What effect does stirring this mixture acid added to a beaker containing crushed marble have on the system?

Stirring a mixture of acid added to crushed marble enhances the reaction between the acid and the calcium carbonate in the marble. This agitation increases the surface area exposed to the acid, facilitating more effective contact and accelerating the rate of reaction. As a result, carbon dioxide gas is produced, which may lead to bubbling or fizzing in the solution. Overall, stirring helps to achieve a more uniform reaction and faster dissolution of the marble.