Question

A substance has the following properties: AHfus = 20.0 kJ/mol AHvap = 10.0 kJ/mol Co (solid) = 60. J mol-- K-1 Cp (liquid) =

If the melting point of the substance is 70.°C, how much heat would be required to convert 1.0 mol of it from solid at 30.°C into liquid at 105°C?

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70 ct 700c Augwen! et substance be x x al x 2 x 3 x solid solid nieund squid 30°c 105°C Q = n x Cp (solid) XOT = 1.0 molx 60.

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