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At 27°C, the interfacial tension between A and B is 8.50 dyne/cm. If the surface tension of A is 27.53 dyne/cm and that ofB is 72.75 dynes/cm, predict whether B spreads on A by calculating a) Work of cohesion b) Work of adhesion and (c) the spreading coefficient of B on A.

At 27°C, the interfacial tension between A and B is 8.50 dyne/cm. If the surface tension of A is 27.53 dyne/cm and that ofB is 72.75 dynes/cm, predict whether B spreads on A by calculating a) Work of cohesion b) Work of adhesion and (c) the spreading coefficient of B on A.

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SUBJECT PHYSICAL CHEMISTRY

1. At 27°C, the interfacial tension between A and B is 8.50 dyne/cm. If the surface tension of A is 27.53 dyne/cm and that of B is 72.75 dynes/cm, predict whether B spreads on A by calculating a) Work of cohesion b) Work of adhesion and (c) the spreading coefficient of B on A.
Transcribed Image Text:1. At 27°C, the interfacial tension between A and B is 8.50 dyne/cm. If the surface tension of A is 27.53 dyne/cm and that of B is 72.75 dynes/cm, predict whether B spreads on A by calculating a) Work of cohesion b) Work of adhesion and (c) the spreading coefficient of B on A.
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