When a sealed Thermos bottle full of hot coffee is shaken what are the changes if any in temperature b internal energy coffee?

When a sealed Thermos bottle full of hot coffee is shaken, there are no significant changes in its temperature or internal energy. Here's why:

Temperature:

The Thermos bottle is designed to provide excellent insulation, which means it minimizes heat transfer between the inside and outside of the bottle. Shaking the bottle does not significantly alter this insulation property. As a result, the temperature of the coffee inside the bottle remains relatively stable and does not experience any substantial changes.

Internal Energy:

Internal energy refers to the total energy contained within a system, including the kinetic energy of molecules and potential energy stored within the system. Shaking the Thermos bottle causes the coffee molecules to move more vigorously, increasing their kinetic energy. However, this increase in kinetic energy is negligible and does not lead to a noticeable change in the overall internal energy of the coffee.

In summary, shaking a sealed Thermos bottle full of hot coffee does not cause any significant changes in its temperature or internal energy. The insulation provided by the Thermos bottle effectively maintains the initial temperature and internal energy of the coffee.