Which statements are FALSE with regards to surface tension and the definition below?

(There may be more than one answer)

Question

Which statements are FALSE with regards to surface tension and the definition below?

(There may be more than one answer)

BlackTom AI · Accepted Answer

Question focus: identifying statements that are FALSE about surface tension and the provided definition. 
Option 1: 'The surface tension is greater for systems with weaker intermolecular attractive forces.' This is false because surface tension typically increases with stronger cohesive (attractive) forces at the interface; weaker intermolecular attractions lead to lower surface tension. 
Option 2: 'The surface tension can be thought of as the amount of energy required to increase the surface area by 1 meter square.' This is true. Surface tension is the minimal energy required to create or enlarge a unit area of surface, so it corresponds to energy per unit area (often expressed as gamma, J/m^2). 
Option 3: 'The units of surface tension relate to amount of force for a given surface area.' This statement is misleading and generally considered false in its given form. Surface tension is commonly expressed in N/m (force per length) or equivalently in J/m^2 (energy per area); it is not simply “force per area.” Treating it as a measure of force for a specific surface area mixes two related but distinct interpretations (force per length vs energy per area). 
Option 4: 'The surface tension arises because of a deficiency of attractive intermolecular forces for molecules that are on a surface compared with molecules not on a surface.' This is true conceptually: molecules at the surface experience fewer neighboring interactions, leading to a net inward pull and a surface free energy that manifests as surface tension. 
Option 5: 'The Greek letter for surface tension is gamma.' This is true; gamma is the standard symbol used for surface tension.

FOODSCI 200 Quiz 3 "do at home"

Which statements are FALSE with regards to surface tension and the definition below? (There may be more than one answer)

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