Gas Laws describe the relationships between the physical properties of gases. Avogadro's Law can be represented as

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The question asks about Avogadro's Law and how it can be represented. 
Option a: V1/T1 = V2/T2. This form is characteristic of Charles' Law (or Amontons’ form for constant pressure and amount), where volume is proportional to temperature at fixed amount and pressure. It does not express the relationship between volume and amount of gas, so it is not Avogadro’s Law.
Option b: V1n1 = V2n2. This equation incorrectly couples volume and moles; it would imply a nonstandard relationship where volume scales with the product of volume and moles in a way that doesn't reflect Avogadro’s principle. In short, this is not a correct representation of Avogadro’s Law.
Option c: V1/n1 = V2/n2. This is the correct representation of Avogadro’s Law: at fixed temperature and pressure, the volume is directly proportional to the number of gas particles, so the ratio V/n remains constant.
Option d: V1T1 = V2T2. This form incorrectly ties volume to temperature under conditions where Avogadro’s Law concerns the amount of substance; it resembles a misapplied combination of variables and does not express the V ∝ n relationship that Avogadro’s Law states.

MCD1170 Introductory Chemistry - Trimester 1 - 2025

Gas Laws describe the relationships between the physical properties of gases. Avogadro's Law can be represented as

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