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Liquid State question

2020 · Q44
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Liquid State question

2020 · Q44

IIT JAMChemistryLiquid StateNumerical+1 / −0
A film of stearic acid partially covers the water surface in a container. The work needed to decrease this coverage by 1 cm 2^22 is 25.0×10−725.0 \times 10^{-7}25.0×10−7 J. The surface tension (in N/m) of the film is ‾\underline{\hspace{2cm}}​ (Round off to three decimal places) (Surface tension of pure water is 0.072 N/m)
Numerical answer
View written solutionFree

Correct answer: 0.040, 0.050

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