Problem 1. The answer should be 1.73 x 10-6 K Pa-1. Thank you 

At 127°C, Hgl, undergoes a polymorphic change from the red to the yellow form. The enthalpy of
transition is 1250 J mol·l, and the change in molar volume on transition is 5.4 cm? mol1, the red form
being the less dense. Calculate the rate of change of transition temperature with pressure at 127°C.
Transcribed Image Text:At 127°C, Hgl, undergoes a polymorphic change from the red to the yellow form. The enthalpy of transition is 1250 J mol·l, and the change in molar volume on transition is 5.4 cm? mol1, the red form being the less dense. Calculate the rate of change of transition temperature with pressure at 127°C.
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