1. Which of the following is a form of potential energy?
a. Radiant energy
b. Thermal energy
c. Chemical energy
d. Electrical energy
2, Which one of the following is not the unit of energy?
a. Watt
b. Joule
c. Calorie
d. Erg
3. A well _ stopped thermos flask containing some ice cubes is an example of an:
a. Isolated system
b. Cyclic system
c. Closed system
d. Open system
4, The state of a thermodynamics system is described by its properties:
a. Atomic.
b. Macroscopic
c. Microscopic.
d. None of these
5. Which of the following variables are called state variables or state functions?
a. P
b. V
c. T
d. All of these
6. Work(w) is a path function, i.e, the amount of work done is dependent on the process. Is it a reversible process?
a. Zero
b. Smallest
c. Infinite
d. Greatest
7. According to the first law of thermodynamics, the internal energy of a/an is constant?
a. Open system
b. Isolated system
c. Closed system
d. Thermodynamic system
8. Change in the internal energy of the thermodynamic system is called heat of reaction at constant?
a. Temperature
b. Pressure
c. Vvolume
d. Bboth (a & c)
9. The heat flow under conditions is a direct measurement of delta H?
a. Isochoric
b. Isothermal
c. Isobaric
d. Adiabatic
10. Which of the following is an intensive property?
a. Volume
b, Enthalpy
c. Refractive index
d, Internal energy
11, which of the following is an extensive property?
a. Heat capacity
b. Molar heat capacity
c. Specific heat capacity
d. Both (b &c)
12. Which of the following heat changes is measured with help of bomb calorimeter?
a. Heat of neutralization
b. Heat of ionization
c. Heat of fusion
d. Heat of combustion
13. Which of the following describes the thermodynamic standard state of carbon?
a. Graphite
b. Diamond
c. Buckminsterfullerene
d. Charcoal
14. Standard enthalpy of fusion is the amount of heat required to melt one of a solid at its melting point and std pressure of one bar?
a. Gram
b. Kilogram
c. Mole
d. Molecule
15, the coefficient in a balanced thermochemical equation refer to a number of reactant & product involved in the reaction?
a. Moles.
b. Molecules
c. Volume
d. All of these