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.Management Sciences
Category: Thermochemistry
Anything which depends upon initial and final state of a system is_______________?
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A. environment
B. surrounding
C. state function
D. enthalpy
Pumping of water uphill is_______________?
A. spontaneous process
B. non-spontaneous process
C. irreversible process
D. reversible process
CuSO4 + Zn?ZnSO4+Cu is___________________?
A. Spontaneous reaction
B. Non-spontaneous reaction
C. Endothermic
D. Exothermic
Which one of the following is a state function ________________?
A. pressure
B. temperature
C. enthalpy
D. all of the above
Reaction in which heat evolves is called ____________________?
A. endothermic
B. spontaneous
C. non-spontaneous
D. exothermic
Total energy of a system is_________________?
A. P.E + K.E
B. P.E + heat energy
C. K.E + heat energy
D. P.E + mechanical energy
________________ is study about energy of a chemical system ?
A. thermochemistry
B. thermodynamics
C. chemical kinetics
D. stoichiometry
Enthalpy change can be_________________?
A. calculated by Hess law
B. can be measured by calorimeter
C. both A and B
D. none
A reaction has values of ?H and ?S which are both positive. The reaction __________________?
A. Is spontaneous
B. Spontaneity is temperature dependent
C. Has an increasing free energy
D. Is non-spontaneous
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