6. The unit of temperature in S.I units is A. Celsius B. Fahrenheit C. Rankine D. Kelvin 7. A closed system is one in which A. mass does not cross boundaries of the system, though energy may do so B. mass crosses the boundary but not energy C. thermodynamic reactions take place D. both energy and mass cross the boundaries of the system 8. What is the name of the following statement: "When two systems are in thermal equilibrium with a third system, then they are in thermal equilibrium with each other"? A. First Law of Thermodynamics B. Second Law of Thermodynamics C. Third Law of Thermodynamics D. Zeroth Law of Thermodynamics 9. The average molecular kinetic energy of a gas depends on: A. Pressure B. Volume C. Temperature D. Number of moles 10. Which of the following processes could NOT represented by this graph? A. Isobaric B. Isothermal C. Adiabatic D. None of the above

6. The unit of temperature in S.I units is A. Celsius B. Fahrenheit C. Rankine D. Kelvin 7. A closed system is one in which A. mass does not cross boundaries of the system, though energy may do so B. mass crosses the boundary but not energy C. thermodynamic reactions take place D. both energy and mass cross the boundaries of the system 8. What is the name of the following statement: "When two systems are in thermal equilibrium with a third system, then they are in thermal equilibrium with each other"? A. First Law of Thermodynamics B. Second Law of Thermodynamics C. Third Law of Thermodynamics D. Zeroth Law of Thermodynamics 9. The average molecular kinetic energy of a gas depends on: A. Pressure B. Volume C. Temperature D. Number of moles 10. Which of the following processes could NOT represented by this graph? A. Isobaric B. Isothermal C. Adiabatic D. None of the above