The first law of thermodynamics is a statement of conservation of

A. Heat

B. Momentum

C. Energy

D. Work

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  1. A gas mixture of three components is brought in contact with a dispersion of an organic phase in water.…
  2. A system is said to be at equilibrium, if the entropy of the system has reached __________ value.
  3. For a constant volume process
  4. Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity…
  5. Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance…
  6. Enthalpy 'H' is defined as
  7. Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water)…
  8. Which of the following liquid metals has the highest thermal conductivity?
  9. In an ideal gas mixture, fugacity of a species is equal to its
  10. What happens in a reversible adiabatic compression?
  11. __________ functions are exemplified by heat and work.
  12. Reduced pressure of a gas is the ratio of its
  13. Extensive properties of a thermodynamic system depend upon the __________ of the system.
  14. Pick out the wrong statement.
  15. If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…
  16. What is the degree of freedom for a system comprising liquid water equilibrium with its vapour?
  17. A gas performs the maximum work, when it expands
  18. Which of the following exemplifies an adiabatic process?
  19. Which of the following is not an intensive property?
  20. The equilibrium constant for a chemical reaction at two different temperatures is given by
  21. Degree of freedom of the system ice-watervapour will be
  22. A system undergoes a change from a given initial state to a given final state either by an irreversible…
  23. The internal energy of an incompressible fluid depends upon its
  24. What happens in a reversible adiabatic expansion process?
  25. For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions,…
  26. Pick out the wrong statement.
  27. In a turbine, the fluid expands almost
  28. The internal energy of an ideal gas is a function of its __________ only.
  29. The enthalpy change when ammonia gas is dissolved in water is called the heat of
  30. An isolated system can exchange __________ with its surroundings.