4. One of the following statements is false. Please select the statement AND identify what is false about it (and how to make it a true statement). a. An open system allows both mass and energy to cross the system boundary. b. For a one-component, single-phase system, you can specify two intensive thermodynamic variables according to Gibbs Phase Rule. c. The ideal gas law is an example of an equation of state. d. Internal energy is comprised solely of molecular-level kinetic energy (translational, rotational, vibrational)