Thermodynamic Relations Summary
### First Law
$$Q=\Delta U+W$$
### Ideal Gas Equation
$$PV=nRT$$
### Internal Energy
$$U=\frac{f}{2}nRT$$
### Heat Capacity Relation
$$C_P-C_V=R$$
### Adiabatic Relation
$$PV^\gamma=constant$$
### Carnot Efficiency
$$\eta=1-\frac{T_C}{T_H}$$
### Entropy Change
$$\Delta S=\frac{Q_{rev}}{T}$$