Options:
- A. path of reaction
- B. initial state
- C. final state
- D. initial and final state
View Answer
D. initial and final state
Chemistry
CuSO4 + Zn?ZnSO4+Cu is___________________?
Options:
- A. Spontaneous reaction
- B. Non-spontaneous reaction
- C. Endothermic
- D. Exothermic
View Answer
A. Spontaneous reaction
Which one is not state function ________________?
Options:
- A. Internal energy
- B. Enthalpy
- C. Gibbs free energy
- D. Work
View Answer
D. Work
Total energy of a system is_________________?
Options:
- A. P.E + K.E
- B. P.E + heat energy
- C. K.E + heat energy
- D. P.E + mechanical energy
View Answer
A. P.E + K.E
If internal energy of the system is increased ____________________?
Options:
- A. Change in state of the system is increased
- B. Temperature of the ystem may rise
- C. Chemical reaction may take place
- D. All
View Answer
D. All
Unit of heat in SI system is________________?
Options:
- A. J
- B. KCaL
- C. Cal
- D. GJ
View Answer
A. J
A reaction has values of ?H and ?S which are both positive. The reaction __________________?
Options:
- A. Is spontaneous
- B. Spontaneity is temperature dependent
- C. Has an increasing free energy
- D. Is non-spontaneous
View Answer
D. Is non-spontaneous
________________ is study about energy of a chemical system ?
Options:
- A. thermochemistry
- B. thermodynamics
- C. chemical kinetics
- D. stoichiometry
View Answer
A. thermochemistry
The environment in which a system is studied is __________________?
Options:
- A. State function
- B. phase
- C. surrounding
- D. state
View Answer
C. surrounding
Which of the following has strongest intermolecular forces of attraction ?
Options:
- A. Hydrogen (H2)
- B. Chlorine (Cl2)
- C. lodine (I2)
- D. Methane (CH4)
View Answer
C. lodine (I2)