please anwer all the subquestions. thank you.  1. Air at 30°C db & 50% RH Solve for the following: a. RH b. DPT c. V d. h e. RH

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A: Solution to first three sub-parts as per our guidelines and as mentioned by the student:

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Thermodynamic Relations

Thermodynamics is the division of physics that deals with the transfer of any kind of energy, whether it be heat, temperature, or work, from one object to another.