Considering the definition of Boyle's law, the correct answer is option 1. Decreasing the volume of a gas from 4.0 L to 2.0 L while keeping the moles the same.
Boyle's law is a law that allows studying the behavior of gases, and states that the pressure of a gas in a closed container is inversely proportional to the volume of the container, when the temperature is constant: if the pressure increases, the volume decreases , whereas if the pressure decreases, the volume increases.
Mathematically, Boyle's law says that the product of pressure and volume is constant:
P×V= k
So, in this case, if the pressure of a gas doubles, the volume should have decreased by half so that the constant product remains constant, that is, the inverse proportionality relationship maintains me.
Finally, the correct answer is option 1. Decreasing the volume of a gas from 4.0 L to 2.0 L while keeping the moles the same.
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