Final answer:
Water is indeed a component of an Iced Chai Latte, both as ice and possibly within the chai concentrate. The ice melting aligns with the second law of thermodynamics, achieving thermal equilibrium within the beverage.
Step-by-step explanation:
Yes, water does come in an Iced Chai Latte as part of the ice and as a potential ingredient in the chai concentrate, depending on the recipe. In the context of the second law of thermodynamics, thermal equilibrium will occur in an Iced Chai Latte when the ice melts and reaches the same temperature as the surrounding liquid. This principle ensures that the temperature throughout the drink will eventually become uniform. In addition to the aspect of the ice melting, making water fit to drink is essential when considering beverages, but in the case of an Iced Chai Latte from a commercial establishment, the water used should already meet safety standards.