________________ is study about energy of a chemical system ?
A. thermochemistry
B. thermodynamics
C. chemical kinetics
D. stoichiometry
Thermochemistry
Unit of heat in SI system is________________?
Unit of heat in SI system is________________?
A. J
B. KCaL
C. Cal
D. GJ
Total energy of a system is_________________?
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
CuSO4 + Zn?ZnSO4+Cu is___________________?
CuSO4 + Zn?ZnSO4+Cu is___________________?
A. Spontaneous reaction
B. Non-spontaneous reaction
C. Endothermic
D. Exothermic
State function the macroscopic property of system depends upon________________?
State function the macroscopic property of system depends upon________________?
A. path of reaction
B. initial state
C. final state
D. initial and final state
When enthalpy of reactants is higher than product then reaction will be_________________?
When enthalpy of reactants is higher than product then reaction will be_________________?
A. endothermic
B. spontaneous
C. non-spontaneous
D. exothermic
Enthalpy of combustion for food fuel and other compounds can be measured accurately by________________?
Enthalpy of combustion for food fuel and other compounds can be measured accurately by________________?
A. glass calorimeter
B. bomb calorimeter
C. thermometer
D. manometer
Enthalpy change can be_________________?
Enthalpy change can be_________________?
A. calculated by Hess law
B. can be measured by calorimeter
C. both A and B
D. none
Two fundamental ways to transfer energy are________________?
Two fundamental ways to transfer energy are________________?
A. pressure and temperature
B. pressure and volume
C. heat and work
D. heat and volume
Most of thermodynamic parameters are_________________?
Most of thermodynamic parameters are_________________?
A. system
B. surrounding
C. phase
D. state functions