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Zeroth law of thermodynamics: If two systems are in thermal equilibrium with a third system, they must be in thermal equilibrium with each other. This law helps define the notion of temperature.
At thermodynamic equilibrium the dynamic processes for changes in a system have reached a steady state (not changing with time) where temperature has stabilized to a constant, no heat is being exchanged, no work is occurring, composition is constant (reactants are being converted to products at the same rate that the products are converting back to the reactants), pressure is constant, if there is more than one phase, movement between the phases is balanced (for example evaporation and condensation are occurring at the same rate), and there are no concentration gradients.
In thermal equilibrium, and only in thermal equilibrium, entropy is constant.
because the earth and the sun is not in the thermal contact with each other that is why the earth & the sun is not in thermal equilibrium.
no
0 k
That is called the TEMPERATURE.
0 F
Mechanical energy concentrates on an object as a whole, and thermal energy concentrates on an object's actions. Additionally, Thermal energy depends on temperature and mechanical energy depends on kinetic and potential energy.
To be in thermal equilibrium, it would have to have the same temperature. (It isn't.)
They are in thermal equilibrium, not rotational equilibrium.
Consider 2 beakers of water, in one beaker, the temperature of water is above room temperature, and the other is below room temperature. They are left on a table (they are not in contact with each other), after some time, equilibrium is reached. Both beakers of water are at the same temperature. The two beakers become in thermal equilibrium with the surroundings, thus they are in thermal equilibrium with each other, and they are at the same temperature. I hope that it helps you...
if they have same temperature.
Thermal Equilibrium
Thermal equilibrium
Thermal equilibrium is established by the transfer of heat energy from the hotter object to the cooler object until both objects are at the same temperature.
Thermal Energy always transfer from the higher temperature to lower temperature until both bodies reach the same temperature or in thermal equilibrium with each other.