Final answer:
Gay-Lussac's Law describes the proportional relationship between gas pressure and temperature, whereas the Law of Conservation of Mass states that mass cannot be created or destroyed, making the comparison false.
Step-by-step explanation:
The statement that Gay-Lussac's Law is similar to the Law of Conservation of Mass, but in terms of gases is false. Gay-Lussac's Law states that the pressure of a given amount of gas held at constant volume is directly proportional to its absolute temperature (in kelvins).
On the other hand, the Law of Conservation of Mass indicates that mass cannot be created or destroyed in a chemical reaction. While both laws apply to gas behaviors, they describe completely different phenomena: one is about the relation between pressure and temperature of gases (Gay-Lussac's Law), and the other is about mass being conserved in reactions (Law of Conservation of Mass).