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Asked by g_archanasharma | 08 Feb, 2019, 17:48: PM
answered-by-expert Expert Answer
Given:
 
ΔSvap = 75 J/K
 
ΔH = 30 KJ/mol
 
     = 30000 J/mol
 
At boiling point,
 
liquid space leftwards harpoon over rightwards harpoon space vapour is in equilibrium,
 
ΔG = 0
 
We have,
 
ΔG = ΔH -TΔS
 
straight T equals fraction numerator increment straight H over denominator increment straight S end fraction

space space space equals 30000 over 75

space space equals space 400 space straight K
 
The boiling point of the liquid is 400 K.
 
Answered by Varsha | 08 Feb, 2019, 18:51: PM
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