What happens when a solution reaches equilibrium?

A reaction that has reached equilibrium appears to be doing nothing. But at the molecular level, equilibrium is a dynamic state of equality, where the molecules continue to react at equal but opposite rates. ... Initially there is no water vapor, so only the forward reaction occurs.

It should be at the center of any map going vertically: the prime meridian, as it passes through greenwich,  england, is considered 0 degrees longitude