3. A 3 cubic meter empty tank is filled with air from a line at 77°C, 15 psi until the pressure in the tank is 15 psi. The tank is well insulated and there is no heat transfer with the environment. a. Find h2, the final specific enthalpy b. T2, the final temperature.

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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.