On a summer day in Phoenix, Arizona, the inside room temperature is maintained at 68° F while the outdoor air temperature is a sizzling 110° F . What is the outdoor– indoor temperature difference in (a) degrees Fahrenheit, (b) degrees Rankine, (c) degrees Celsius, and (d) kelvin? Is one degree temperature difference in Celsius equal to one temperature difference in kelvin, and is one degree temperature difference in Fahrenheit equal to one degree temperature difference in Rankine? If so, why?

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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.