Which gas law is applied when volume, temperature, and pressure are all accounted for in a reaction?

The Ideal Gas Law is the appropriate choice because it encompasses the relationship between pressure, volume, temperature, and the number of moles of a gas. This law is expressed by the equation PV = nRT, where P stands for pressure, V for volume, n for the number of moles of gas, R is the ideal gas constant, and T denotes temperature.

In a scenario where you need to account for all three variables—volume, temperature, and pressure—along with moles, the Ideal Gas Law provides a comprehensive framework. It is particularly useful in calculations involving real-life gas behavior under various conditions, allowing predictions and understanding of how gases will respond to changes in temperature and pressure while occupying a specific volume.

Other gas laws, such as Boyle's Law, Charles's Law, and Dalton's Law, are more specific in their applications. Boyle's Law relates pressure and volume at constant temperature, Charles's Law connects volume and temperature at constant pressure, while Dalton's Law deals with the partial pressures of mixtures of gases. Therefore, they do not account for the interdependent nature of all four variables simultaneously, distinguishing the Ideal Gas Law as the most fitting choice in this context.